:root {
  --bg: #f8fbf7;
  --bg-soft: #f1f7f1;
  --bg-tint: #e4f6e8;
  --card: rgba(255, 255, 255, 0.92);
  --card-strong: #ffffff;
  --card-muted: #fafaf9;
  --ink: #1c1917;
  --ink-soft: #57534e;
  --ink-faint: #a8a29e;
  --line: rgba(41, 37, 36, 0.1);
  --line-strong: rgba(41, 37, 36, 0.16);
  --primary: #15803d;
  --primary-strong: #166534;
  --primary-soft: rgba(21, 128, 61, 0.14);
  --accent: #d9fbe1;
  --teal: #0f766e;
  --amber: #d97706;
  --rose: #dc2626;
  --shadow-sm: 0 12px 28px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 22px 48px rgba(28, 25, 23, 0.09);
  --shadow-lg: 0 34px 96px rgba(28, 25, 23, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --max-width: 1240px;
  --font-body:
    "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans KR", system-ui,
    sans-serif;
  --font-display:
    "Bahnschrift", "Segoe UI Variable Display", "Malgun Gothic", "Apple SD Gothic Neo",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(21, 128, 61, 0.14), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(15, 118, 110, 0.11), transparent 18%),
    radial-gradient(circle at 80% 78%, rgba(21, 128, 61, 0.1), transparent 20%),
    linear-gradient(180deg, #f7fbf7 0%, #f5f6f2 52%, #f7f8f4 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.52), rgba(255, 255, 255, 0.52)),
    linear-gradient(90deg, transparent 0%, rgba(28, 25, 23, 0.015) 50%, transparent 100%);
  opacity: 0.65;
}

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-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;
  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);
}

.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: 18px;
  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;
  gap: 0.75rem 1.15rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.nav a {
  padding: 0.35rem 0;
  transition: color 180ms ease;
}

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

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

.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 {
  font-size: clamp(2.7rem, 5.6vw, 4.9rem);
  line-height: 0.97;
}

.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;
}

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

.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-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: 22px;
  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;
}

.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 rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(252, 252, 251, 0.9)),
    linear-gradient(135deg, rgba(220, 252, 231, 0.7), transparent 60%);
  box-shadow: var(--shadow-lg);
}

.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,
.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;
}

.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: 24px;
  background: rgba(255, 255, 255, 0.82);
}

.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: 24px;
  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: 18px;
  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;
}

.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: 24px;
}

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

.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));
}

.category-card,
.value-card,
.audience-card,
.track-card,
.workflow-card,
.plan-card {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-sm);
}

.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: 18px;
  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;
}

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

.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(260px, 340px);
  gap: 1rem;
  margin-top: 1.7rem;
}

.security-filter-bar {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

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

.security-filter-copy {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 800;
}

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

.security-filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.8rem;
  padding: 0 0.95rem;
  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;
}

.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,
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 3.2rem;
  padding: 0 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  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,
.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: 1rem;
  margin-top: 1.2rem;
  color: var(--ink-soft);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.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;
}

.problem-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  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: minmax(0, 1fr) auto;
  gap: 1.15rem;
  padding: 1.35rem;
  align-items: start;
}

.problem-card-compact {
  display: grid;
  gap: 0.9rem;
  padding: 1.2rem;
}

.problem-card-main {
  display: grid;
  gap: 0.9rem;
  min-width: 0;
}

.problem-card-side {
  display: grid;
  gap: 0.8rem;
  justify-items: end;
  min-width: 160px;
}

.problem-card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.problem-card-main h3 {
  font-size: 1.32rem;
  line-height: 1.28;
}

.problem-card-side-top {
  display: grid;
  gap: 0.55rem;
  justify-items: end;
}

.problem-card-side-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.problem-chip,
.topic-pill,
.problem-focus-pill,
.problem-category,
.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-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: 0.55rem;
}

.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 0.72rem;
  border-radius: 999px;
  background: rgba(28, 25, 23, 0.05);
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.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: 24px;
  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: 28px;
  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: 22px;
  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;
}

.security-focus-card {
  padding: 1.2rem;
  border: 1px solid rgba(15, 23, 42, 0.12);
  border-radius: 24px;
  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;
}

.recommend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1.65rem;
}

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

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

.recommend-card-copy {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

.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: 20px;
  background: rgba(255, 255, 255, 0.82);
}

.recommend-item-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.recommend-item h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.34;
}

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

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

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

.workflow-grid {
  grid-template-columns: repeat(4, 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: 1.35rem;
}

.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;
}

.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;
}

.track-actions {
  display: flex;
}

.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;
}

.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: 24px;
}

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

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

.signal-bullets li {
  border-radius: 18px;
}

.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: 24px;
  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: 20px;
  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;
}

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

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

.social-auth-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

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

.social-auth-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.social-auth-card {
  display: grid;
  gap: 0.3rem;
  min-height: 4.8rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow-sm);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.social-auth-card strong {
  font-family: var(--font-display);
  font-size: 1rem;
}

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

.social-auth-card:hover,
.social-auth-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(21, 128, 61, 0.32);
  box-shadow: var(--shadow-md);
}

.social-auth-card.is-linked {
  border-color: rgba(21, 128, 61, 0.22);
  background: linear-gradient(180deg, rgba(220, 252, 231, 0.7), rgba(255, 255, 255, 0.82));
}

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

.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: 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;
}

.detail-header h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4.6vw, 4.2rem);
  letter-spacing: -0.03em;
}

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

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: 1rem;
}

.detail-main-stack,
.detail-side-stack {
  display: grid;
  gap: 1rem;
}

.detail-story-card {
  min-height: 18rem;
}

.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;
}

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

.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-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: 20px;
  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: 16px;
  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;
}

.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: 16px;
  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));
}

.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-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: 18px;
  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;
  gap: 0.75rem;
}

.admin-inline-status {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1180px) {
  .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 {
    align-items: flex-start;
  }

  .category-overview-grid,
  .security-focus-grid,
  .value-grid,
  .workflow-grid,
  .admin-metrics-grid,
  .social-auth-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .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 {
    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));
  }

  .topbar,
  .hero-actions,
  .hero-points,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-copy,
  .section,
  .detail-hero-panel,
  .detail-card,
  .admin-hero-card,
  .admin-auth-card,
  .admin-card {
    padding: 1.3rem;
  }

  .hero-mini-grid,
  .hero-signal-grid,
  .stats-strip,
  .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,
  .two-columns,
  .three-columns,
  .four-columns {
    grid-template-columns: 1fr;
  }

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

  .problem-card-side,
  .problem-card-side-top {
    justify-items: start;
  }

  .problem-card-side-meta {
    justify-content: flex-start;
  }

  .detail-meta-row,
  .footer-links {
    flex-direction: column;
    align-items: flex-start;
  }
}

.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-answer-form {
  display: grid;
  gap: 0.9rem;
}

.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 p,
.detail-state-card span,
.attempt-feedback p {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
}

.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%;
}

.checkout-select-button {
  width: 100%;
}

@media (max-width: 780px) {
  .detail-state-grid {
    grid-template-columns: 1fr;
  }
}