:root {
  /* ===== InfraTree Design System v1 — canonical tokens ===== */
  /* Neutrals: green-tinted cool slate (chosen, not defaulted). */
  --it-bg: #f5f8f5;
  --it-surface: #ffffff;
  --it-surface-2: #eef2ee;
  --it-surface-code: #eaf0ec;
  --it-ink: #14201a;
  --it-ink-2: #4c584f;
  --it-ink-3: #8b948c;
  --it-border: #dce3dd;
  --it-border-strong: #c4ccc5;
  /* Brand green (unified web #15803d + app #0D8F43). */
  --it-primary: #15803d;
  --it-primary-strong: #166534;
  --it-primary-soft: #e6f2ea;
  --it-on-primary: #ffffff;
  --it-primary-text: #15803d;
  /* Secondary accent — used sparingly to avoid a monotone green UI. */
  --it-teal: #0f766e;
  --it-teal-soft: #e1f1ef;
  /* Semantic status — kept separate from the accent. */
  --it-success: #15803d;
  --it-success-soft: #e6f2ea;
  --it-warning: #b45309;
  --it-warning-soft: #fbeedd;
  --it-danger: #c62828;
  --it-danger-soft: #fbeaea;
  /* Pro / premium — restrained gold. */
  --it-pro: #8a6417;
  --it-pro-soft: #f6eeda;
  --it-pro-line: #d8c187;
  /* Radius (cards <= 8px), shadows (shallow), spacing (4px grid). */
  --it-radius-sm: 6px;
  --it-radius: 8px;
  --it-radius-pill: 999px;
  --it-shadow-sm: 0 1px 2px rgba(20, 32, 26, 0.06), 0 1px 1px rgba(20, 32, 26, 0.04);
  --it-shadow-md: 0 4px 12px rgba(20, 32, 26, 0.08);
  --it-shadow-lg: 0 12px 32px rgba(20, 32, 26, 0.12);
  --it-space-1: 4px;
  --it-space-2: 8px;
  --it-space-3: 12px;
  --it-space-4: 16px;
  --it-space-5: 24px;
  --it-space-6: 32px;
  --it-space-7: 48px;
  --it-font-body:
    "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", "Segoe UI", system-ui,
    sans-serif;
  --it-font-mono:
    "SFMono-Regular", "JetBrains Mono", "D2Coding", Consolas, "Courier New", monospace;

  /* ===== Legacy aliases — existing rules keep working, now on the new system.
     Per-page steps replace hardcoded radii/colors with these tokens. ===== */
  --bg: var(--it-bg);
  --bg-soft: var(--it-surface-2);
  --bg-tint: var(--it-primary-soft);
  --card: var(--it-surface);
  --card-strong: var(--it-surface);
  --card-muted: var(--it-surface-2);
  --ink: var(--it-ink);
  --ink-soft: var(--it-ink-2);
  --ink-faint: var(--it-ink-3);
  --line: var(--it-border);
  --line-strong: var(--it-border-strong);
  --primary: var(--it-primary);
  --primary-strong: var(--it-primary-strong);
  --primary-soft: var(--it-primary-soft);
  --accent: var(--it-primary-soft);
  --teal: var(--it-teal);
  --amber: var(--it-warning);
  --rose: var(--it-danger);
  --shadow-sm: var(--it-shadow-sm);
  --shadow-md: var(--it-shadow-md);
  --shadow-lg: var(--it-shadow-lg);
  --radius-xl: 12px;
  --radius-lg: 10px;
  --radius-md: 8px;
  --radius-sm: 8px;
  --max-width: 1240px;
  --font-body: var(--it-font-body);
  --font-display:
    "Bahnschrift", "Segoe UI Variable Display", "Malgun Gothic", "Apple SD Gothic Neo",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--font-body);
  /* Flat, calm engineering-console ground (decorative gradients removed). */
  background: var(--bg);
  overflow-wrap: normal;
  word-break: normal;
}

body::before {
  content: none;
}

.hero-copy h1,
.admin-hero-card h1,
.section-heading h2,
.value-card h3,
.recommend-item h3,
.problem-card-main h3,
.detail-card h2,
.detail-card h3,
.hero-panel-head h2,
.admin-auth-card h2,
.hero-description,
.form-note,
.value-card p,
.recommend-item p,
.problem-card-main p {
  overflow-wrap: anywhere;
  word-break: keep-all;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  border: 0;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 2rem;
}

.page-shell-detail {
  width: min(1680px, calc(100% - 2.5rem));
}

.page-main {
  display: grid;
  gap: 1.25rem;
}

.topbar {
  position: sticky;
  top: 0.75rem;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin: 1rem 0 1.25rem;
  padding: 1rem 1.2rem;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(22px);
}

.page-shell-subpage .topbar {
  gap: 0.9rem;
  margin: 0.8rem 0 1rem;
  padding: 0.85rem 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: var(--it-radius);
  background: linear-gradient(135deg, #14532d 0%, #16a34a 100%);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-text {
  display: grid;
  gap: 0.16rem;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.brand-text small {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 0.75rem 1.15rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.page-shell-subpage .nav {
  gap: 0.45rem 0.65rem;
  font-size: 0.9rem;
}

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.3rem;
  padding: 0 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 180ms ease;
}

.page-shell-subpage .nav a {
  min-height: 2.1rem;
  padding: 0 0.68rem;
}

.topbar-utility {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
}

.topbar-locale-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.18rem;
  border: 1px solid rgba(21, 128, 61, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.topbar-locale-switch .account-chip {
  min-height: 1.9rem;
  padding: 0 0.62rem;
  border-color: transparent;
  background: transparent;
  box-shadow: none;
  font-size: 0.78rem;
}

.topbar-locale-switch .account-chip.is-active {
  background: rgba(21, 128, 61, 0.12);
  box-shadow: inset 0 0 0 1px rgba(21, 128, 61, 0.2);
}

  .topbar-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    min-height: 2.3rem;
    padding: 0 0.82rem;
    border: 1px solid rgba(21, 128, 61, 0.2);
    border-radius: 999px;
    appearance: none;
    -webkit-appearance: none;
    background: rgba(220, 252, 231, 0.92);
    box-shadow: var(--shadow-xs);
    color: var(--primary-strong);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
}

.topbar-menu-toggle:hover,
.topbar-menu-toggle:focus-visible {
  color: var(--brand-strong);
  border-color: rgba(21, 128, 61, 0.28);
}

.topbar-profile-menu {
  position: relative;
}

.account-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.3rem;
  padding: 0 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(21, 128, 61, 0.18);
  background: rgba(21, 128, 61, 0.08);
  color: var(--primary-strong);
  font-size: 0.92rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgba(21, 128, 61, 0.06);
}

.account-chip:hover,
.account-chip:focus-visible {
  color: var(--primary-strong);
  background: rgba(21, 128, 61, 0.12);
}

.account-chip[aria-current="page"] {
  background: rgba(21, 128, 61, 0.16);
  box-shadow: inset 0 0 0 1px rgba(21, 128, 61, 0.22);
}

.mobile-nav-drawer,
.mobile-nav-drawer-head,
.mobile-nav-drawer-intro,
.mobile-nav-drawer-current,
.mobile-nav-drawer-scroll,
.mobile-nav-drawer-section,
.mobile-nav-drawer-list,
.mobile-nav-drawer-account,
.mobile-nav-drawer-account-actions {
  display: none;
}

.mobile-nav-drawer[hidden] {
  display: none !important;
}

.topbar-profile-toggle {
  cursor: pointer;
}

.topbar-profile-panel {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  min-width: 220px;
  display: none;
  gap: 0.8rem;
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  z-index: 20;
}

.topbar-profile-menu.is-open .topbar-profile-panel {
  display: grid;
}

.topbar-profile-head {
  display: grid;
  gap: 0.18rem;
}

.topbar-profile-head strong {
  color: var(--ink);
  font-size: 0.98rem;
}

.topbar-profile-head small {
  color: var(--muted);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.topbar-profile-links {
  display: grid;
  gap: 0.35rem;
}

.topbar-profile-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0 0.7rem;
  border-radius: 14px;
  color: var(--ink);
  background: rgba(15, 23, 42, 0.04);
}

.topbar-profile-links a:hover,
.topbar-profile-links a:focus-visible {
  color: var(--primary-strong);
  background: rgba(21, 128, 61, 0.08);
}

.topbar-profile-logout {
  width: 100%;
  justify-content: center;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--primary-strong);
}

.nav a[aria-current="page"] {
  color: var(--primary-strong);
  background: rgba(21, 128, 61, 0.08);
  box-shadow: inset 0 0 0 1px rgba(21, 128, 61, 0.18);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 1.25rem;
  align-items: stretch;
}

.page-shell-subpage .page-main {
  gap: 1rem;
}

.page-shell-subpage .hero {
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.82fr);
}

.page-shell-subpage .hero-copy {
  padding: 2.2rem;
}

.page-shell-subpage .hero-copy h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  line-height: 1.05;
}

.page-shell-subpage .hero-description {
  max-width: 68ch;
}

.page-shell-subpage .hero-panel {
  padding: 1.6rem;
}

.page-shell-subpage .hero-panel-head h2 {
  font-size: 1.2rem;
}

.page-shell-subpage .hero-signal-card {
  padding: 1rem;
}

.page-shell-landing .hero-copy h1 {
  font-size: clamp(2.5rem, 4.8vw, 4.2rem);
}

.hero-copy,
.hero-panel,
.section,
.stats-strip,
.detail-hero-panel,
.admin-hero-card,
.admin-auth-card,
.footer {
  animation: rise-in 620ms ease both;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-copy {
  padding: 2.8rem;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.82)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.82), rgba(255, 255, 255, 0));
  box-shadow: var(--shadow-md);
}

.hero-copy h1,
.section h2,
.value-card h3,
.audience-card h3,
.track-card h3,
.workflow-card h3,
.problem-card h3,
.detail-card h2,
.admin-hero-card h1 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.hero-copy h1 {
  /* Design System v1: calmer hero title (was up to 4.9rem / ~78px). */
  font-size: clamp(1.9rem, 1rem + 2.4vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.hero-description,
.section-heading p:last-child,
.value-card p,
.audience-card p,
.track-card p,
.workflow-card p,
.form-note,
.detail-description,
.detail-card p,
.admin-hero-card p,
.admin-card-head p,
.admin-copy-block p,
.admin-card-grid p,
.footer {
  color: var(--ink-soft);
  line-height: 1.72;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.hero-filter-hint {
  flex: 1 1 100%;
  margin: -0.15rem 0 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.6;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%);
  color: #ffffff;
  box-shadow: 0 14px 32px rgba(22, 163, 74, 0.18);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
}

.button-ghost {
  border-color: rgba(21, 128, 61, 0.18);
  background: rgba(21, 128, 61, 0.04);
  color: var(--primary-strong);
  box-shadow: none;
}

.button-block {
  width: 100%;
}

.button-small {
  min-height: 2.7rem;
  padding: 0 1rem;
  font-size: 0.92rem;
}

.hero-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.hero-mini-card {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.76);
}

.hero-mini-card strong,
.stats-card strong,
.hero-signal-card strong,
.admin-metric-card strong {
  font-family: var(--font-display);
}

.hero-mini-card strong {
  font-size: 1.55rem;
}

.hero-mini-card span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.quick-intent-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.quick-intent-card {
  display: grid;
  gap: 0.9rem;
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.86)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.4), transparent 72%);
  box-shadow: var(--shadow-sm);
}

.quick-intent-card span:first-child {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.1);
  color: var(--primary-strong);
  font-weight: 800;
}

.quick-intent-card h3,
.quick-intent-card p {
  margin: 0;
}

.quick-intent-card p {
  color: var(--ink-soft);
}

.learning-quick-card {
  min-height: 100%;
}

.learning-quick-card .button {
  margin-top: auto;
}

.hero-points,
.signal-bullets,
.admin-hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
  list-style: none;
}

.hero-points {
  margin: 1.5rem 0 0;
}

.hero-points li,
.signal-bullets li,
.admin-hero-points span {
  display: inline-flex;
  align-items: center;
  min-height: 2.55rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-soft);
}

.hero-panel {
  display: grid;
  gap: 1rem;
  padding: 1.35rem;
  border: 1px solid var(--it-border);
  border-radius: var(--it-radius);
  background: var(--it-surface);
  box-shadow: var(--it-shadow-sm);
}

.hero-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.hero-panel-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.55rem;
}

.status-pill,
.problem-chip,
.problem-focus-pill,
.problem-rank,
.topic-pill,
.audience-badge,
.track-badge,
.plan-tier,
.problem-category,
.problem-tier,
.problem-track,
.problem-format,
.problem-duration,
.problem-level-text {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.82rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  max-width: 100%;
  min-width: 0;
  flex: 0 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  overflow-wrap: normal;
  word-break: keep-all;
}

.status-pill {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.hero-signal-grid,
.admin-metrics-grid {
  display: grid;
  gap: 0.9rem;
}

.hero-signal-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-signal-card {
  display: grid;
  gap: 0.45rem;
  min-height: 9.5rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: var(--it-surface);
}

.hero-signal-card-strong {
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.12), rgba(255, 255, 255, 0.92));
}

.hero-signal-card span,
.hero-track-rail-head span {
  color: var(--ink-soft);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-signal-card strong {
  font-size: 2rem;
}

.hero-signal-card small {
  color: var(--ink-soft);
  line-height: 1.62;
}

.hero-track-rail {
  display: grid;
  gap: 0.85rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(248, 250, 248, 0.94);
}

.hero-track-rail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hero-track-rail-head strong {
  font-size: 1rem;
}

.hero-track-list {
  display: grid;
  gap: 0.7rem;
}

.hero-track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.9);
}

.hero-track-item strong {
  display: block;
  font-size: 0.98rem;
}

.hero-track-item span {
  color: var(--ink-soft);
  font-size: 0.86rem;
}

.hero-role-resume {
  margin-top: 0.25rem;
}

.hero-role-resume-card {
  display: grid;
  gap: 0.85rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.92);
}

.hero-role-resume-card.family-role {
  background: linear-gradient(135deg, rgba(220, 252, 231, 0.55), rgba(255, 255, 255, 0.94));
}

.hero-role-resume-card.family-scenario {
  background: linear-gradient(135deg, rgba(255, 237, 213, 0.62), rgba(255, 255, 255, 0.94));
}

.hero-role-resume-card.family-specialist {
  background: linear-gradient(135deg, rgba(219, 234, 254, 0.62), rgba(255, 255, 255, 0.94));
}

.hero-role-resume-copy {
  display: grid;
  gap: 0.45rem;
}

.hero-role-resume-copy strong {
  color: var(--ink);
  font-size: 0.98rem;
}

.hero-role-resume-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.58;
}

.hero-role-resume-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.hero-role-resume-topics span {
  display: inline-flex;
  align-items: center;
  min-height: 1.85rem;
  padding: 0 0.68rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
}

.hero-role-resume-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.hero-role-guide-link {
  color: var(--primary-strong);
  font-size: 0.84rem;
  font-weight: 700;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stats-card,
.section,
.detail-hero-panel,
.detail-card,
.admin-hero-card,
.admin-auth-card,
.admin-card,
.admin-metric-card {
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-md);
}

.stats-card,
.section,
.detail-hero-panel,
.detail-card,
.admin-hero-card,
.admin-auth-card,
.admin-card,
.admin-metric-card,
.form-card,
.intake-copy {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.84)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.18), transparent 65%);
  backdrop-filter: blur(18px);
}

.stats-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem;
  border-radius: var(--it-radius);
}

.stats-card strong {
  font-size: 1.6rem;
}

.stats-card span {
  color: var(--ink-soft);
}

.section,
.detail-hero-panel {
  padding: 2.05rem;
  border-radius: var(--radius-xl);
}

.section-soft {
  background:
    linear-gradient(180deg, rgba(248, 250, 248, 0.94), rgba(255, 255, 255, 0.82)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.36), transparent 70%);
}

.section-compact {
  padding: 1.55rem;
}

.section-compact .section-heading {
  gap: 0.9rem;
  align-items: start;
}

.section-compact .section-heading p:last-child {
  max-width: 36rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(260px, 0.78fr);
  gap: 1.25rem;
  align-items: end;
}

.section-heading p:last-child {
  max-width: 42rem;
  margin: 0;
}

.section-heading-compact {
  margin-top: 1.5rem;
}

.hub-grid-block + .hub-grid-block {
  margin-top: 2rem;
}

.section h2,
.detail-card h2,
.admin-auth-card h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.category-overview-grid,
.value-grid,
.audience-grid,
.track-grid,
.plan-grid,
.workflow-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.65rem;
}

.category-overview-grid {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  align-items: stretch;
}

.category-card,
.value-card,
.audience-card,
.track-card,
.workflow-card,
.plan-card {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-sm);
}

.category-card,
.value-card,
.audience-card,
.track-card,
.workflow-card,
.plan-card,
.recommend-card,
.recommend-item,
.social-auth-card,
.admin-card,
.form-card {
  min-height: 100%;
}

.category-card {
  display: grid;
  gap: 0.9rem;
}

.category-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.category-card-icon {
  display: grid;
  place-items: center;
  width: 2.85rem;
  height: 2.85rem;
  border-radius: var(--it-radius);
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-weight: 800;
}

.category-card-count {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 700;
}

.category-card h3 {
  margin: 0;
  font-size: 1.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.category-card p,
.category-card ul,
.plan-card p,
.plan-card ul {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

.category-card p,
.value-card p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.category-card-bullets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.value-card h3,
.audience-card h3,
.track-card h3,
.workflow-card h3,
.plan-card h3 {
  font-size: 1.18rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.value-card p,
.audience-card p,
.track-card p,
.workflow-card p,
.plan-card p {
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.value-card-kicker,
.value-card-note {
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.58;
}

.value-card-kicker {
  color: var(--primary-strong);
  font-weight: 700;
}

.category-card ul {
  padding-left: 1rem;
}

.category-card-accent {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  width: fit-content;
  padding: 0 0.72rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.category-card-security {
  border-color: rgba(15, 23, 42, 0.14);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.88)),
    linear-gradient(135deg, rgba(15, 23, 42, 0.08), rgba(20, 184, 166, 0.1));
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.category-card-security .category-card-icon {
  background: rgba(15, 23, 42, 0.92);
  color: #ecfeff;
}

.board-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px) minmax(180px, 220px);
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.security-filter-bar {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.8rem;
}

.security-filter-bar:empty {
  display: none;
}

.security-filter-copy {
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 800;
}

.security-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.learning-role-family-filters {
  margin-top: 1rem;
}

.learning-role-family-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  min-height: 1.4rem;
  padding: 0 0.38rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  color: inherit;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.security-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.45rem;
  padding: 0 0.82rem;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: #0f172a;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.security-filter-chip:hover,
.security-filter-chip:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(20, 184, 166, 0.38);
}

.security-filter-chip.is-active {
  border-color: rgba(15, 23, 42, 0.22);
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(22, 163, 74, 0.9));
  color: #f8fafc;
}

.learning-role-family-chip.family-role.is-active {
  border-color: rgba(21, 128, 61, 0.28);
  background: linear-gradient(135deg, rgba(21, 128, 61, 0.92), rgba(34, 197, 94, 0.88));
}

.learning-role-family-chip.family-scenario.is-active {
  border-color: rgba(180, 83, 9, 0.28);
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.92), rgba(249, 115, 22, 0.88));
}

.learning-role-family-chip.family-specialist.is-active {
  border-color: rgba(30, 64, 175, 0.28);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.92), rgba(59, 130, 246, 0.88));
}

.learning-role-family-chip.is-active .learning-role-family-icon {
  background: rgba(255, 255, 255, 0.16);
}

.level-distribution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 0.55rem;
  margin-top: 0.8rem;
}

.level-distribution-card {
  padding: 0.7rem 0.8rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.86);
}

.level-distribution-card strong {
  display: block;
  color: var(--ink);
  font-size: 0.88rem;
}

.level-distribution-card span {
  display: block;
  margin-top: 0.2rem;
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.level-distribution-card.is-active {
  border-color: rgba(22, 163, 74, 0.28);
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.12), rgba(220, 252, 231, 0.72));
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tab-button {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink-soft);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.tab-button:hover,
.tab-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(22, 163, 74, 0.3);
}

.tab-button.is-active {
  border-color: rgba(22, 163, 74, 0.28);
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.12), rgba(220, 252, 231, 0.72));
  color: var(--primary-strong);
}

.tab-button b {
  font-family: var(--font-display);
  font-size: 0.92rem;
}

.search-field,
.field {
  display: grid;
  gap: 0.45rem;
}

.search-field span,
.field span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.search-field input,
.search-field select,
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.2rem;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field textarea {
  min-height: auto;
  padding: 0.95rem 1rem;
  resize: vertical;
}

.search-field input:focus,
.search-field select:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: rgba(22, 163, 74, 0.42);
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
}

.board-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.9rem;
  color: var(--ink-soft);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.legend-dot {
  display: inline-block;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
}

.legend-dot-beginner {
  background: var(--primary);
}

.legend-dot-intermediate {
  background: var(--amber);
}

.legend-dot-advanced {
  background: var(--rose);
}

.problem-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.problem-list {
  grid-template-columns: 1fr;
}

.library-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  margin-top: 1.25rem;
}

.page-shell-subpage #library {
  order: 2;
}

.page-shell-subpage #recommend {
  order: 3;
}

.page-shell-subpage #categories {
  order: 4;
}

.page-shell-library .hero {
  gap: 1rem;
}

.page-shell-library .hero-copy,
.page-shell-library .hero-panel {
  padding: 1.4rem;
}

.page-shell-library .hero-signal-grid,
.page-shell-hubs .hero-signal-grid {
  gap: 0.7rem;
}

.page-shell-library .hero-signal-card,
.page-shell-hubs .hero-signal-card {
  min-height: auto;
  padding: 0.9rem;
}

.page-shell-library .hero-signal-card:last-child,
.page-shell-hubs .hero-signal-card:last-child {
  display: none;
}

.page-shell-library .board-controls {
  gap: 0.7rem;
  margin-top: 0.9rem;
}

.library-tools {
  display: grid;
  gap: 0.55rem;
  margin-top: 0.95rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.88)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.22), transparent 72%);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 5.3rem;
  z-index: 8;
}

.library-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.library-filter-bar-copy {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
}

.library-filter-bar-copy strong {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.library-filter-toggle {
  flex: 0 0 auto;
}

.library-tools.is-desktop-collapsed {
  gap: 0;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 252, 0.94)),
    linear-gradient(135deg, rgba(20, 184, 166, 0.08), transparent 70%);
}

.library-tools.is-desktop-collapsed .mobile-filter-sheet-body {
  display: none;
}

.library-tools.is-desktop-collapsed .library-filter-bar-copy .eyebrow {
  display: none;
}

.library-benchmark-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1rem;
  margin-top: 1rem;
}

.library-daily-card,
.library-log-match-card,
.library-view-toolbar {
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: var(--it-surface);
  box-shadow: var(--shadow-sm);
}

.library-daily-card,
.library-log-match-card {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
}

.library-card-head,
.library-view-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
}

.challenge-mini-card,
.field-note-card {
  display: grid;
  gap: 0.55rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem;
  background: var(--surface-soft);
}

.challenge-mini-card > span,
.log-match-item span,
.field-note-card-head {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
}

.challenge-mini-card strong,
.log-match-group > strong {
  color: var(--ink);
  font-family: var(--font-display);
}

.challenge-mini-card p,
.log-match-group p,
.field-note-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.challenge-mini-meta,
.weekly-challenge-grid,
.field-note-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.weekly-challenge-strip {
  display: grid;
  gap: 0.65rem;
}

.weekly-challenge-grid {
  align-items: stretch;
}

.weekly-challenge-grid .challenge-mini-card {
  flex: 1 1 180px;
}

.library-log-match-card textarea,
.problem-field-note-form textarea {
  resize: vertical;
}

.library-log-match-results,
.field-note-list {
  display: grid;
  gap: 0.65rem;
}

.log-match-group {
  display: grid;
  gap: 0.45rem;
}

.log-match-list {
  display: grid;
  gap: 0.45rem;
}

.log-match-item {
  display: grid;
  gap: 0.18rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.82);
  color: inherit;
  text-decoration: none;
}

.library-view-toolbar {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
}

.library-view-toolbar strong {
  color: var(--ink);
  font-family: var(--font-display);
}

.library-view-toggle {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
}

.library-view-toggle button {
  min-height: 2rem;
  border: 0;
  border-radius: 999px;
  padding: 0 0.85rem;
  background: transparent;
  color: var(--ink-soft);
  font-weight: 800;
  cursor: pointer;
}

.library-view-toggle button.is-active {
  background: var(--ink);
  color: #fff;
}

.problem-public-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.problem-public-stats span {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  border: 1px solid rgba(20, 184, 166, 0.22);
  border-radius: 999px;
  padding: 0 0.58rem;
  background: rgba(240, 253, 250, 0.86);
  color: #115e59;
  font-size: 0.75rem;
  font-weight: 800;
}

.problem-public-stats.is-pending span {
  border-color: var(--line);
  background: var(--surface-soft);
  color: var(--ink-soft);
}

.problem-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.problem-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.problem-table th,
.problem-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.78rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.problem-table th {
  color: var(--ink-soft);
  font-size: 0.74rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.problem-table tbody tr {
  cursor: pointer;
}

.problem-table tbody tr:hover {
  background: var(--surface-soft);
}

.problem-table-title {
  display: block;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.problem-table-title + span {
  display: block;
  margin-top: 0.22rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.problem-grid.is-table-mode {
  display: block;
}

.page-shell-library .hero-description {
  max-width: 56ch;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-shell-library .security-filter-bar {
  margin-top: 0.6rem;
}

.page-shell-library .level-distribution-grid {
  margin-top: 0.55rem;
  grid-template-columns: repeat(auto-fit, minmax(84px, 1fr));
}

.page-shell-library .board-meta {
  margin-top: 0.35rem;
}

.page-shell-library .legend {
  display: none;
}

.page-shell-library .problem-grid {
  margin-top: 1rem;
}

.page-shell-library .problem-card-list {
  min-height: 0;
}

.page-shell-library .category-tabs {
  gap: 0.55rem;
}

.page-shell-library .tab-button {
  min-height: 2.65rem;
  padding: 0 0.82rem;
}

.page-shell-library .search-field input,
.page-shell-library .search-field select,
.page-shell-library .field input,
.page-shell-library .field select {
  min-height: 2.85rem;
  border-radius: var(--it-radius);
}

.page-shell-library .security-filter-chip {
  min-height: 2.15rem;
  padding: 0 0.72rem;
}

.page-shell-library .level-distribution-card {
  padding: 0.58rem 0.68rem;
}

.mobile-filter-toolbar,
.mobile-filter-applied,
.mobile-filter-scrim,
.mobile-nav-scrim,
.mobile-filter-sheet-head,
.mobile-filter-sheet-foot {
  display: none;
}

body.has-mobile-filter-sheet-open,
body.has-mobile-nav-open {
  overflow: hidden;
}

.mobile-filter-toolbar {
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 0.9rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 247, 250, 0.96)),
    linear-gradient(135deg, rgba(20, 184, 166, 0.08), transparent 70%);
  box-shadow: var(--shadow-sm);
}

.mobile-filter-toolbar-copy {
  display: grid;
  gap: 0.3rem;
  min-width: 0;
}

.mobile-filter-toolbar-copy strong {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink);
}

.mobile-filter-toolbar-actions {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
}

.mobile-filter-toolbar-sort {
  min-width: 0;
}

.mobile-filter-toolbar-sort select,
.mobile-filter-toolbar-button,
.mobile-filter-close {
  min-height: 2.75rem;
}

.mobile-filter-toolbar-button {
  flex: 0 0 auto;
}

.mobile-filter-applied {
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.7rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-xs);
}

.mobile-filter-applied[hidden] {
  display: none !important;
}

.mobile-filter-summary-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  flex: 1 1 auto;
  overflow-x: auto;
  scrollbar-width: none;
}

.mobile-filter-summary-list::-webkit-scrollbar {
  display: none;
}

.mobile-filter-summary-empty {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.mobile-filter-summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex: 0 0 auto;
  min-height: 2.2rem;
  padding: 0 0.78rem;
  border-radius: 999px;
  background: rgba(234, 243, 255, 0.9);
  color: #0f172a;
  font-size: 0.88rem;
  white-space: nowrap;
}

.mobile-filter-summary-clear {
  flex: 0 0 auto;
  border: 0;
  background: transparent;
  color: var(--brand);
  font-weight: 700;
  cursor: pointer;
}

.mobile-filter-scrim {
  position: fixed;
  inset: 0;
  z-index: 38;
  background: rgba(15, 23, 42, 0.48);
}

.mobile-filter-scrim[hidden] {
  display: none !important;
}

.mobile-nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 41;
  border: 0;
  padding: 0;
  background: rgba(15, 23, 42, 0.48);
  cursor: pointer;
}

.mobile-nav-scrim[hidden] {
  display: none !important;
}

.mobile-filter-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.9rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  font-weight: 600;
  cursor: pointer;
}

.mobile-filter-sheet-body {
  display: contents;
}

.mobile-filter-sheet-foot .button {
  width: 100%;
  justify-content: center;
}

.mobile-filter-sheet [data-mobile-filter-close],
.mobile-filter-sheet [data-mobile-filter-reset] {
  min-height: 2.75rem;
}

.page-shell-library #recommend .recommend-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-shell-library #categories .category-overview-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.page-shell-library #categories .category-card,
.page-shell-hubs .value-card {
  gap: 0.75rem;
  padding: 1.15rem;
}

.page-shell-library #recommend .recommend-card-copy,
.page-shell-library #categories .category-card p,
.page-shell-hubs .value-card p {
  -webkit-line-clamp: 2;
  max-height: calc(1.68em * 2);
}

.page-shell-library #recommend .recommend-item h3 {
  -webkit-line-clamp: 1;
}

.page-shell-library #recommend .recommend-item p {
  -webkit-line-clamp: 2;
}

.page-shell-library #categories .category-card .button {
  justify-self: start;
}

.page-shell-guides .hero-copy,
.page-shell-guides .hero-panel,
.page-shell-hubs .hero-copy,
.page-shell-hubs .hero-panel,
.page-shell-taxonomy .hero-copy,
.page-shell-taxonomy .hero-panel {
  padding: 1.4rem;
}

.page-shell-guides .hero-description,
.page-shell-hubs .hero-copy .hero-description,
.page-shell-taxonomy .hero-copy .hero-description {
  max-width: 58ch;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-shell-guides .hero-signal-grid,
.page-shell-hubs .hero-signal-grid,
.page-shell-taxonomy .hero-signal-grid {
  gap: 0.7rem;
}

.page-shell-guides .hero-signal-card,
.page-shell-hubs .hero-signal-card,
.page-shell-taxonomy .hero-signal-card {
  min-height: auto;
  padding: 0.9rem;
}

.page-shell-guides .hero-signal-card strong,
.page-shell-hubs .hero-signal-card strong,
.page-shell-taxonomy .hero-signal-card strong {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.3;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.page-shell-guides .hero-signal-card small,
.page-shell-hubs .hero-signal-card small,
.page-shell-taxonomy .hero-signal-card small {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.page-shell-guides .hero-signal-card:last-child,
.page-shell-hubs .hero-signal-card:last-child,
.page-shell-taxonomy .hero-signal-card:last-child {
  display: none;
}

.page-shell-guides .value-grid,
.page-shell-hubs .value-grid,
.page-shell-taxonomy .value-grid {
  gap: 0.85rem;
}

.page-shell-guides .value-card,
.page-shell-hubs .value-card,
.page-shell-taxonomy .value-card {
  gap: 0.75rem;
  padding: 1.15rem;
}

.page-shell-guides .value-card,
.page-shell-hubs .value-card,
.page-shell-taxonomy .value-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.page-shell-guides .value-card h3,
.page-shell-hubs .value-card h3,
.page-shell-taxonomy .value-card h3 {
  -webkit-line-clamp: 2;
  max-height: calc(1.36em * 2);
}

.page-shell-guides .value-card p,
.page-shell-hubs .value-card p,
.page-shell-taxonomy .value-card p {
  -webkit-line-clamp: 2;
  max-height: calc(1.68em * 2);
}

.page-shell-guides .value-card h3,
.page-shell-guides .value-card p {
  display: block;
  -webkit-line-clamp: unset;
  -webkit-box-orient: initial;
  overflow: visible;
  max-height: none;
}

.page-shell-guides .value-card .button,
.page-shell-hubs .value-card .button,
.page-shell-taxonomy .value-card .button {
  margin-top: auto;
  align-self: flex-start;
}

.page-shell-guides .value-card .problem-tags,
.page-shell-hubs .value-card .problem-tags,
.page-shell-taxonomy .value-card .problem-tags {
  min-height: 1.95rem;
}

.guide-card-why {
  margin: -0.1rem 0 0;
  color: #0f766e;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.45;
}

.page-shell-guides .value-card .problem-tags {
  align-items: flex-start;
  min-height: 0;
}

.page-shell-guides .value-card .problem-tag {
  display: inline-flex;
  width: fit-content;
  min-height: auto;
  max-width: 100%;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.25;
  padding: 0.42rem 0.7rem;
}

.page-shell-guides .value-grid,
.page-shell-hubs .value-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.page-shell-guides .value-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-shell-guides .value-card .problem-tag:not(:first-child),
.page-shell-hubs .value-card .problem-tag:not(:first-child),
.page-shell-taxonomy .value-card .problem-tag:not(:first-child) {
  display: none;
}

.page-shell-library .category-card-bullets .problem-tag:not(:first-child) {
  display: none;
}

.page-shell-library .problem-card-list,
.page-shell-taxonomy .detail-related-grid {
  align-items: stretch;
}

.page-shell-taxonomy .recommend-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-shell-taxonomy .detail-related-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.page-shell-learning .admin-hero-grid {
  gap: 0.9rem;
  align-items: stretch;
}

.page-shell-learning .admin-hero-card,
.page-shell-learning .admin-auth-card {
  padding: 1.2rem;
  border-radius: var(--it-radius);
}

.page-shell-learning .admin-hero-card p,
.page-shell-learning .admin-auth-card .form-note {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-shell-learning .quick-intent-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.page-shell-learning .admin-card {
  min-height: 100%;
}

.page-shell-learning .admin-copy-block p,
.page-shell-learning .problem-card-main p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-shell-learning .admin-card-actions,
.page-shell-learning .problem-card-side {
  margin-top: auto;
}

.account-identity-card {
  display: grid;
  gap: 0.65rem;
  margin-top: 0.95rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.92);
}

.account-identity-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem;
}

.account-identity-row span {
  color: var(--muted);
  font-size: 0.92rem;
}

.account-identity-row strong {
  color: var(--ink);
  font-size: 0.98rem;
  text-align: right;
  overflow-wrap: anywhere;
}

.account-security-panel {
  display: grid;
  gap: 0.8rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.92);
}

.hero-panel-head-compact {
  margin-bottom: -0.2rem;
}

.hero-panel-head-compact h3 {
  margin: 0;
  font-size: 1.02rem;
  font-family: var(--font-display);
}

.account-security-form {
  display: grid;
  gap: 0.85rem;
}

.page-shell-learning .admin-hero-points {
  gap: 0.55rem;
}

.page-shell-learning .cms-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.page-shell-learning .form-card,
.page-shell-learning .admin-card {
  padding: 1.1rem;
}

.page-shell-learning .admin-metrics-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.learning-weakness-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  align-items: start;
}

.learning-weakness-summary,
.learning-weakness-panel,
.learning-weakness-card {
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.92);
}

.learning-weakness-summary,
.learning-weakness-panel {
  padding: 1.1rem;
}

.learning-weakness-summary {
  display: grid;
  gap: 0.8rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 251, 235, 0.94)),
    linear-gradient(135deg, rgba(254, 215, 170, 0.34), transparent 74%);
}

.learning-weakness-summary:only-child {
  grid-column: 1 / -1;
}

.learning-weakness-summary h3,
.learning-weakness-summary p {
  margin: 0;
}

.learning-weakness-panel {
  display: grid;
  gap: 0.85rem;
}

.learning-weakness-panel:nth-child(3),
.learning-weakness-panel:nth-child(4) {
  grid-column: 1 / -1;
}

.learning-weakness-panel-head,
.learning-weakness-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.learning-weakness-panel-head strong,
.learning-weakness-card-head strong {
  font-family: var(--font-display);
}

.learning-weakness-panel-head span,
.learning-weakness-card-head span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.learning-weakness-list {
  display: grid;
  gap: 0.75rem;
}

.learning-weakness-card {
  display: grid;
  gap: 0.65rem;
  padding: 0.95rem 1rem;
}

.learning-weakness-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.55;
}

.page-shell-learning .recommend-grid,
.page-shell-learning .admin-list {
  gap: 0.85rem;
}

.page-shell-auth .hero {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.88fr);
  align-items: stretch;
}

.page-shell-auth .hero-copy,
.page-shell-auth .auth-panel {
  min-height: 100%;
}

.page-shell-auth .hero-copy {
  padding: 2.2rem;
}

.page-shell-auth .hero-description {
  max-width: 60ch;
}

.page-shell-auth .auth-panel {
  display: grid;
  gap: 1rem;
}

.page-shell-auth .form-card {
  gap: 0.95rem;
}

.auth-entry-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.auth-entry-grid .value-card {
  min-height: 100%;
}

.auth-entry-grid .value-card .button,
.auth-entry-grid .value-card .detail-inline-actions {
  margin-top: auto;
}

.library-pagination-copy {
  color: var(--muted);
  font-size: 0.96rem;
}

.library-pagination-actions {
  display: inline-flex;
  gap: 0.65rem;
  align-items: center;
}

.problem-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: var(--it-surface);
  box-shadow: var(--shadow-sm);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.problem-card:hover,
.problem-card:focus-within {
  transform: translateY(-2px);
  border-color: rgba(22, 163, 74, 0.24);
  box-shadow: var(--shadow-md);
}

.problem-card-security {
  border-color: rgba(15, 23, 42, 0.12);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.92)),
    linear-gradient(135deg, rgba(15, 23, 42, 0.05), rgba(20, 184, 166, 0.08));
}

.problem-card-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 1.15rem;
  align-items: start;
}

.problem-card-compact {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.2rem;
  min-height: 100%;
}

.problem-card-main {
  display: grid;
  gap: 0.65rem;
  min-width: 0;
  flex: 1 1 auto;
}

.problem-card-side {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
  min-width: 0;
  margin-top: auto;
}

.problem-card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  min-width: 0;
}

.problem-card-main h3 {
  font-size: 1.22rem;
  line-height: 1.32;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

.problem-card-main p {
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.56;
}

.problem-card-mission {
  color: var(--primary-strong);
  font-weight: 700;
}

.problem-card-brief {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.55rem;
}

.problem-card-brief-item {
  display: grid;
  gap: 0.28rem;
  padding: 0.72rem 0.78rem;
  border: 1px solid rgba(21, 128, 61, 0.12);
  border-radius: var(--it-radius);
  background: rgba(248, 250, 248, 0.84);
  min-width: 0;
}

.problem-card-brief-item span {
  color: var(--ink-soft);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.problem-card-brief-item strong {
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.45;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.problem-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding-top: 0.1rem;
}

.problem-card-side-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
  max-width: 100%;
}

.problem-card-side-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.42rem;
  min-width: 0;
  max-width: 100%;
}

.problem-chip,
.topic-pill,
.problem-focus-pill,
.problem-category,
.problem-rank,
.problem-tier,
.problem-track,
.problem-format,
.problem-duration,
.problem-level-text {
  border: 1px solid transparent;
}

.problem-category {
  background: rgba(15, 118, 110, 0.1);
  color: var(--teal);
}

.problem-focus-pill {
  background: rgba(15, 23, 42, 0.92);
  color: #ecfeff;
}

.problem-track,
.topic-pill-track,
.track-badge,
.audience-badge,
.plan-tier {
  background: var(--primary-soft);
  color: var(--primary-strong);
}

.problem-tier,
.topic-pill-access {
  background: rgba(217, 119, 6, 0.12);
  color: #a16207;
}

.problem-rank {
  font-weight: 800;
  letter-spacing: 0.01em;
  text-transform: none;
}

.problem-rank.problem-rank-signal {
  background: rgba(22, 163, 74, 0.12);
  color: #15803d;
}

.problem-rank.problem-rank-trace {
  background: rgba(13, 148, 136, 0.14);
  color: #0f766e;
}

.problem-rank.problem-rank-probe {
  background: rgba(8, 145, 178, 0.12);
  color: #0e7490;
}

.problem-rank.problem-rank-isolate {
  background: rgba(79, 70, 229, 0.12);
  color: #4338ca;
}

.problem-rank.problem-rank-recover {
  background: rgba(217, 119, 6, 0.14);
  color: #b45309;
}

.problem-rank.problem-rank-stabilize {
  background: rgba(234, 88, 12, 0.12);
  color: #c2410c;
}

.problem-rank.problem-rank-command {
  background: rgba(190, 24, 93, 0.12);
  color: #be185d;
}

.problem-format,
.problem-duration,
.problem-level-text,
.topic-pill {
  background: rgba(28, 25, 23, 0.06);
  color: var(--ink-soft);
}

.problem-tags,
.problem-meta,
.track-meta,
.detail-track-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  min-width: 0;
}

.admin-inline-pills {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.detail-taxonomy-stack,
.detail-taxonomy-group {
  display: grid;
  gap: 0.75rem;
}

.problem-tag {
  display: inline-flex;
  align-items: center;
  min-height: 1.95rem;
  padding: 0 0.66rem;
  border-radius: 999px;
  background: rgba(28, 25, 23, 0.05);
  color: var(--ink-soft);
  font-size: 0.78rem;
  max-width: 100%;
  min-width: 0;
  flex: 0 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  overflow-wrap: normal;
  word-break: keep-all;
}

.problem-tag-emphasis {
  background: rgba(21, 128, 61, 0.12);
  color: #166534;
}

.hero-copy,
.hero-panel,
.section-heading,
.problem-card-main,
.detail-card,
.value-card,
.category-card {
  min-width: 0;
}

.problem-tag-origin {
  background: rgba(20, 122, 94, 0.12);
  color: #0f6a53;
}

.difficulty-meter {
  display: inline-flex;
  align-items: center;
  gap: 0.34rem;
}

.difficulty-meter-label {
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.difficulty-dot {
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: #d6d3d1;
}

.difficulty-dot.is-active.level-beginner {
  background: var(--primary);
}

.difficulty-dot.is-active.level-intermediate {
  background: var(--amber);
}

.difficulty-dot.is-active.level-advanced {
  background: var(--rose);
}

.empty-state {
  padding: 2rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-soft);
  text-align: center;
}

.section-security {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(245, 248, 250, 0.96)),
    linear-gradient(135deg, rgba(15, 23, 42, 0.06), rgba(20, 184, 166, 0.12));
}

.security-spotlight {
  margin-top: 1.65rem;
}

.security-spotlight-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1rem;
  padding: 1.4rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--it-radius);
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.88)),
    linear-gradient(135deg, rgba(20, 184, 166, 0.2), transparent 55%);
  color: #f8fafc;
  box-shadow: var(--shadow-md);
}

.security-spotlight-main,
.security-spotlight-problem,
.security-focus-card {
  display: grid;
  gap: 0.9rem;
}

.security-spotlight-main p,
.security-spotlight-problem p {
  margin: 0;
  color: rgba(248, 250, 252, 0.82);
  line-height: 1.68;
}

.security-focus-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

.security-spotlight-main h3,
.security-spotlight-problem h4 {
  margin: 0;
  font-family: var(--font-display);
}

.security-spotlight-actions,
.security-focus-actions,
.security-bullet-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.security-spotlight-problem {
  padding: 1.1rem;
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.security-focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  align-items: stretch;
}

.security-focus-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.2rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-sm);
}

.security-focus-card-head,
.security-focus-sample {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.security-focus-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: auto;
}

.recommend-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem;
  margin-top: 1.65rem;
}

.recommend-card {
  display: grid;
  gap: 1rem;
  flex: 1 1 320px;
  align-self: flex-start;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.86)),
    linear-gradient(135deg, rgba(217, 251, 225, 0.52), transparent 72%);
  box-shadow: var(--shadow-md);
}

.recommend-card-role.family-role {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.86)),
    linear-gradient(135deg, rgba(217, 251, 225, 0.52), transparent 72%);
}

.recommend-card-role.family-scenario {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.86)),
    linear-gradient(135deg, rgba(255, 237, 213, 0.62), transparent 72%);
}

.recommend-card-role.family-specialist {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.86)),
    linear-gradient(135deg, rgba(219, 234, 254, 0.62), transparent 72%);
}

.recommend-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.recommend-card-head h3 {
  margin: 0.65rem 0 0;
  font-family: var(--font-display);
  font-size: 1.42rem;
}

.recommend-role-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.recommend-role-family-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.recommend-role-audience,
.recommend-role-categories {
  display: grid;
  gap: 0.5rem;
}

.recommend-role-audience strong,
.recommend-role-categories strong {
  font-size: 0.88rem;
  color: var(--ink);
}

.recommend-role-audience p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.62;
}

.recommend-role-category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.recommend-role-category-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.78rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.05);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
}

.recommend-role-activity {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.92), rgba(255, 255, 255, 0.78));
}

.recommend-role-activity strong {
  color: var(--ink);
  font-size: 0.94rem;
}

.recommend-role-activity p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.58;
}

.recommend-role-activity-pill {
  background: rgba(14, 116, 144, 0.08);
  color: #0f766e;
}

.recommend-role-resume {
  margin-bottom: 1rem;
}

.recommend-role-spotlight-grid {
  display: grid;
  gap: 0.9rem;
  margin: 1rem 0;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.recommend-role-spotlight-grid[hidden] {
  display: none;
}

.recommend-role-spotlight-card {
  display: grid;
  gap: 0.95rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.92));
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.recommend-role-spotlight-card.is-review {
  border-color: rgba(180, 83, 9, 0.18);
  background: linear-gradient(135deg, rgba(255, 247, 237, 0.96), rgba(255, 255, 255, 0.94));
}

.recommend-role-spotlight-card.is-progress {
  border-color: rgba(21, 128, 61, 0.18);
  background: linear-gradient(135deg, rgba(240, 253, 244, 0.96), rgba(255, 255, 255, 0.94));
}

.recommend-role-spotlight-copy {
  display: grid;
  gap: 0.45rem;
}

.recommend-role-spotlight-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.recommend-role-spotlight-copy strong {
  color: var(--ink);
  font-size: 1.08rem;
}

.recommend-role-spotlight-copy p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.recommend-role-spotlight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.library-role-resume {
  margin-top: 0.85rem;
}

.recommend-role-resume-card {
  display: grid;
  gap: 0.95rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(241, 245, 249, 0.92));
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.recommend-role-resume-card.is-review {
  border-color: rgba(180, 83, 9, 0.18);
  background: linear-gradient(135deg, rgba(255, 247, 237, 0.96), rgba(255, 255, 255, 0.94));
}

.recommend-role-resume-copy {
  display: grid;
  gap: 0.45rem;
}

.recommend-role-resume-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.recommend-role-resume-copy strong {
  color: var(--ink);
  font-size: 1.05rem;
}

.recommend-role-resume-copy p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.recommend-role-resume-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
}

.recommend-role-resume-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.recommend-role-starter {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.82);
}

.recommend-role-starter span {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.recommend-role-starter strong {
  display: -webkit-box;
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.45;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recommend-role-starter small {
  color: var(--ink-soft);
  line-height: 1.55;
}

.recommend-role-featured-guide {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.05rem;
  border: 1px solid rgba(21, 128, 61, 0.14);
  border-radius: var(--it-radius);
  background: linear-gradient(135deg, rgba(220, 252, 231, 0.5), rgba(255, 255, 255, 0.86));
}

.recommend-role-featured-guide span {
  color: var(--primary-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.recommend-role-featured-guide strong {
  display: -webkit-box;
  margin: 0;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.45;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recommend-role-featured-guide small {
  color: var(--ink-soft);
  line-height: 1.55;
}

.recommend-role-sequence {
  display: grid;
  gap: 0.55rem;
}

.recommend-role-sequence strong {
  font-size: 0.88rem;
  color: var(--ink);
}

.recommend-role-sequence-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.recommend-role-sequence-link {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.3rem;
  padding: 0.42rem 0.78rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.05);
  color: var(--ink-soft);
}

.recommend-role-sequence-link span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
}

.recommend-role-sequence-link b {
  display: -webkit-box;
  max-width: 18rem;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.35;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recommend-card-copy {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: calc(1.68em * 2);
}

.recommend-sample-link {
  display: grid;
  gap: 0.3rem;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(21, 128, 61, 0.14);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.84);
}

.recommend-sample-link span {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.recommend-sample-link strong {
  display: -webkit-box;
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recommend-sample-link small {
  color: var(--ink-soft);
  line-height: 1.5;
}

.recommend-card-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.recommend-card-progress span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.42rem 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.05);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 600;
}

.recommend-role-guides {
  display: grid;
  gap: 0.65rem;
}

.recommend-role-guides strong {
  font-size: 0.88rem;
  color: var(--ink);
}

.recommend-role-topics {
  display: grid;
  gap: 0.65rem;
}

.recommend-role-topics strong {
  font-size: 0.88rem;
  color: var(--ink);
}

.recommend-role-stages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.recommend-role-stage {
  display: grid;
  gap: 0.15rem;
  min-width: 96px;
  padding: 0.75rem 0.85rem;
  border: 1px solid rgba(21, 128, 61, 0.12);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.78);
}

.recommend-role-stage span {
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.recommend-role-stage strong {
  color: var(--ink);
  font-size: 1rem;
}

.recommend-role-stage small {
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.recommend-role-guide-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.recommend-role-topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.recommend-role-guide {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.8rem;
  border-radius: 999px;
  background: rgba(21, 128, 61, 0.1);
  color: var(--primary-strong);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
}

.recommend-role-guide:hover,
.recommend-role-guide:focus-visible {
  background: rgba(21, 128, 61, 0.16);
}

.recommend-role-topic {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.8rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 600;
  text-decoration: none;
}

.recommend-role-topic:hover,
.recommend-role-topic:focus-visible {
  background: rgba(15, 23, 42, 0.1);
}

.recommend-items {
  display: grid;
  gap: 0.85rem;
}

.recommend-item {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid rgba(21, 128, 61, 0.14);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.82);
  min-width: 0;
  align-content: start;
}

.recommend-item .button {
  margin-top: auto;
  align-self: flex-start;
}

.recommend-item-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  min-width: 0;
}

.recommend-item h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.34;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: calc(1.34em * 2);
}

.recommend-item p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.62;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: calc(1.62em * 3);
}

.value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.audience-grid,
.track-grid,
.plan-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workflow-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.value-card span:first-child,
.workflow-card span {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-strong);
  font-family: var(--font-display);
  font-weight: 700;
}

.value-card h3,
.audience-card h3,
.track-card h3,
.workflow-card h3,
.plan-card .plan-name {
  margin-top: 0.95rem;
  font-size: clamp(1.12rem, 1.6vw, 1.28rem);
  line-height: 1.36;
  text-wrap: balance;
}

.audience-card ul,
.track-card ul,
.plan-card ul {
  padding-left: 1rem;
  margin: 0.9rem 0 0;
  color: var(--ink-soft);
  line-height: 1.68;
  max-height: calc(1.68em * 5.2);
  overflow: hidden;
}

.audience-card-focus,
.track-card-track-team,
.intake-copy-highlight,
.plan-card-plan-team {
  background:
    linear-gradient(180deg, rgba(20, 83, 45, 0.96), rgba(21, 128, 61, 0.92)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.12), transparent 65%);
  color: #f0fdf4;
}

.audience-card-focus p,
.audience-card-focus ul,
.track-card-track-team p,
.track-card-track-team ul,
.intake-copy-highlight .signal-bullets li,
.plan-card-plan-team p,
.plan-card-plan-team ul,
.plan-card-plan-team .plan-price,
.plan-card-plan-team .plan-audience {
  color: rgba(240, 253, 244, 0.84);
}

.audience-card-focus .audience-badge,
.track-card-track-team .track-badge,
.plan-card-plan-team .plan-tier {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
}

.track-card,
.plan-card {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.section-compact .value-grid,
.section-compact .audience-grid,
.section-compact .track-grid,
.section-compact .plan-grid,
.section-compact .workflow-grid {
  margin-top: 1.15rem;
  gap: 0.85rem;
}

.section-compact .value-card,
.section-compact .audience-card,
.section-compact .track-card,
.section-compact .workflow-card,
.section-compact .plan-card {
  padding: 1.15rem;
}

.track-actions {
  display: flex;
  margin-top: auto;
}

.plan-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.plan-price {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
}

.plan-audience {
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  max-height: calc(1.68em * 3);
}

.track-card p {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  max-height: calc(1.68em * 3);
}

.track-card-note,
.plan-card-note {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  max-height: calc(1.6em * 2);
}

.plan-card .button {
  margin-top: auto;
  align-self: flex-start;
}

.value-card .button,
.category-card .button,
.workflow-card .button,
.audience-card .button {
  margin-top: auto;
  align-self: flex-start;
}

.page-shell-solutions .hero {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
}

.page-shell-solutions .recommend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.page-shell-solutions .recommend-card,
.page-shell-solutions .track-card,
.page-shell-solutions .plan-card {
  min-height: 0;
}

.page-shell-solutions .recommend-card {
  flex: none;
  gap: 0.85rem;
}

.page-shell-solutions .track-grid,
.page-shell-solutions .plan-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
}

.page-shell-solutions .track-card p,
.page-shell-solutions .plan-audience {
  -webkit-line-clamp: 2;
  max-height: calc(1.68em * 2);
}

.page-shell-solutions .track-card ul,
.page-shell-solutions .plan-card ul {
  display: none;
}

.intake-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 1rem;
  margin-top: 1.7rem;
  align-items: start;
}

.intake-copy,
.form-card,
.detail-card,
.admin-auth-card,
.admin-hero-card,
.admin-card,
.admin-metric-card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
}

.intake-copy h3 {
  margin: 0;
  font-size: 1.38rem;
}

.signal-bullets {
  margin: 1rem 0 0;
  padding-left: 1rem;
}

.signal-bullets li {
  border-radius: var(--it-radius);
  line-height: 1.58;
}

.form-card {
  display: grid;
  gap: 1rem;
}

.field-grid {
  display: grid;
  gap: 1rem;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.four-columns {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.checkbox-field {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink-soft);
}

.checkbox-field input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
}

.form-note {
  margin: 0;
  font-size: 0.92rem;
}

.form-status {
  min-height: 1.2rem;
  margin: 0;
  font-weight: 700;
}

.form-status.is-success {
  color: var(--primary-strong);
}

.form-status.is-error {
  color: var(--rose);
}

.section-ad {
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

.section-ad[hidden] {
  display: none;
}

.ad-slot-shell {
  display: grid;
  gap: 0.9rem;
  padding: 1.15rem 1.25rem;
  border: 1px dashed rgba(21, 128, 61, 0.28);
  border-radius: var(--it-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(250, 252, 248, 0.92)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.44), transparent 70%);
  box-shadow: var(--shadow-sm);
}

.ad-slot-shell.is-adsense {
  gap: 0.75rem;
  border-style: solid;
}

.ad-slot-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.ad-slot-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0 0.78rem;
  border-radius: 999px;
  background: rgba(21, 128, 61, 0.1);
  color: var(--primary-strong);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.ad-slot-copy {
  display: grid;
  gap: 0.35rem;
}

.ad-slot-copy strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.ad-slot-copy p {
  margin: 0;
  color: var(--ink-soft);
}

.ad-slot-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.ad-slot-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0 0.78rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
}

.ad-slot-frame {
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.82);
  overflow: hidden;
}

.ad-slot-shell .adsbygoogle {
  width: 100%;
  min-height: 120px;
}

.ad-slot-shell.layout-inline .adsbygoogle {
  min-height: 250px;
}

.ad-slot-shell.layout-footer .adsbygoogle {
  min-height: 140px;
}

.ad-slot-shell.layout-banner .adsbygoogle {
  min-height: 120px;
}

.guide-longform-article {
  display: grid;
  gap: 14px;
  max-width: 920px;
}

.guide-longform-article h2 {
  margin: 12px 0 0;
}

.guide-longform-article p,
.guide-longform-article li {
  color: var(--text-muted);
  line-height: 1.75;
}

.guide-longform-article ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
}

.guide-longform-article pre {
  overflow-x: auto;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #101714;
  color: #e9fff3;
}

.guide-longform-article code {
  font: 600 0.92rem/1.7 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.empty-state.compact {
  padding: 1rem 1.1rem;
}

.page-shell-subpage .empty-state {
  padding: 1.35rem 1.1rem;
  border-radius: var(--it-radius);
}

.social-auth-shell {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.social-auth-head {
  display: grid;
  gap: 0.3rem;
  justify-items: center;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.social-auth-head strong {
  color: var(--ink);
  font-size: 1rem;
}

.social-auth-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.social-auth-card {
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 0.55rem;
  width: 5.75rem;
  min-width: 5.75rem;
  padding: 0.2rem 0;
  background: transparent;
  box-shadow: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.social-auth-card:hover,
.social-auth-card:focus-visible {
  transform: translateY(-2px);
}

.social-auth-icon {
  display: grid;
  place-items: center;
  width: 3.75rem;
  height: 3.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease;
}

.social-auth-card:hover .social-auth-icon,
.social-auth-card:focus-visible .social-auth-icon {
  border-color: rgba(21, 128, 61, 0.24);
  box-shadow: var(--shadow-md);
}

.social-auth-label {
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.2;
}

.social-auth-icon-google {
  color: #4285f4;
  background:
    radial-gradient(circle at 30% 30%, rgba(234, 67, 53, 0.16), transparent 38%),
    radial-gradient(circle at 74% 28%, rgba(251, 188, 5, 0.18), transparent 34%),
    radial-gradient(circle at 74% 76%, rgba(52, 168, 83, 0.18), transparent 36%),
    rgba(255, 255, 255, 0.96);
}

.social-auth-icon-naver {
  color: #03c75a;
  background: rgba(255, 255, 255, 0.96);
}

.social-auth-icon-kakao {
  color: #3b1e1e;
  background: #fee500;
}

.social-auth-card.is-linked {
  opacity: 0.92;
}

.social-auth-card.is-disabled {
  opacity: 0.72;
  box-shadow: none;
}

.account-provider-list {
  display: grid;
  gap: 0.9rem;
}

.account-provider-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.92);
}

.account-provider-card.is-linked {
  border-color: rgba(21, 128, 61, 0.2);
  background: rgba(21, 128, 61, 0.05);
}

.account-provider-card.is-disabled {
  opacity: 0.8;
}

.account-provider-icon {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 999px;
  background: rgba(21, 128, 61, 0.08);
  color: var(--primary-strong);
  font-weight: 800;
  font-size: 1rem;
}

.account-provider-meta {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
}

.account-provider-meta strong {
  color: var(--ink);
  font-size: 1rem;
}

.account-provider-meta p {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.45;
}

.account-provider-action {
  display: inline-flex;
  justify-content: flex-end;
  align-items: center;
}

.account-provider-action .button {
  white-space: nowrap;
}

.account-provider-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.15rem;
  padding: 0 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
}

.account-provider-badge.is-linked {
  background: rgba(21, 128, 61, 0.08);
  border-color: rgba(21, 128, 61, 0.18);
  color: var(--primary-strong);
}

.account-provider-badge.is-available {
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.18);
  color: #1d4ed8;
}

.account-provider-badge.is-disabled {
  background: rgba(148, 163, 184, 0.08);
  border-color: rgba(148, 163, 184, 0.18);
  color: #475569;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1.1rem 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem 1rem;
}

.footer-links a {
  color: var(--ink-soft);
}

.back-link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 2.3rem;
  padding: 0 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 700;
}

.detail-hero-panel {
  display: grid;
  gap: 0.85rem;
}

.page-shell-detail .detail-hero-panel {
  padding: 1.35rem;
}

.page-shell-detail .detail-description {
  max-width: 92ch;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.detail-header h1 {
  margin: 0;
  font-family: var(--font-body);
  max-width: 34ch;
  /* Design System v1: don't over-scale the title (was up to 3.7rem). */
  font-size: clamp(1.55rem, 0.9rem + 1.4vw, 2.05rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.problem-hero-kicker,
.problem-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
}

.problem-hero-kicker span {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 0.7rem;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-soft);
  font-size: 0.8rem;
  font-weight: 850;
}

.problem-hero-actions {
  margin-top: 0.2rem;
}

.problem-field-note-form {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.problem-field-note-form select {
  min-height: 2.45rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0 0.85rem;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}

.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  gap: 1rem;
}

.page-shell-detail .detail-grid {
  grid-template-columns: minmax(0, 1fr) minmax(400px, 460px);
  gap: 1.1rem;
  align-items: start;
}

.detail-main-stack,
.detail-side-stack {
  display: grid;
  gap: 0.9rem;
}

@media (min-width: 1181px) {
  .page-shell-detail .detail-main-stack {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.68fr);
    align-items: start;
  }

  .page-shell-detail .detail-story-card {
    grid-column: 1;
    grid-row: 1;
    min-height: 100%;
  }

  .page-shell-detail .detail-core-grid {
    grid-column: 2;
    grid-row: 1;
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .page-shell-detail .detail-main-stack > :not(.detail-story-card):not(.detail-core-grid):not(#problem-answer-mobile-anchor) {
    grid-column: 1 / -1;
  }
}

.problem-answer-anchor {
  display: none;
}

.page-shell-detail .detail-side-stack {
  align-content: start;
}

.page-shell-detail #problem-answer-card {
  position: sticky;
  top: 6rem;
  z-index: 3;
}

.problem-focus-toolbar {
  position: static;
  top: auto;
  z-index: 24;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: -0.35rem 0 0.85rem;
  padding: 0.72rem 0.85rem;
  border: 1px solid var(--it-border);
  border-radius: var(--it-radius);
  background: var(--it-surface);
  box-shadow: var(--it-shadow-sm);
}

.problem-focus-toolbar[hidden] {
  display: none;
}

.problem-focus-toolbar span {
  color: var(--primary-strong);
  font-size: 0.86rem;
  font-weight: 900;
}

.page-shell-detail.is-solving-mode .problem-focus-toolbar {
  margin: 0 0 0.85rem;
  border-radius: 999px;
}

.page-shell-detail.is-solving-mode .detail-hero-panel {
  padding: 1rem;
}

.page-shell-detail.is-solving-mode .problem-brief-panel,
.page-shell-detail.is-solving-mode .detail-meta-row,
.page-shell-detail.is-solving-mode .detail-related-section,
.page-shell-detail.is-solving-mode .section-ad {
  display: none;
}

.page-shell-detail.is-solving-mode .problem-hero-actions .button:not([data-problem-focus-action]) {
  display: none;
}

.page-shell-detail.is-solving-mode .detail-grid {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 1rem;
}

.page-shell-detail.is-solving-mode .detail-main-stack > :not(.detail-story-card):not(.detail-practice-card):not(#problem-answer-mobile-anchor):not(#problem-answer-card) {
  display: none !important;
}

.page-shell-detail.is-solving-mode .detail-side-stack > :not(#problem-answer-desktop-anchor):not(#problem-answer-card):not(.problem-assist-card) {
  display: none !important;
}

.page-shell-detail.is-solving-mode .detail-story-card,
.page-shell-detail.is-solving-mode #problem-answer-card {
  border-color: var(--it-primary);
  background: var(--it-surface);
  box-shadow: var(--it-shadow-md);
}

.page-shell-detail.is-solving-mode .detail-story-card {
  min-height: auto;
}

.page-shell-detail.is-solving-mode .detail-story-card #problem-scenario {
  color: var(--ink);
  font-size: 1.04rem;
  line-height: 1.72;
}

.page-shell-detail.is-solving-mode #problem-answer-card {
  top: 8.4rem;
}

.page-shell-detail.is-solving-mode #problem-answer-card .detail-inline-actions a[href*="learning"] {
  display: none;
}

@media (max-width: 840px) {
  .page-shell-detail {
    width: min(var(--max-width), calc(100% - 1rem));
  }

  .problem-focus-toolbar {
    top: 4.8rem;
    margin-top: -0.2rem;
  }

  .page-shell-detail.is-solving-mode .detail-grid {
    grid-template-columns: 1fr;
  }

  .page-shell-detail.is-solving-mode #problem-answer-card {
    position: static;
    top: auto;
  }

  .page-shell-detail.is-solving-mode .detail-side-stack {
    display: grid;
  }

  .problem-brief-panel,
  .problem-brief-facts {
    grid-template-columns: 1fr;
  }

  .problem-brief-card {
    min-height: auto;
  }
}

.detail-story-card {
  min-height: 13.5rem;
}

.page-shell-detail .detail-story-card {
  min-height: auto;
}

.detail-card h2 {
  font-size: clamp(1.28rem, 1.45vw, 2rem);
  line-height: 1.3;
  text-wrap: balance;
}

.page-shell-detail .detail-card {
  gap: 0.75rem;
  padding: 1.05rem;
}

.detail-side-stack .detail-card {
  padding: 1.2rem;
}

.page-shell-detail .detail-side-stack .detail-card {
  padding: 1rem;
}

/* Design System v1: flatten problem-detail cards from the glassy gradient look
   to a calm flat surface with a real border, 8px radius, shallow shadow. */
.page-shell-detail .detail-card,
.page-shell-detail .detail-hero-panel,
.page-shell-detail .problem-session-card,
.page-shell-detail .problem-assist-card {
  background: var(--it-surface);
  border: 1px solid var(--it-border);
  border-radius: var(--it-radius);
  box-shadow: var(--it-shadow-sm);
  backdrop-filter: none;
}

.detail-side-stack .detail-card h2 {
  font-size: clamp(1.15rem, 1.5vw, 1.32rem);
}

.detail-focus-card[hidden] {
  display: none;
}

.detail-focus-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 250, 0.94)),
    linear-gradient(135deg, rgba(15, 23, 42, 0.05), rgba(20, 184, 166, 0.08));
}

.detail-editorial-card {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(250, 248, 244, 0.94)),
    linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(20, 184, 166, 0.06));
}

.detail-editorial-grid {
  align-items: stretch;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.page-shell-detail .detail-core-grid .detail-card {
  min-height: 0;
}

.page-shell-detail .detail-core-grid .detail-list {
  margin-top: 0.7rem;
}

.detail-list {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.68;
}

.detail-ordered {
  list-style: decimal;
}

.detail-card-mobile-accordion-toggle {
  display: none;
}

.detail-card-mobile-accordion-body {
  display: contents;
}

.is-mobile-collapsible .detail-card-mobile-accordion-body[hidden] {
  display: none !important;
}

.page-shell-detail .is-desktop-collapsible {
  gap: 0.55rem;
}

.page-shell-detail .is-desktop-collapsible .detail-card-mobile-accordion-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 2.45rem;
  padding: 0.62rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(248, 250, 252, 0.94);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.page-shell-detail .is-desktop-collapsible .detail-card-mobile-accordion-toggle::after {
  content: "펼치기";
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 800;
}

.page-shell-detail .is-desktop-collapsible[data-mobile-accordion-expanded="true"] .detail-card-mobile-accordion-toggle::after {
  content: "접기";
}

.page-shell-detail .is-desktop-collapsible[data-mobile-accordion-expanded="false"] {
  padding: 0.85rem 0.95rem;
}

.page-shell-detail .is-desktop-collapsible[data-mobile-accordion-expanded="false"] h2 {
  font-size: clamp(1.05rem, 1.05vw, 1.28rem);
}

.detail-practice-card {
  background:
    linear-gradient(180deg, rgba(248, 250, 248, 0.96), rgba(255, 255, 255, 0.86)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.5), transparent 70%);
}

.practice-shell {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.practice-summary {
  display: grid;
  gap: 0.35rem;
}

.practice-summary strong {
  font-size: 1.02rem;
}

.practice-summary p {
  margin: 0;
}

.terminal-window {
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  border-radius: var(--it-radius);
  background: #0f172a;
  color: #c7f9cc;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.terminal-window-head {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.35rem;
}

.terminal-window-head i {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: #22c55e;
}

.terminal-line {
  display: flex;
  gap: 0.65rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.88rem;
  line-height: 1.5;
}

.terminal-line span {
  color: #86efac;
}

.practice-tips {
  display: grid;
  gap: 0.55rem;
}

.practice-tip {
  display: flex;
  gap: 0.65rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.8);
}

.practice-tip strong {
  color: var(--primary-strong);
}

.detail-track-card {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.detail-track-card strong {
  font-size: 1.18rem;
}

.detail-track-card p {
  margin: 0;
}

.detail-level-path-head {
  display: grid;
  gap: 0.75rem;
}

.detail-level-path-copy {
  display: grid;
  gap: 0.45rem;
}

.detail-level-path-copy strong {
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.detail-level-path-copy p,
.detail-level-path-meta {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.detail-level-path-meta {
  margin-top: 0.95rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.detail-level-path-card .recommend-card-progress {
  margin-top: 0.95rem;
}

.detail-level-path-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.95rem;
}

.detail-level-path-card .button {
  margin-top: 0.95rem;
}

.detail-level-path-actions .button {
  margin-top: 0;
}

.button.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

.detail-level-path-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1rem;
}

.detail-level-path-item {
  display: grid;
  gap: 0.65rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.82);
}

.detail-level-path-item-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.detail-level-path-item strong,
.detail-level-path-item p {
  margin: 0;
}

.detail-level-path-item strong {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  max-height: calc(1.4em * 2);
}

.detail-level-path-item p {
  color: var(--ink-soft);
  line-height: 1.62;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-height: calc(1.62em * 2);
}

.faq-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.faq-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.78);
}

.faq-item h3 {
  margin: 0;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.detail-related-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-shell-detail .detail-related-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1180px) {
  .page-shell-detail .detail-grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 400px);
  }

  .page-shell-detail .detail-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-shell-detail .detail-related-grid .problem-card-compact {
  padding: 1rem;
  gap: 0.75rem;
}

.page-shell-detail .detail-related-grid .problem-card-main h3 {
  font-size: 1.08rem;
}

.page-shell-detail .detail-related-grid .problem-card-main p {
  -webkit-line-clamp: 2;
  max-height: calc(1.56em * 2);
}

.page-shell-detail .detail-related-grid .problem-card-side .button,
.page-shell-taxonomy .problem-card-side .button,
.page-shell-library .problem-card-side .button {
  align-self: flex-start;
}

.guide-action-row {
  align-items: center;
  gap: 0.7rem;
}

.hero-panel-copy {
  margin-top: 1rem;
  color: var(--ink-soft);
  line-height: 1.7;
  max-width: 34rem;
}

.guide-pill-link {
  text-decoration: none;
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.guide-pill-link:hover,
.guide-pill-link:focus-visible {
  border-color: rgba(22, 163, 74, 0.24);
  background: rgba(22, 163, 74, 0.08);
  color: var(--primary-strong);
}

.guide-pill-link.is-featured {
  border-color: rgba(15, 118, 110, 0.18);
  background: rgba(15, 118, 110, 0.08);
  color: #0f766e;
}

.guide-pill-link.is-featured:hover,
.guide-pill-link.is-featured:focus-visible {
  border-color: rgba(15, 118, 110, 0.28);
  background: rgba(15, 118, 110, 0.12);
  color: #115e59;
}

.section-compact .detail-related-grid {
  margin-top: 1.35rem;
}

.section-compact .problem-tags {
  margin-top: 1.1rem;
}

.section-compact .value-card {
  padding: 1.15rem;
  border-radius: var(--it-radius);
}

.page-shell-taxonomy .value-card {
  padding: 1rem;
  gap: 0.75rem;
}

.page-shell-taxonomy .value-card .button {
  margin-top: auto;
}

.admin-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 1rem;
}

.admin-hero-card h1 {
  font-size: clamp(2.1rem, 4.4vw, 4rem);
  line-height: 1;
}

.admin-hero-points {
  margin: 1.4rem 0 0;
}

.admin-hero-points span {
  list-style: none;
}

.admin-auth-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.admin-metrics-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 1.65rem;
}

.admin-metric-card {
  display: grid;
  gap: 0.55rem;
}

.admin-metric-card strong {
  font-size: 1.8rem;
}

.admin-metric-card p {
  margin: 0;
  color: var(--ink-soft);
}

.admin-status-stack {
  display: grid;
  gap: 0.45rem;
}

.admin-status-stack span {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 2rem;
  padding: 0 0.72rem;
  border-radius: 999px;
  background: rgba(28, 25, 23, 0.06);
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.admin-backlog-list {
  display: grid;
  gap: 0.85rem;
}

.admin-backlog-item {
  display: grid;
  gap: 0.5rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.78);
}

.admin-backlog-item > strong {
  font-size: 0.98rem;
}

.admin-backlog-item > span {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.admin-backlog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.admin-backlog-meta span,
.admin-backlog-meta a {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--ink-soft);
  font-size: 0.8rem;
}

.admin-backlog-details {
  display: grid;
  gap: 0.55rem;
}

.admin-backlog-details summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--primary-strong);
}

.admin-code-block {
  margin: 0;
  padding: 0.85rem 0.9rem;
  border-radius: 14px;
  background: #0f172a;
  color: #cbd5e1;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.55;
}

.admin-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.6rem;
}

.cms-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.98fr) minmax(0, 1.02fr);
  gap: 1rem;
  margin-top: 1.7rem;
  align-items: start;
}

.cms-form {
  gap: 1rem;
}

.cms-template-shell {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.72);
}

.cms-template-actions {
  display: flex;
  align-items: flex-end;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.cms-form-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.cms-form-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
}

.cms-list-shell {
  display: grid;
  gap: 1rem;
}

.problem-admin-list {
  margin-top: 0;
}

.admin-problem-card {
  gap: 0.85rem;
}

.admin-card {
  display: grid;
  gap: 1rem;
}

.admin-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.admin-card-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.admin-card-head p {
  margin: 0.3rem 0 0;
}

.admin-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.admin-card-grid p {
  display: grid;
  gap: 0.25rem;
  margin: 0;
}

.admin-card-grid strong,
.admin-copy-block strong {
  color: var(--ink);
  font-size: 0.9rem;
}

.admin-copy-block {
  display: grid;
  gap: 0.45rem;
}

.admin-copy-block p {
  margin: 0;
}

.admin-edit-grid {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1rem;
}

.admin-card-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.admin-report-details {
  border-top: 1px solid var(--line);
  margin-top: 1rem;
  padding-top: 1rem;
}

.admin-report-details summary {
  cursor: pointer;
  font-weight: 700;
}

.admin-report-table-wrap {
  margin-top: 0.85rem;
  overflow-x: auto;
}

.admin-report-table {
  border-collapse: collapse;
  min-width: 720px;
  width: 100%;
}

.admin-report-table th,
.admin-report-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.admin-report-table th {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.team-report-highlight {
  display: grid;
  grid-template-columns: minmax(150px, 0.34fr) minmax(0, 1fr) minmax(240px, 0.7fr);
  gap: 1rem;
  align-items: stretch;
  padding: 1rem;
  border: 1px solid rgba(21, 128, 61, 0.12);
  border-radius: var(--it-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 247, 0.92)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.36), transparent 72%);
}

.team-report-highlight-risk {
  border-color: rgba(220, 38, 38, 0.14);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 247, 247, 0.94)),
    linear-gradient(135deg, rgba(254, 226, 226, 0.42), transparent 72%);
}

.team-report-highlight-review {
  border-color: rgba(180, 83, 9, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 251, 235, 0.94)),
    linear-gradient(135deg, rgba(254, 215, 170, 0.34), transparent 72%);
}

.team-report-score,
.team-report-summary,
.team-report-recommendations {
  display: grid;
  align-content: start;
  gap: 0.45rem;
  min-width: 0;
}

.team-report-score {
  justify-items: start;
  padding: 0.9rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.82);
}

.team-report-score span,
.team-report-score small {
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
}

.team-report-score strong {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1;
}

.team-report-summary strong,
.team-report-recommendations strong,
.team-member-action strong {
  color: var(--ink);
}

.team-report-summary p {
  margin: 0;
}

.team-report-highlight-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.team-report-highlight-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.72rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 800;
}

.team-report-recommendations ul {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1rem;
  color: var(--ink-soft);
  line-height: 1.5;
}

.team-member-action {
  display: grid;
  gap: 0.25rem;
  min-width: 220px;
}

.team-member-action span {
  color: var(--ink-soft);
  line-height: 1.45;
}

.team-member-action a {
  color: var(--primary-strong);
  font-weight: 800;
  text-decoration: none;
}

@media print {
  body {
    background: #ffffff;
  }

  .page-shell-admin-report {
    width: 100%;
    max-width: none;
    padding: 0;
  }

  .page-shell-admin-report .admin-hero-card,
  .page-shell-admin-report .admin-card {
    break-inside: avoid;
    border: 1px solid #d7dee8;
    box-shadow: none;
  }

  .page-shell-admin-report .button {
    display: none;
  }

  .page-shell-admin-report .team-report-highlight {
    grid-template-columns: 1fr;
    background: #ffffff;
  }

  .page-shell-admin-report .admin-report-table {
    min-width: 0;
    font-size: 0.82rem;
  }
}

.admin-role-review-toolbar {
  margin-bottom: 1rem;
}

.admin-role-review-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.admin-role-preset-chip {
  border-color: rgba(185, 28, 28, 0.12);
  background: linear-gradient(135deg, rgba(255, 245, 245, 0.96), rgba(255, 255, 255, 0.92));
}

.admin-role-preset-copy {
  display: grid;
  gap: 0.08rem;
}

.admin-role-preset-copy small {
  color: var(--ink-soft);
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.35;
}

.admin-role-preset-chip.is-active .admin-role-preset-copy small {
  color: rgba(248, 250, 252, 0.82);
}

.admin-role-preset-chip.is-active {
  border-color: rgba(185, 28, 28, 0.24);
  box-shadow: 0 10px 24px rgba(185, 28, 28, 0.1);
}

.admin-role-urgent-focus-chip {
  border-color: rgba(185, 28, 28, 0.12);
  background: rgba(255, 250, 250, 0.94);
}

.admin-role-urgent-focus-chip.is-active {
  border-color: rgba(185, 28, 28, 0.24);
  background: linear-gradient(135deg, rgba(185, 28, 28, 0.92), rgba(249, 115, 22, 0.9));
  color: #fff7ed;
}

.admin-role-review-card {
  padding: 1rem 1.1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.92));
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

.admin-role-review-section {
  display: grid;
  gap: 1rem;
}

.admin-role-review-section.is-spotlight .admin-role-review-section-head {
  border-color: rgba(185, 28, 28, 0.16);
  background: linear-gradient(135deg, rgba(255, 245, 245, 0.96), rgba(255, 255, 255, 0.92));
}

.admin-role-review-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.86);
}

.admin-role-review-section-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
}

.admin-role-review-section-head p {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.admin-role-review-section-aside {
  display: grid;
  justify-items: end;
  gap: 0.7rem;
}

.admin-role-review-section-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.admin-role-review-section-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.admin-role-review-section-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0 0.7rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
}

.admin-role-review-section-list {
  display: grid;
  gap: 1rem;
}

.admin-role-review-empty-state {
  display: grid;
  gap: 0.85rem;
  border: 1px dashed rgba(185, 28, 28, 0.2);
  background: rgba(255, 255, 255, 0.84);
}

.admin-role-review-empty-action {
  justify-self: start;
}

.admin-role-review-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-role-review-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.admin-role-next-step {
  padding: 0.95rem 1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: linear-gradient(135deg, rgba(240, 249, 255, 0.78), rgba(255, 255, 255, 0.82));
}

.admin-role-next-step p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.admin-role-priority-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.admin-role-priority-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
}

.admin-role-priority-chip.is-notes {
  background: rgba(30, 64, 175, 0.12);
  color: #1d4ed8;
}

.admin-role-priority-chip.is-missing {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
}

.admin-role-priority-chip.is-warning {
  background: rgba(185, 28, 28, 0.12);
  color: #b91c1c;
}

.admin-role-note-pill.is-complete {
  background: rgba(21, 128, 61, 0.12);
  color: #166534;
}

.admin-role-note-pill.is-missing {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
}

.admin-role-review-status-pill.is-pending {
  background: rgba(15, 23, 42, 0.08);
  color: #334155;
}

.admin-role-review-status-pill.is-in_review {
  background: rgba(30, 64, 175, 0.12);
  color: #1d4ed8;
}

.admin-role-review-status-pill.is-reviewed {
  background: rgba(21, 128, 61, 0.12);
  color: #166534;
}

.admin-role-priority-pill.is-urgent {
  background: rgba(185, 28, 28, 0.12);
  color: #b91c1c;
}

.admin-role-priority-pill.is-normal {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
}

.admin-role-priority-pill.is-stable {
  background: rgba(21, 128, 61, 0.12);
  color: #166534;
}

.admin-role-urgent-signal-pill.is-danger {
  background: rgba(185, 28, 28, 0.14);
  color: #b91c1c;
}

.admin-role-urgent-signal-pill.is-warning {
  background: rgba(180, 83, 9, 0.14);
  color: #b45309;
}

.admin-role-urgent-signal-pill.is-ready {
  background: rgba(21, 128, 61, 0.14);
  color: #166534;
}

.admin-role-review-meta,
.admin-role-override-grid {
  display: grid;
  gap: 0.9rem;
}

.admin-role-notes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.admin-role-note-item {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem 0.9rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.78);
}

.admin-role-note-item span {
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 800;
}

.admin-role-note-item p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.admin-role-review-meta {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-role-override-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-role-problem-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.admin-role-problem-list li {
  display: grid;
  grid-template-columns: 2rem minmax(110px, 140px) minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.84);
}

.admin-role-problem-copy {
  display: grid;
  gap: 0.45rem;
}

.admin-role-problem-list code {
  color: var(--primary-strong);
  font-size: 0.84rem;
  font-weight: 700;
}

.admin-role-problem-list b {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.45;
}

.admin-role-mini-badges,
.admin-role-impact-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.admin-role-mini-badge,
.admin-role-impact-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.6rem;
  padding: 0 0.58rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.admin-role-mini-badge.is-pinned,
.admin-role-impact-chip.is-pinned {
  background: rgba(21, 128, 61, 0.12);
  color: #166534;
}

.admin-role-mini-badge.is-auto,
.admin-role-impact-chip.is-auto {
  background: rgba(15, 23, 42, 0.08);
  color: #334155;
}

.admin-role-mini-badge.is-conflict,
.admin-role-impact-chip.is-conflict {
  background: rgba(185, 28, 28, 0.12);
  color: #b91c1c;
}

.admin-role-impact-chip.is-excluded {
  background: rgba(30, 64, 175, 0.12);
  color: #1d4ed8;
}

.admin-role-impact-chip.is-warning {
  background: rgba(180, 83, 9, 0.12);
  color: #b45309;
}

.admin-inline-status {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.admin-inline-status.is-info {
  color: var(--ink-soft);
}

.admin-inline-status.is-success {
  color: #0f766e;
}

.admin-inline-status.is-error {
  color: #b91c1c;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .hero,
  .page-shell-subpage .hero,
  .page-shell-auth .hero,
  .page-shell-solutions .hero,
  .security-spotlight-card,
  .section-heading,
  .board-controls,
  .intake-grid,
  .detail-grid,
  .admin-hero-grid,
  .cms-grid,
  .admin-edit-grid {
    grid-template-columns: 1fr;
  }

  .hero-track-rail-head,
  .hero-track-item,
  .plan-head,
  .admin-card-head,
  .admin-role-review-actions,
  .admin-role-review-toolbar-actions {
    align-items: flex-start;
  }

  .category-overview-grid,
  .quick-intent-grid,
  .security-focus-grid,
  .value-grid,
  .workflow-grid,
  .admin-metrics-grid,
  .admin-role-notes-grid,
  .admin-role-review-meta,
  .audience-grid,
  .track-grid,
  .plan-grid,
  .recommend-grid,
  .detail-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-split-grid,
  .admin-card-grid,
  .team-report-highlight,
  .admin-role-review-grid,
  .admin-role-override-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .three-columns,
  .four-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 840px) {
  .page-shell {
    width: min(var(--max-width), calc(100% - 1rem));
  }

  .library-benchmark-grid,
  .library-card-head,
  .library-view-toolbar,
  .detail-grid,
  .page-shell-detail .detail-grid {
    grid-template-columns: 1fr;
  }

  .library-card-head,
  .library-view-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .library-view-toggle {
    width: 100%;
  }

  .library-view-toggle button {
    flex: 1 1 0;
  }

  .hero-actions,
  .hero-points,
  .footer,
  .admin-role-review-actions,
  .admin-role-review-toolbar-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .admin-role-notes-grid {
    grid-template-columns: 1fr;
  }

  .admin-role-review-section-aside {
    width: 100%;
    justify-items: stretch;
  }

  .admin-role-review-section-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .admin-role-review-section-actions .button,
  .admin-role-review-empty-action {
    width: 100%;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
    border-radius: var(--it-radius);
    gap: 0.7rem;
    padding: 0.85rem 0.9rem;
  }

  .nav {
    width: 100%;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    gap: 0.45rem;
    padding-bottom: 0.1rem;
    scrollbar-width: none;
  }

  .nav a {
    flex: 0 0 auto;
    min-height: 2.35rem;
    padding: 0 0.78rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.82);
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .topbar-utility {
    justify-content: flex-start;
  }

  .topbar-profile-panel {
    left: 0;
    right: auto;
    min-width: min(260px, calc(100vw - 2rem));
  }

  .topbar-mobile-nav.is-mobile-nav-ready {
    display: flex;
    flex-wrap: wrap;
    position: relative;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.65rem 0.55rem;
    padding-right: 5.6rem;
  }

  .topbar-mobile-nav[data-mobile-nav-open="true"] {
    z-index: 43;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .brand {
    order: 1;
    flex: 1 1 100%;
    min-width: 0;
    gap: 0.7rem;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .topbar-utility {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    justify-content: flex-start;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .topbar-menu-toggle {
    display: inline-flex;
    order: 2;
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    z-index: 44;
    min-width: fit-content;
    white-space: nowrap;
    border-color: rgba(20, 83, 45, 0.18);
    background-color: #14532d;
    background-image: linear-gradient(135deg, #14532d 0%, #16a34a 100%);
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(20, 83, 45, 0.22);
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav {
    display: none;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav::-webkit-scrollbar {
    display: none;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav::before {
    content: "메뉴";
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav.is-mobile-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav a {
    width: 100%;
    justify-content: flex-start;
    min-height: 2.9rem;
    padding: 0 0.95rem;
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(248, 250, 252, 0.96);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav a[aria-current="page"] {
    border-color: rgba(21, 128, 61, 0.22);
    background: rgba(220, 252, 231, 0.8);
  }

  .mobile-nav-drawer {
    position: fixed;
    top: 0.75rem;
    right: 0.75rem;
    bottom: 0.75rem;
    width: min(21rem, calc(100vw - 1.5rem));
    display: grid;
    grid-template-rows: auto auto minmax(0, 1fr) auto;
    gap: 0.85rem;
    padding: 1rem;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: var(--it-radius);
    background: rgba(255, 255, 255, 0.99);
    box-shadow: 0 26px 52px rgba(15, 23, 42, 0.22);
    opacity: 0;
    pointer-events: none;
    transform: translateX(calc(100% + 1.5rem));
    transition:
      opacity 180ms ease,
      transform 180ms ease;
    z-index: 42;
  }

  .mobile-nav-drawer.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateX(0);
  }

  .mobile-nav-drawer-head,
  .mobile-nav-drawer-intro,
  .mobile-nav-drawer-current,
  .mobile-nav-drawer-scroll,
  .mobile-nav-drawer-section,
  .mobile-nav-drawer-list,
  .mobile-nav-drawer-account,
  .mobile-nav-drawer-account-actions {
    display: grid;
  }

  .mobile-nav-drawer-head,
  .mobile-nav-drawer-intro,
  .mobile-nav-drawer-current,
  .mobile-nav-drawer-section,
  .mobile-nav-drawer-account {
    gap: 0.5rem;
  }

  .mobile-nav-drawer-kicker,
  .mobile-nav-drawer-section-label,
  .mobile-nav-drawer-current-label {
    margin: 0;
    color: var(--brand);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .mobile-nav-drawer-title,
  .mobile-nav-drawer-current-title {
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 1.14rem;
    line-height: 1.18;
  }

  .mobile-nav-drawer-summary,
  .mobile-nav-drawer-current-note,
  .mobile-nav-drawer-account-meta {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
    line-height: 1.55;
    overflow-wrap: anywhere;
  }

  .mobile-nav-drawer-current {
    padding: 0.95rem 1rem;
    border: 1px solid rgba(21, 128, 61, 0.14);
    border-radius: var(--it-radius);
    background:
      linear-gradient(180deg, rgba(240, 253, 244, 0.96), rgba(255, 255, 255, 0.98)),
      linear-gradient(135deg, rgba(21, 128, 61, 0.08), transparent 70%);
  }

  .mobile-nav-drawer-scroll {
    gap: 0.9rem;
    min-height: 0;
    overflow-y: auto;
    padding-right: 0.15rem;
    scrollbar-width: none;
  }

  .mobile-nav-drawer-scroll::-webkit-scrollbar {
    display: none;
  }

  .mobile-nav-drawer-list,
  .mobile-nav-drawer-account-actions {
    gap: 0.55rem;
  }

  .mobile-nav-drawer-link,
  .mobile-nav-drawer-action {
    display: inline-flex;
    align-items: center;
    width: 100%;
    min-height: 2.9rem;
    padding: 0 0.95rem;
    border-radius: var(--it-radius);
    border: 1px solid rgba(148, 163, 184, 0.18);
    background: rgba(248, 250, 252, 0.96);
    color: var(--ink);
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  }

  .mobile-nav-drawer-link[aria-current="page"] {
    border-color: rgba(21, 128, 61, 0.22);
    background: rgba(220, 252, 231, 0.8);
    color: var(--primary-strong);
  }

  .mobile-nav-drawer-action-ghost {
    justify-content: center;
    border-color: rgba(21, 128, 61, 0.18);
    background: rgba(21, 128, 61, 0.05);
    color: var(--primary-strong);
    font-family: inherit;
    cursor: pointer;
  }

  .mobile-nav-drawer-account {
    padding-top: 0.15rem;
    border-top: 1px solid rgba(148, 163, 184, 0.18);
  }

  .hero-copy,
  .section,
  .detail-hero-panel,
  .detail-card,
  .admin-hero-card,
  .admin-auth-card,
  .admin-card {
    padding: 1.3rem;
  }

  .page-shell-subpage .hero-copy,
  .page-shell-subpage .hero-panel {
    padding: 1.15rem;
  }

  .page-shell-library .hero-panel,
  .page-shell-guides .hero-panel,
  .page-shell-hubs .hero-panel,
  .page-shell-taxonomy .hero-panel {
    display: none;
  }

  .page-shell-library .library-tools {
    padding: 0.85rem;
  }

  .hero-mini-grid,
  .hero-signal-grid,
  .stats-strip,
  .quick-intent-grid,
  .category-overview-grid,
  .security-focus-grid,
  .value-grid,
  .audience-grid,
  .track-grid,
  .plan-grid,
  .recommend-grid,
  .workflow-grid,
  .detail-split-grid,
  .detail-related-grid,
  .admin-metrics-grid,
  .social-auth-grid,
  .admin-card-grid,
  .team-report-highlight,
  .admin-role-review-grid,
  .admin-role-review-meta,
  .admin-role-override-grid,
  .two-columns,
  .three-columns,
  .four-columns {
    grid-template-columns: 1fr;
  }

  .problem-card-list {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .problem-card-brief {
    grid-template-columns: 1fr;
  }

  .problem-card-footer,
  .problem-card-side,
  .problem-card-side-top {
    justify-content: flex-start;
    align-items: flex-start;
  }

  .problem-card-side-meta {
    justify-content: flex-start;
  }

  .problem-card-main h3 {
    font-size: 1.1rem;
  }

  .page-shell-detail .detail-hero-panel,
  .page-shell-detail .detail-card {
    padding: 1.05rem;
  }

  .page-shell-detail .detail-meta-row {
    gap: 0.45rem;
  }

  .page-shell-detail .detail-inline-actions .button {
    width: 100%;
    justify-content: center;
  }

  .page-shell-detail .detail-level-path-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-shell-detail .detail-level-path-actions .button {
    width: 100%;
    justify-content: center;
  }

  .detail-meta-row,
  .footer-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy h1,
  .page-shell-landing .hero-copy h1,
  .page-shell-subpage .hero-copy h1 {
    font-size: clamp(1.9rem, 8vw, 2.7rem);
  }

  .section-heading {
    gap: 0.75rem;
  }

  .page-shell-library .level-distribution-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-shell-learning .cms-grid {
    grid-template-columns: 1fr;
  }

  .page-shell-learning .admin-hero-points {
    margin-top: 1rem;
  }

  body {
    overflow-x: hidden;
  }

  .topbar {
    top: 0.45rem;
    border-color: rgba(226, 232, 240, 0.92);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: none;
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.12);
  }

  .topbar-mobile-nav {
    position: relative;
    padding-right: 5.6rem;
  }

  .topbar-mobile-nav .topbar-menu-toggle {
    display: inline-flex;
    position: absolute;
    top: 0.9rem;
    right: 0.9rem;
    z-index: 44;
    min-width: fit-content;
    white-space: nowrap;
    border-color: rgba(20, 83, 45, 0.18);
    background-color: #14532d;
    background-image: linear-gradient(135deg, #14532d 0%, #16a34a 100%);
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(20, 83, 45, 0.22);
  }

  .mobile-filter-toolbar {
    display: flex;
  }

  .mobile-filter-applied:not([hidden]) {
    display: flex;
  }

  .mobile-filter-scrim {
    display: block;
  }

  body.has-mobile-nav-open .mobile-nav-scrim {
    display: block;
  }

  .page-shell-library .library-tools,
  .page-shell-taxonomy .library-tools {
    position: static;
    top: auto;
    z-index: auto;
  }

  .page-shell-library .library-filter-bar {
    display: none;
  }

  .page-shell-library .mobile-filter-sheet,
  .page-shell-taxonomy .mobile-filter-sheet {
    position: fixed;
    inset: 0;
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 0;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.99);
    box-shadow: none;
    opacity: 0;
    pointer-events: none;
    transform: translateY(100%);
    transition: none;
    z-index: 40;
  }

  .page-shell-library .hero-copy,
  .page-shell-library .section,
  .page-shell-taxonomy .hero-copy,
  .page-shell-taxonomy .section,
  .page-shell-learning .admin-hero-card,
  .page-shell-learning .admin-auth-card,
  .page-shell-learning .section,
  .page-shell-detail .detail-hero-panel,
  .page-shell-detail .detail-card {
    animation: none;
    transform: none;
    backdrop-filter: none;
    opacity: 1;
  }

  .page-shell-library .mobile-filter-sheet.is-open,
  .page-shell-taxonomy .mobile-filter-sheet.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .page-shell-library .mobile-filter-sheet-head,
  .page-shell-library .mobile-filter-sheet-foot,
  .page-shell-taxonomy .mobile-filter-sheet-head,
  .page-shell-taxonomy .mobile-filter-sheet-foot {
    display: grid;
    gap: 0.75rem;
    padding: 0.95rem 1rem;
    background: rgba(255, 255, 255, 0.99);
  }

  .page-shell-library .mobile-filter-sheet-head,
  .page-shell-taxonomy .mobile-filter-sheet-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    border-bottom: 1px solid rgba(226, 232, 240, 0.92);
  }

  .page-shell-library .mobile-filter-sheet-foot,
  .page-shell-taxonomy .mobile-filter-sheet-foot {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid rgba(226, 232, 240, 0.92);
    padding-bottom: calc(0.95rem + env(safe-area-inset-bottom, 0px));
  }

  .page-shell-library .mobile-filter-sheet-body,
  .page-shell-taxonomy .mobile-filter-sheet-body {
    display: grid;
    align-content: start;
    gap: 0.85rem;
    overflow-y: auto;
    padding: 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  }

  .page-shell-library .mobile-filter-toolbar,
  .page-shell-taxonomy .mobile-filter-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .page-shell-library .mobile-filter-toolbar-actions,
  .page-shell-taxonomy .mobile-filter-toolbar-actions {
    justify-content: space-between;
  }

  .page-shell-library .mobile-filter-toolbar-sort,
  .page-shell-library .mobile-filter-toolbar-sort select,
  .page-shell-taxonomy .mobile-filter-toolbar-actions > * {
    flex: 1 1 auto;
  }

  .page-shell-library .board-controls {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 0;
  }

  .page-shell-library .board-controls > * {
    min-width: 0;
  }

  .page-shell-library .library-search-field {
    order: 1;
  }

  .page-shell-library .library-category-tabs {
    order: 2;
    display: flex;
    flex-wrap: wrap;
  }

  .page-shell-library .library-role-field {
    order: 3;
  }

  .page-shell-library #problem-role-filter-hint {
    order: 4;
    margin: -0.1rem 0 0;
  }

  .page-shell-library .library-vendor-field {
    order: 5;
  }

  .page-shell-library .library-certification-field {
    order: 6;
  }

  .page-shell-library .library-response-type-field {
    order: 7;
  }

  .page-shell-library .library-sort-field,
  .page-shell-library .level-distribution-grid,
  .page-shell-taxonomy .problem-level-distribution {
    display: none;
  }

  .page-shell-library .security-filter-bar,
  .page-shell-taxonomy .security-filter-bar {
    margin-top: 0;
  }

  .page-shell-library .security-filter-chips,
  .page-shell-taxonomy .security-filter-chips {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .page-shell-library .security-filter-chip,
  .page-shell-taxonomy .security-filter-chip {
    width: 100%;
    min-height: 2.8rem;
    justify-content: space-between;
    padding: 0.5rem 0.78rem;
  }

  .page-shell-library .board-meta {
    margin-top: 0;
  }

  .page-shell-library .board-meta .legend {
    display: none;
  }

  .page-shell-learning .page-main,
  .page-shell-detail .page-main {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
  }

  .page-shell-learning .admin-hero-card > p:not(.eyebrow):not(.form-note) {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .page-shell-learning .admin-hero-points {
    display: none;
  }

  .page-shell-learning #learning-auth-section {
    order: 1;
  }

  .page-shell-learning #learning-quick-start {
    order: 2;
  }

  .page-shell-learning #learning-dashboard {
    order: 3;
  }

  .page-shell-learning #learning-weakness {
    order: 4;
  }

  .page-shell-learning #learning-next {
    order: 5;
  }

  .page-shell-learning #learning-level-paths {
    order: 6;
  }

  .page-shell-learning #learning-role-paths {
    order: 7;
  }

  .page-shell-learning #learning-attempts {
    order: 8;
  }

  .page-shell-learning #learning-notebook {
    order: 9;
  }

  .page-shell-learning #learning-orders {
    order: 10;
  }

  .page-shell-learning .learning-role-family-filters {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.55rem;
    overflow-x: auto;
    padding-bottom: 0.12rem;
    scrollbar-width: none;
  }

  .page-shell-learning .learning-role-family-filters::-webkit-scrollbar {
    display: none;
  }

  .page-shell-learning .learning-role-family-chip {
    flex: 0 0 auto;
  }

  .page-shell-learning .learning-quick-card .button,
  .page-shell-learning .recommend-card .button,
  .page-shell-learning .admin-card .button,
  .page-shell-learning .value-card .button {
    width: 100%;
    justify-content: center;
  }

  .page-shell-detail .detail-grid {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
  }

  .page-shell-detail .detail-main-stack,
  .page-shell-detail .detail-side-stack,
  .page-shell-detail .detail-split-grid,
  .page-shell-detail .detail-editorial-grid {
    display: contents;
  }

  .page-shell-detail .detail-story-card {
    order: 1;
  }

  #problem-goals-card {
    order: 3;
  }

  #problem-checklist-card {
    order: 4;
  }

  #problem-answer-card {
    order: 2;
    position: static;
  }

  #problem-hints-card {
    order: 5;
  }

  #problem-practice-card {
    order: 6;
  }

  #problem-viewer-state-card {
    order: 7;
  }

  #problem-recovery-card {
    order: 8;
  }

  #problem-level-path-card {
    order: 9;
  }

  #problem-role-path-card {
    order: 10;
  }

  #problem-guide-card {
    order: 11;
  }

  #problem-taxonomy-card {
    order: 12;
  }

  #problem-focus-card {
    order: 13;
  }

  #problem-track-card {
    order: 14;
  }

  #problem-vendor-caution-card {
    order: 15;
  }

  #problem-solution-card {
    order: 16;
  }

  #problem-search-intent-card {
    order: 17;
  }

  #problem-misdiagnosis-card {
    order: 18;
  }

  #problem-field-tip-card {
    order: 19;
  }

  #problem-faq-card {
    order: 20;
  }

  #problem-note-card {
    order: 21;
  }

  .page-shell-detail .detail-inline-actions,
  .page-shell-detail .attempt-feedback-support {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .page-shell-detail .attempt-feedback-cta-grid {
    grid-template-columns: 1fr;
  }

  .page-shell-detail .problem-tags,
  .page-shell-detail .detail-track-meta,
  .page-shell-detail .detail-meta-row {
    gap: 0.45rem;
  }

  .page-shell-detail .detail-card-mobile-accordion-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 2.8rem;
    padding: 0.78rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: rgba(248, 250, 252, 0.96);
    color: var(--ink);
    font-weight: 700;
    cursor: pointer;
  }

  .page-shell-detail .detail-card-mobile-accordion-toggle::after {
    content: "▾";
    font-size: 0.95rem;
    transition: transform 180ms ease;
  }

  .page-shell-detail .is-mobile-collapsible[data-mobile-accordion-expanded="false"] .detail-card-mobile-accordion-toggle::after {
    transform: rotate(-90deg);
  }

  .page-shell-detail .detail-card-mobile-accordion-body {
    display: grid;
    gap: 0.8rem;
  }

  .page-shell-detail .is-mobile-collapsible[data-mobile-accordion-expanded="false"] .detail-card-mobile-accordion-body {
    display: none;
  }

  .section-heading p:last-child,
  .page-shell-subpage .hero-description {
    max-width: 100%;
  }
}

.detail-inline-meta,
.detail-inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.detail-inline-meta {
  margin: 1rem 0 1.1rem;
}

.detail-inline-actions {
  margin-top: 1rem;
}

.problem-brief-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 0.9rem;
  margin-top: 1.15rem;
  align-items: stretch;
}

.problem-brief-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.problem-brief-card {
  display: grid;
  gap: 0.42rem;
  align-content: start;
  min-width: 0;
  min-height: 7.4rem;
  padding: 0.9rem 0.95rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 247, 250, 0.94)),
    linear-gradient(135deg, rgba(187, 247, 208, 0.24), transparent 72%);
}

.problem-brief-card-primary {
  min-height: 100%;
  padding: 1.05rem 1.1rem;
  border-color: rgba(21, 128, 61, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(240, 253, 244, 0.94)),
    linear-gradient(135deg, rgba(187, 247, 208, 0.36), transparent 74%);
}

.problem-brief-card span {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-strong);
}

.problem-brief-card strong {
  color: var(--ink);
  line-height: 1.45;
  font-size: 0.98rem;
  overflow-wrap: anywhere;
}

.problem-brief-card-primary strong {
  max-width: 58ch;
  font-family: var(--font-display);
  font-size: clamp(1.08rem, 1.7vw, 1.28rem);
  line-height: 1.42;
}

.problem-brief-card p {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.problem-answer-form {
  display: grid;
  gap: 0.9rem;
}

.problem-answer-contract-note {
  display: grid;
  gap: 0.32rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--it-radius);
  border: 1px solid rgba(37, 99, 235, 0.12);
  background: rgba(239, 246, 255, 0.72);
}

.problem-answer-contract-note strong {
  color: var(--ink);
  font-family: var(--font-display);
}

.problem-answer-contract-note p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.problem-choice-group {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.problem-choice-group legend {
  padding: 0;
  color: var(--ink);
  font-weight: 800;
}

.problem-choice-guide {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.6;
}

.problem-choice-list {
  display: grid;
  gap: 0.8rem;
}

.problem-choice-option {
  display: grid;
  gap: 0.7rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.94);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
  cursor: pointer;
}

.problem-choice-option:hover,
.problem-choice-option:focus-within {
  border-color: rgba(22, 163, 74, 0.26);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.problem-choice-option.is-selected {
  border-color: rgba(37, 99, 235, 0.26);
  background: rgba(239, 246, 255, 0.84);
}

.problem-choice-option.is-selected-correct {
  border-color: rgba(21, 128, 61, 0.28);
  background: linear-gradient(180deg, rgba(240, 253, 244, 0.95), rgba(255, 255, 255, 0.96));
}

.problem-choice-option.is-selected-incorrect {
  border-color: rgba(180, 83, 9, 0.22);
  background: linear-gradient(180deg, rgba(255, 247, 237, 0.96), rgba(255, 255, 255, 0.96));
}

.problem-choice-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: flex-start;
}

.problem-choice-input {
  width: 1.2rem;
  height: 1.2rem;
  min-height: 1.2rem;
  margin: 0.15rem 0 0;
  accent-color: #2563eb;
}

.problem-choice-copy {
  display: grid;
  gap: 0.24rem;
  min-width: 0;
}

.problem-choice-copy strong {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.problem-choice-review {
  display: grid;
  gap: 0.45rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--it-radius);
  background: rgba(15, 23, 42, 0.04);
}

.problem-choice-option.is-selected-correct .problem-choice-review {
  background: rgba(21, 128, 61, 0.08);
}

.problem-choice-option.is-selected-incorrect .problem-choice-review {
  background: rgba(180, 83, 9, 0.08);
}

.problem-choice-review p {
  margin: 0;
  line-height: 1.6;
}

.problem-choice-review-body {
  color: var(--ink);
  font-weight: 700;
}

.problem-choice-review-rationale {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.problem-choice-review-tag {
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 700;
}

.attempt-feedback,
.hint-card,
.detail-state-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card-muted);
}

.attempt-feedback {
  margin-top: 1rem;
  padding: 1rem 1.05rem;
}

.attempt-feedback-head,
.hint-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.attempt-feedback-head strong,
.hint-card-head strong,
.detail-state-card strong {
  font-family: var(--font-display);
}

.hint-list {
  display: grid;
  gap: 0.9rem;
}

.hint-card {
  padding: 1rem 1.05rem;
}

.hint-card.is-open {
  border-color: rgba(21, 128, 61, 0.28);
  background: rgba(21, 128, 61, 0.08);
}

.hint-card.is-advanced:not(.is-open),
.detail-pro-card.is-locked {
  border-color: rgba(180, 83, 9, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 251, 235, 0.94)),
    linear-gradient(135deg, rgba(254, 215, 170, 0.34), transparent 74%);
}

.hint-card p,
.detail-state-card span,
.attempt-feedback p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
}

.detail-pro-card {
  display: grid;
  gap: 0.75rem;
}

.detail-pro-card p {
  margin: 0;
}

.pro-lock-body {
  display: grid;
  gap: 0.9rem;
}

.signal-bullets.compact {
  gap: 0.55rem;
  margin: 0;
}

.signal-bullets.compact li {
  padding: 0.72rem 0.82rem;
  line-height: 1.48;
}

.attempt-feedback-cta {
  display: grid;
  gap: 0.95rem;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid rgba(21, 128, 61, 0.12);
  border-radius: var(--it-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(247, 250, 247, 0.92)),
    linear-gradient(135deg, rgba(217, 251, 225, 0.44), transparent 72%);
}

/* Problem workbench redesign */
.page-shell-detail {
  --workbench-line: rgba(15, 23, 42, 0.12);
  --workbench-panel: rgba(255, 255, 255, 0.96);
  --workbench-rail: #f7f8fb;
}

.page-shell-detail .topbar {
  border-radius: 0;
  border-color: var(--line);
  box-shadow: none;
}

.page-shell-detail .detail-hero-panel,
.page-shell-detail .detail-card,
.page-shell-detail .problem-assist-card,
.page-shell-detail .problem-session-card {
  border: 1px solid var(--workbench-line);
  border-radius: 8px;
  background: var(--workbench-panel);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  backdrop-filter: none;
}

.page-shell-detail .detail-hero-panel {
  padding: 1.55rem 1.75rem;
}

.page-shell-detail .detail-header h1 {
  max-width: 30ch;
  font-size: clamp(2.15rem, 3.15vw, 3.25rem);
  line-height: 1.08;
}

.page-shell-detail .detail-grid {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 420px);
  gap: 1.35rem;
}

.page-shell-detail .detail-main-stack {
  gap: 1.25rem;
}

.page-shell-detail .detail-story-card,
.page-shell-detail .detail-practice-card {
  padding: 1.55rem 1.75rem;
}

.page-shell-detail .detail-story-card {
  position: relative;
  z-index: 1;
  height: auto;
  max-height: none;
  overflow: visible;
}

.page-shell-detail .detail-story-card h2,
.page-shell-detail .detail-practice-card h2 {
  font-size: clamp(1.7rem, 2.1vw, 2.55rem);
}

.page-shell-detail .detail-story-card #problem-scenario {
  display: block;
  margin: 0;
  padding: 1.35rem 1.45rem;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: #f7f8fb;
  color: #111827;
  font-size: clamp(1.02rem, 1.25vw, 1.18rem);
  line-height: 1.85;
  height: auto;
  max-height: none;
  overflow: visible;
  overflow-wrap: anywhere;
  word-break: keep-all;
  white-space: normal;
  -webkit-line-clamp: unset;
  -webkit-box-orient: initial;
}

.page-shell-detail .detail-core-grid .detail-card {
  min-height: 13rem;
}

.page-shell-detail .detail-answer-card {
  padding: 1.35rem;
  border-color: rgba(3, 70, 49, 0.18);
}

.page-shell-detail #problem-answer-card {
  top: 5.7rem;
}

.problem-session-card {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 5.7rem;
  z-index: 2;
  padding: 1.25rem 1.35rem;
  background: var(--workbench-rail);
}

.problem-session-card h2 {
  margin: -0.4rem 0 0;
  color: #064e3b;
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0;
}

.problem-session-nav {
  display: grid;
  gap: 0.45rem;
}

.problem-session-nav a {
  display: flex;
  align-items: center;
  min-height: 3rem;
  padding: 0 0.95rem;
  border-left: 3px solid transparent;
  border-radius: 8px;
  color: #5b6472;
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.problem-session-nav a:hover,
.problem-session-nav a:focus-visible,
.problem-session-nav a.is-active {
  border-left-color: #047857;
  background: #e9fbf0;
  color: #065f46;
}

.page-shell-detail .problem-brief-panel {
  grid-template-columns: minmax(0, 1fr);
}

.page-shell-detail .problem-brief-facts {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.page-shell-detail .problem-brief-card {
  min-height: 0;
  border-radius: 8px;
  background: #f8fafc;
}

.page-shell-detail .terminal-window {
  border-radius: 8px;
  background: #263244;
  color: #edf7ef;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.14);
}

.page-shell-detail .terminal-window-head {
  min-height: 1.9rem;
  margin: -1rem -1rem 0.45rem;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: #3b4658;
}

.page-shell-detail .terminal-window-head::after {
  content: "Terminal / investigation notes";
  margin-left: auto;
  color: rgba(255, 255, 255, 0.68);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.page-shell-detail .terminal-window-head i {
  background: #9ca3af;
}

.page-shell-detail .terminal-line {
  color: #f8fafc;
  font-size: 0.92rem;
}

.page-shell-detail .practice-tip,
.page-shell-detail .problem-answer-contract-note,
.page-shell-detail .problem-choice-option,
.page-shell-detail .problem-choice-review,
.page-shell-detail .attempt-feedback,
.page-shell-detail .hint-card,
.page-shell-detail .detail-state-card {
  border-radius: 8px;
}

.problem-choice-copy small {
  color: #6b7280;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-shell-detail #problem-answer-card[data-question-type="multiple_choice"],
.page-shell-detail #problem-answer-card[data-question-type="multi_select"] {
  border-color: rgba(37, 99, 235, 0.22);
}

.page-shell-detail #problem-answer-card[data-question-type="practical"] {
  border-color: rgba(15, 118, 110, 0.26);
}

.problem-practical-grid {
  display: grid;
  gap: 0.85rem;
}

.problem-practical-workbench {
  display: grid;
  gap: 0.8rem;
}

.problem-practical-tabs,
.problem-assist-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.problem-practical-tab,
.problem-assist-tab {
  min-height: 2.2rem;
  padding: 0 0.75rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  background: #fff;
  color: #334155;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  cursor: pointer;
}

.problem-practical-tab.is-active,
.problem-assist-tab.is-active {
  border-color: rgba(4, 120, 87, 0.28);
  background: #e9fbf0;
  color: #065f46;
}

.problem-practical-field {
  display: none;
}

.problem-practical-field.is-active {
  display: grid;
}

.problem-practical-field textarea {
  min-height: 7.4rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

.page-shell-detail .detail-answer-card .detail-inline-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.page-shell-detail .detail-answer-card .detail-inline-actions .button {
  width: 100%;
  min-height: 2.85rem;
  border-radius: 8px;
}

.page-shell-detail .detail-answer-card .detail-inline-actions .button[type="submit"] {
  grid-column: 1 / -1;
  min-height: 3.35rem;
  background: #023f2d;
  color: #fff;
  box-shadow: 0 12px 20px rgba(2, 63, 45, 0.22);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-shell-detail .field textarea,
.page-shell-detail .field input,
.page-shell-detail .field select {
  border-radius: 8px;
}

#problem-answer-text-field[hidden],
#problem-answer-dynamic[hidden] {
  display: none !important;
}

.problem-assist-card {
  display: grid;
  gap: 0.9rem;
  padding: 1.1rem;
}

.problem-assist-card[hidden] {
  display: none !important;
}

.problem-assist-head {
  display: grid;
  gap: 0.15rem;
}

.problem-assist-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0;
}

.problem-assist-panel {
  display: grid;
  gap: 0.8rem;
}

.problem-assist-section {
  display: grid;
  gap: 0.75rem;
}

.problem-assist-section > strong {
  color: #0f172a;
  font-size: 0.94rem;
}

.problem-assist-list,
.problem-assist-ordered {
  display: grid;
  gap: 0.55rem;
  margin: 0;
}

.problem-assist-ordered {
  padding-left: 1.25rem;
}

.problem-assist-ordered li {
  color: #334155;
  font-size: 0.9rem;
  line-height: 1.55;
}

.problem-assist-row,
.problem-assist-link {
  display: grid;
  gap: 0.25rem;
  padding: 0.7rem;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  background: #f8fafc;
  color: inherit;
}

.problem-assist-row span,
.problem-assist-link span {
  color: #047857;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.problem-assist-row p,
.problem-assist-link p {
  margin: 0;
  color: #334155;
  font-size: 0.88rem;
  line-height: 1.55;
}

.problem-assist-goals {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.problem-assist-goals span {
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  font-size: 0.74rem;
  font-weight: 850;
}

.page-shell-detail.is-solving-mode {
  width: min(1560px, calc(100% - 2rem));
}

.page-shell-detail.is-solving-mode .detail-grid {
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  gap: 1rem;
}

.page-shell-detail.is-solving-mode .detail-side-stack {
  gap: 0.75rem;
}

.page-shell-detail.is-solving-mode .detail-hero-panel {
  padding: 1rem 1.15rem;
  border-radius: 8px;
  box-shadow: none;
}

.page-shell-detail.is-solving-mode .problem-brief-panel,
.page-shell-detail.is-solving-mode .detail-meta-row,
.page-shell-detail.is-solving-mode .section-ad,
.page-shell-detail.is-solving-mode .detail-related-section {
  display: none;
}

.page-shell-detail.is-solving-mode .detail-header h1 {
  max-width: 54ch;
  font-size: clamp(1.7rem, 2.1vw, 2.45rem);
}

.page-shell-detail.is-solving-mode .detail-description {
  max-width: 80ch;
}

.page-shell-detail.is-solving-mode .problem-hero-actions .button:not([data-problem-focus-action]) {
  display: none;
}

.page-shell-detail.is-solving-mode .detail-story-card,
.page-shell-detail.is-solving-mode .detail-practice-card,
.page-shell-detail.is-solving-mode #problem-answer-card,
.page-shell-detail.is-solving-mode .problem-assist-card {
  border-color: rgba(3, 70, 49, 0.18);
  background: #fff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.page-shell-detail.is-solving-mode .problem-session-card {
  display: none;
}

.page-shell-detail.is-solving-mode .detail-story-card,
.page-shell-detail.is-solving-mode .detail-practice-card {
  padding: 1.25rem 1.35rem;
}

.page-shell-detail.is-solving-mode .detail-practice-card {
  min-height: 280px;
}

.page-shell-detail.is-solving-mode .terminal-window {
  max-height: 330px;
  overflow: auto;
}

.page-shell-detail.is-solving-mode #problem-answer-card {
  top: 5.7rem;
  max-height: calc(100dvh - 7rem);
  overflow: auto;
}

@media (min-width: 1181px) {
  .page-shell-detail .detail-main-stack {
    grid-template-columns: 1fr;
  }

  .page-shell-detail .detail-story-card,
  .page-shell-detail .detail-practice-card,
  .page-shell-detail .detail-core-grid,
  .page-shell-detail .detail-main-stack > :not(#problem-answer-mobile-anchor) {
    grid-column: 1;
    grid-row: auto;
  }

  .page-shell-detail .detail-core-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1180px) {
  .page-shell-detail .detail-grid,
  .page-shell-detail.is-solving-mode .detail-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  }

  .page-shell-detail .problem-brief-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 840px) {
  .page-shell-detail .detail-grid,
  .page-shell-detail.is-solving-mode .detail-grid {
    grid-template-columns: 1fr;
  }

  .page-shell-detail,
  .page-shell-detail .detail-hero-panel,
  .page-shell-detail .detail-header,
  .page-shell-detail .detail-main-stack,
  .page-shell-detail .detail-side-stack,
  .page-shell-detail .detail-card {
    min-width: 0;
    max-width: 100%;
  }

  .page-shell-detail .detail-hero-panel {
    padding: 1.1rem;
    overflow: hidden;
  }

  .page-shell-detail .detail-header h1 {
    max-width: 100%;
    font-size: clamp(1.65rem, 8vw, 2.25rem);
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .page-shell-detail .problem-hero-actions .button {
    flex: 1 1 10.5rem;
    justify-content: center;
  }

  .problem-session-card {
    position: static;
  }

  .page-shell-detail.is-solving-mode {
    width: min(100%, calc(100% - 1rem));
  }

  .page-shell-detail.is-solving-mode .detail-side-stack {
    display: grid;
  }

  .page-shell-detail.is-solving-mode #problem-answer-card {
    position: static;
    top: auto;
    max-height: none;
    overflow: visible;
  }

  .page-shell-detail.is-solving-mode .detail-story-card,
  .page-shell-detail.is-solving-mode .detail-practice-card {
    padding: 1rem;
  }

  .page-shell-detail.is-solving-mode .terminal-window {
    max-height: 280px;
  }

  .problem-assist-card {
    padding: 1rem;
  }

  .problem-session-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .problem-session-nav a {
    min-height: 2.65rem;
    font-size: 0.76rem;
  }

  .page-shell-detail .detail-answer-card .detail-inline-actions {
    grid-template-columns: 1fr;
  }

  .page-shell-detail .problem-brief-panel,
  .page-shell-detail .problem-brief-facts,
  .page-shell-detail .detail-core-grid {
    grid-template-columns: 1fr;
  }

  .page-shell-detail .detail-story-card,
  .page-shell-detail .detail-practice-card {
    padding: 1.1rem;
  }

  .page-shell-detail .detail-story-card {
    overflow: visible;
  }

  .page-shell-detail .detail-story-card #problem-scenario {
    padding: 1rem;
    font-size: 1rem;
    line-height: 1.72;
    max-height: none;
    overflow: visible;
  }
}

.attempt-feedback-cta.is-review {
  border-color: rgba(180, 83, 9, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 251, 235, 0.94)),
    linear-gradient(135deg, rgba(254, 215, 170, 0.38), transparent 72%);
}

.attempt-feedback-cta-copy {
  display: grid;
  gap: 0.4rem;
}

.attempt-feedback-cta-copy strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--ink);
}

.attempt-feedback-cta-copy p {
  margin: 0;
}

.attempt-feedback-cta-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.attempt-feedback-action {
  display: grid;
  gap: 0.42rem;
  padding: 0.95rem 1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--it-radius);
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.attempt-feedback-action:hover,
.attempt-feedback-action:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(21, 128, 61, 0.24);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
}

.attempt-feedback-action.is-primary {
  border-color: rgba(21, 128, 61, 0.24);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(240, 253, 244, 0.94)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.42), transparent 72%);
}

.attempt-feedback-cta.is-review .attempt-feedback-action.is-primary,
.attempt-feedback-cta.is-review .attempt-feedback-action:hover,
.attempt-feedback-cta.is-review .attempt-feedback-action:focus-visible {
  border-color: rgba(180, 83, 9, 0.24);
}

.attempt-feedback-cta.is-review .attempt-feedback-action.is-primary {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 247, 237, 0.94)),
    linear-gradient(135deg, rgba(254, 215, 170, 0.34), transparent 72%);
}

.attempt-feedback-action-label {
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-strong);
}

.attempt-feedback-cta.is-review .attempt-feedback-action-label {
  color: #b45309;
}

.attempt-feedback-action strong {
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.38;
}

.attempt-feedback-action small {
  color: var(--ink-soft);
  line-height: 1.5;
}

.attempt-feedback-support {
  margin-top: 0;
}

.detail-state-grid {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.detail-state-card {
  padding: 0.95rem 1rem;
}

.detail-state-card strong {
  display: block;
  font-size: 1.15rem;
}

.page-shell-learning .admin-hero-card,
.page-shell-checkout .admin-hero-card {
  min-height: 100%;
}

.page-shell-checkout .plan-card ul {
  max-height: none;
}

.checkout-select-button {
  width: 100%;
}

@media (max-width: 780px) {
  .learning-weakness-grid {
    grid-template-columns: 1fr;
  }

  .learning-weakness-panel:nth-child(3),
  .learning-weakness-panel:nth-child(4) {
    grid-column: auto;
  }

  .detail-state-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(var(--max-width), calc(100% - 0.75rem));
    padding-bottom: 1rem;
  }

  .topbar {
    top: 0.35rem;
    margin: 0.45rem 0 0.75rem;
    padding: 0.7rem 0.75rem;
    border-radius: var(--it-radius);
  }

  .brand {
    gap: 0.65rem;
  }

  .brand-mark {
    width: 2.55rem;
    height: 2.55rem;
    border-radius: var(--it-radius);
  }

  .brand-text strong {
    font-size: 1rem;
  }

  .brand-text small {
    font-size: 0.74rem;
  }

  .nav {
    gap: 0.35rem;
  }

  .nav a {
    min-height: 2.1rem;
    padding: 0 0.62rem;
    font-size: 0.82rem;
  }

  .hero-copy,
  .section,
  .detail-hero-panel,
  .detail-card,
  .admin-hero-card,
  .admin-auth-card,
  .admin-card,
  .footer {
    padding: 1rem;
  }

  .page-shell-subpage .hero-copy,
  .page-shell-subpage .hero-panel {
    padding: 1rem;
  }

  .hero-copy h1,
  .page-shell-landing .hero-copy h1,
  .page-shell-subpage .hero-copy h1,
  .admin-hero-card h1 {
    font-size: clamp(1.55rem, 8vw, 2.1rem);
    line-height: 1.12;
  }

  .section-heading h2,
  .page-shell-subpage .hero-panel-head h2,
  .admin-auth-card h2,
  .detail-card h2 {
    font-size: 1.35rem;
    line-height: 1.2;
  }

  .eyebrow {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
  }

  .hero-description,
  .section-heading p:last-child,
  .admin-hero-card p,
  .admin-auth-card .form-note,
  .value-card p,
  .recommend-item p,
  .problem-card-main p {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .status-pill,
  .problem-chip,
  .problem-focus-pill,
  .problem-rank,
  .topic-pill,
  .audience-badge,
  .track-badge,
  .plan-tier,
  .problem-category,
  .problem-tier,
  .problem-track,
  .problem-format,
  .problem-duration,
  .problem-level-text,
  .security-filter-chip,
  .problem-tag {
    min-height: 1.8rem;
    padding: 0 0.68rem;
    font-size: 0.74rem;
  }

  .hero-signal-card,
  .value-card,
  .recommend-item,
  .problem-card,
  .detail-card,
  .admin-card,
  .footer {
    border-radius: var(--it-radius);
  }

  .hero-signal-card strong {
    font-size: 1.45rem;
  }

  .page-shell-guides .hero-signal-grid,
  .page-shell-hubs .hero-signal-grid,
  .page-shell-taxonomy .hero-signal-grid {
    grid-template-columns: 1fr;
  }

  .page-shell-guides .hero-signal-card strong,
  .page-shell-hubs .hero-signal-card strong,
  .page-shell-taxonomy .hero-signal-card strong {
    font-size: 1.2rem;
    line-height: 1.32;
  }

  .account-identity-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }

  .account-identity-row strong {
    text-align: left;
  }

  .problem-card-list {
    padding: 0.85rem;
    gap: 0.65rem;
  }

  .problem-card-compact {
    padding: 1rem;
    gap: 0.75rem;
  }

  .problem-card-main h3 {
    font-size: 1rem;
  }

  .problem-card-footer,
  .problem-card-side,
  .problem-card-side-top,
  .problem-card-top,
  .problem-card-side-meta,
  .detail-inline-meta,
  .detail-inline-actions {
    gap: 0.45rem;
  }

  .page-shell-library .level-distribution-grid {
    grid-template-columns: 1fr;
  }

  .page-shell-auth .detail-inline-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .page-shell-auth .detail-inline-actions .button,
  .page-shell-detail .detail-inline-actions .button,
  .page-shell-taxonomy .value-card .button,
  .page-shell-library .problem-card-side .button {
    width: 100%;
    justify-content: center;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav {
    right: 0.6rem;
    bottom: 0.6rem;
    width: min(18.5rem, calc(100vw - 1.2rem));
    gap: 0.5rem;
    padding: 4rem 0.85rem 0.85rem;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav a,
  .topbar-mobile-nav.is-mobile-nav-ready .topbar-menu-toggle {
    min-height: 2.35rem;
    padding: 0 0.65rem;
    font-size: 0.82rem;
  }

  .mobile-nav-drawer {
    right: 0.6rem;
    bottom: 0.6rem;
    width: min(18.5rem, calc(100vw - 1.2rem));
    gap: 0.75rem;
    padding: 0.9rem;
  }

  .mobile-nav-drawer-link,
  .mobile-nav-drawer-action,
  .topbar-mobile-nav.is-mobile-nav-ready .topbar-menu-toggle {
    min-height: 2.35rem;
    padding: 0 0.65rem;
    font-size: 0.82rem;
  }

  .account-provider-card {
    grid-template-columns: 1fr;
    justify-items: flex-start;
  }

  .account-provider-action {
    width: 100%;
  }

  .account-provider-action .button,
  .account-provider-badge {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .topbar-mobile-nav.is-mobile-nav-ready .brand {
    gap: 0.62rem;
  }

  .brand-text small {
    display: none;
  }

  .nav a {
    min-height: 1.95rem;
    padding: 0 0.56rem;
    font-size: 0.8rem;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav {
    top: 0.55rem;
    right: 0.45rem;
    bottom: 0.55rem;
    width: calc(100vw - 0.9rem);
    padding: 3.75rem 0.75rem 0.75rem;
  }

  .topbar-mobile-nav.is-mobile-nav-ready .nav a,
  .topbar-mobile-nav.is-mobile-nav-ready .topbar-menu-toggle {
    min-height: 2.2rem;
    padding: 0 0.56rem;
    font-size: 0.8rem;
  }

  .mobile-nav-drawer {
    top: 0.55rem;
    right: 0.45rem;
    bottom: 0.55rem;
    width: calc(100vw - 0.9rem);
    gap: 0.7rem;
    padding: 0.8rem;
  }

  .mobile-nav-drawer-link,
  .mobile-nav-drawer-action,
  .topbar-mobile-nav.is-mobile-nav-ready .topbar-menu-toggle {
    min-height: 2.2rem;
    padding: 0 0.56rem;
    font-size: 0.8rem;
  }

  .hero-copy h1,
  .page-shell-landing .hero-copy h1,
  .page-shell-subpage .hero-copy h1,
  .admin-hero-card h1 {
    font-size: clamp(1.45rem, 9vw, 1.9rem);
  }

  .section-heading h2,
  .page-shell-subpage .hero-panel-head h2,
  .admin-auth-card h2,
  .detail-card h2 {
    font-size: 1.2rem;
  }

  .status-pill,
  .problem-chip,
  .problem-focus-pill,
  .problem-rank,
  .topic-pill,
  .audience-badge,
  .track-badge,
  .plan-tier,
  .problem-category,
  .problem-tier,
  .problem-track,
  .problem-format,
  .problem-duration,
  .problem-level-text,
  .security-filter-chip,
  .problem-tag {
    padding: 0 0.56rem;
    font-size: 0.7rem;
  }

  .problem-card-main h3 {
    font-size: 0.96rem;
  }
}

/* Focused problem solving workbench. Keep detail/SEO content available in detail mode,
   but make solve mode behave like a two-panel problem bank workspace. */
.page-shell-detail.is-solving-mode {
  --solve-answer-width: clamp(360px, 27vw, 440px);
  width: min(1560px, calc(100% - 2rem));
}

.page-shell-detail.is-solving-mode .page-main {
  display: grid;
  gap: 1rem;
}

.page-shell-detail.is-solving-mode .detail-hero-panel {
  padding: 0.95rem 1.15rem;
  border-radius: 8px;
  box-shadow: none;
}

.page-shell-detail.is-solving-mode .detail-hero-panel .back-link {
  display: none;
}

.page-shell-detail.is-solving-mode .detail-header {
  display: grid;
  gap: 0.45rem;
}

.page-shell-detail.is-solving-mode .detail-header h1 {
  max-width: 62ch;
  font-size: clamp(1.55rem, 1.8vw, 2.25rem);
  line-height: 1.14;
}

.page-shell-detail.is-solving-mode .detail-header .detail-description {
  max-width: 86ch;
  margin: 0;
  color: #475569;
  font-size: 0.96rem;
  line-height: 1.55;
}

.page-shell-detail.is-solving-mode .problem-brief-panel,
.page-shell-detail.is-solving-mode .detail-meta-row,
.page-shell-detail.is-solving-mode .section-ad,
.page-shell-detail.is-solving-mode .detail-related-section {
  display: none !important;
}

.page-shell-detail.is-solving-mode .problem-hero-actions {
  margin-top: 0.3rem;
}

.page-shell-detail.is-solving-mode .problem-hero-actions .button:not([data-problem-focus-action]) {
  display: none !important;
}

.page-shell-detail.is-solving-mode .problem-focus-toolbar {
  margin: 0;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  box-shadow: none;
}

.page-shell-detail.is-solving-mode .detail-grid {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) var(--solve-answer-width) !important;
  gap: 1rem !important;
  align-items: start;
}

.page-shell-detail.is-solving-mode .detail-main-stack {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) !important;
  gap: 1rem;
  min-width: 0;
}

.page-shell-detail.is-solving-mode .detail-side-stack {
  display: grid !important;
  gap: 0.85rem;
  align-content: start;
  min-width: 0;
}

.page-shell-detail.is-solving-mode .detail-main-stack > :not(.detail-story-card):not(.detail-practice-card):not(#problem-answer-mobile-anchor):not(#problem-answer-card) {
  display: none !important;
}

.page-shell-detail.is-solving-mode .detail-side-stack > :not(#problem-answer-desktop-anchor):not(#problem-answer-card):not(.problem-assist-card) {
  display: none !important;
}

.page-shell-detail.is-solving-mode .detail-story-card,
.page-shell-detail.is-solving-mode .detail-practice-card,
.page-shell-detail.is-solving-mode #problem-answer-card,
.page-shell-detail.is-solving-mode .problem-assist-card {
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
}

.page-shell-detail.is-solving-mode .detail-story-card,
.page-shell-detail.is-solving-mode .detail-practice-card {
  padding: 1.25rem 1.35rem;
}

.page-shell-detail.is-solving-mode .detail-story-card h2,
.page-shell-detail.is-solving-mode .detail-practice-card h2 {
  font-size: clamp(1.55rem, 1.75vw, 2.1rem);
}

.page-shell-detail.is-solving-mode .detail-story-card #problem-scenario {
  max-height: none;
  padding: 1.1rem 1.2rem;
  background: #f8fafc;
  font-size: 1.02rem;
  line-height: 1.78;
  overflow: visible;
}

.page-shell-detail.is-solving-mode .detail-practice-card {
  min-height: 280px;
}

.page-shell-detail.is-solving-mode .practice-shell {
  gap: 0.85rem;
}

.page-shell-detail.is-solving-mode .practice-tips {
  display: none !important;
}

.page-shell-detail.is-solving-mode .terminal-window {
  min-height: 240px;
  max-height: 360px;
  overflow: auto;
}

.page-shell-detail.is-solving-mode #problem-answer-card {
  position: sticky !important;
  top: 5.75rem;
  max-height: calc(100dvh - 6.75rem);
  overflow: auto;
  overscroll-behavior: contain;
  padding: 1rem;
}

.page-shell-detail.is-solving-mode #problem-answer-card .detail-description {
  margin-bottom: 0;
  font-size: 0.88rem;
  line-height: 1.55;
}

.page-shell-detail.is-solving-mode #problem-answer-card .detail-inline-meta {
  gap: 0.35rem;
}

.page-shell-detail.is-solving-mode #problem-answer-card .problem-tag {
  min-height: 1.6rem;
  padding: 0 0.5rem;
  font-size: 0.66rem;
}

.page-shell-detail.is-solving-mode .problem-answer-form {
  gap: 0.75rem;
}

.page-shell-detail.is-solving-mode #problem-answer-input {
  min-height: 9rem;
  resize: vertical;
}

.page-shell-detail.is-solving-mode .detail-answer-card .detail-inline-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.page-shell-detail.is-solving-mode .detail-answer-card .detail-inline-actions .button {
  min-height: 2.55rem;
  padding-inline: 0.5rem;
  font-size: 0.78rem;
}

.page-shell-detail.is-solving-mode .detail-answer-card .detail-inline-actions .button[type="submit"] {
  grid-column: 1 / -1;
  min-height: 3rem;
}

.problem-answer-solve-only-action {
  display: none !important;
}

.page-shell-detail.is-solving-mode .problem-answer-solve-only-action {
  display: inline-flex !important;
}

.page-shell-detail.is-solving-mode .problem-answer-detail-only-action {
  display: none !important;
}

.page-shell-detail.is-solving-mode .problem-practical-tabs,
.page-shell-detail.is-solving-mode .problem-assist-tabs {
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 0.1rem;
  scrollbar-width: none;
}

.page-shell-detail.is-solving-mode .problem-practical-tabs::-webkit-scrollbar,
.page-shell-detail.is-solving-mode .problem-assist-tabs::-webkit-scrollbar {
  display: none;
}

.page-shell-detail.is-solving-mode .problem-practical-tab,
.page-shell-detail.is-solving-mode .problem-assist-tab {
  flex: 0 0 auto;
  border-radius: 8px;
}

.page-shell-detail.is-solving-mode .problem-practical-field textarea {
  min-height: 10rem;
}

.page-shell-detail.is-solving-mode .problem-choice-list {
  display: grid;
  gap: 0.6rem;
}

.page-shell-detail.is-solving-mode .problem-choice-option {
  padding: 0.75rem;
}

.page-shell-detail.is-solving-mode .problem-assist-card {
  padding: 0.95rem;
}

.page-shell-detail.is-solving-mode .problem-assist-panel {
  max-height: 34dvh;
  overflow: auto;
  overscroll-behavior: contain;
}

@media (min-width: 1600px) {
  .page-shell-detail.is-solving-mode {
    width: min(1560px, calc(100% - 3rem));
  }
}

@media (max-width: 1180px) {
  .page-shell-detail.is-solving-mode {
    --solve-answer-width: minmax(320px, 380px);
    width: min(100%, calc(100% - 1rem));
  }

  .page-shell-detail.is-solving-mode .detail-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 380px) !important;
  }
}

@media (max-width: 840px) {
  .page-shell-detail.is-solving-mode {
    width: min(100%, calc(100% - 0.75rem));
    padding-bottom: 0.75rem;
  }

  .page-shell-detail.is-solving-mode .detail-hero-panel {
    padding: 0.85rem;
  }

  .page-shell-detail.is-solving-mode .detail-header h1 {
    font-size: clamp(1.45rem, 7vw, 2rem);
  }

  .page-shell-detail.is-solving-mode .detail-header .detail-description {
    font-size: 0.9rem;
  }

  .page-shell-detail.is-solving-mode .detail-grid {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  .page-shell-detail.is-solving-mode .detail-main-stack,
  .page-shell-detail.is-solving-mode .detail-side-stack {
    display: grid !important;
    gap: 0.85rem;
  }

  .page-shell-detail.is-solving-mode .detail-story-card {
    order: 1;
  }

  .page-shell-detail.is-solving-mode .detail-practice-card {
    order: 2;
  }

  .page-shell-detail.is-solving-mode #problem-answer-card {
    order: 3;
    position: sticky !important;
    bottom: 0.5rem;
    top: auto;
    z-index: 20;
    max-height: 70dvh;
    border-color: rgba(3, 70, 49, 0.24);
    box-shadow: 0 -14px 32px rgba(15, 23, 42, 0.14);
  }

  .page-shell-detail.is-solving-mode .problem-assist-card {
    order: 4;
  }

  .page-shell-detail.is-solving-mode .detail-story-card,
  .page-shell-detail.is-solving-mode .detail-practice-card {
    padding: 1rem;
  }

  .page-shell-detail.is-solving-mode .detail-story-card #problem-scenario {
    padding: 0.95rem;
    font-size: 0.98rem;
    line-height: 1.72;
  }

  .page-shell-detail.is-solving-mode .terminal-window {
    min-height: 220px;
    max-height: 300px;
  }

  .page-shell-detail.is-solving-mode .detail-answer-card .detail-inline-actions {
    grid-template-columns: 1fr 1fr;
  }

  .page-shell-detail.is-solving-mode .detail-answer-card .detail-inline-actions .button[type="submit"] {
    grid-column: 1 / -1;
  }

  .page-shell-detail.is-solving-mode .problem-assist-panel {
    max-height: none;
  }
}