:root {
  color-scheme: light;
  --ink: #17211b;
  --ink-secondary: #3a4a40;
  --muted: #65726a;
  --paper: #f2f5f0;
  --surface: #ffffff;
  --surface-hover: #f7f9f6;
  --line: #dce3dc;
  --line-strong: #bec9be;
  --accent: #0b7a75;
  --accent-dark: #075d59;
  --accent-glow: rgba(11, 122, 117, 0.15);
  --gold: #b57817;
  --gold-light: #fef3d5;
  --rose: #b4465b;
  --rose-light: #fce8ec;
  --blue: #2563eb;
  --blue-light: #dbeafe;
  --purple: #7c3aed;
  --purple-light: #ede9fe;
  --orange: #ea580c;
  --orange-light: #ffedd5;
  --shadow-sm: 0 1px 3px rgba(18, 35, 30, 0.08);
  --shadow: 0 4px 14px rgba(18, 35, 30, 0.08);
  --shadow-lg: 0 12px 40px rgba(18, 35, 30, 0.1);
  --radius: 10px;
  --radius-sm: 6px;
  --phase-1: #0b7a75;
  --phase-2: #7c3aed;
  --phase-3: #ea580c;
  --phase-4: #2563eb;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e6ede4;
  --ink-secondary: #bcc9b8;
  --muted: #8a9a84;
  --paper: #0f1712;
  --surface: #1a261e;
  --surface-hover: #223026;
  --line: #2a3a2e;
  --line-strong: #3a5040;
  --accent: #2dd4bf;
  --accent-dark: #5eead4;
  --accent-glow: rgba(45, 212, 191, 0.15);
  --gold: #fbbf24;
  --gold-light: #422f0a;
  --rose: #fb7185;
  --rose-light: #441a22;
  --blue: #60a5fa;
  --blue-light: #1a2a4a;
  --purple: #a78bfa;
  --purple-light: #2e1f4a;
  --orange: #fb923c;
  --orange-light: #3a1f0a;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

a { color: var(--accent-dark); }
a:hover { text-decoration: none; }

.skip-link {
  position: absolute;
  top: -100%;
  left: 12px;
  padding: 8px 16px;
  background: var(--accent-dark);
  color: #fff;
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 700;
}
.skip-link:focus { top: 12px; }

/* ─── Header ─── */
.site-header {
  position: relative;
  background: linear-gradient(135deg, #0b7a75 0%, #0a5e5a 40%, #17211b 100%);
  color: #fff;
  overflow: hidden;
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 90%, rgba(45, 212, 191, 0.15) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(251, 191, 36, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.nav {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 20px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
}
.brand:hover { color: #fff; }

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  font-size: 0.85rem;
  font-weight: 850;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-pill {
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  background: transparent;
  color: rgba(255,255,255,0.8);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-pill:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.filter-pill.active {
  background: #fff;
  color: var(--accent-dark);
  border-color: #fff;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  background: transparent;
  color: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all var(--transition);
}
.theme-toggle:hover {
  background: rgba(255,255,255,0.12);
}
[data-theme="dark"] .theme-icon-light { display: none; }
[data-theme="dark"] .theme-icon-dark { display: inline; }
.theme-icon-light { display: inline; }
.theme-icon-dark { display: none; }

.hero {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 48px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 8vh 0 10vh;
}

.hero-copy { flex: 1 1 0; max-width: 700px; }
.hero-copy p { margin-bottom: 0; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 0.92;
  letter-spacing: -2px;
  max-width: 820px;
}

h2 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -1px;
}

h3 { font-size: 1.08rem; margin: 0 0 6px; }

h1, h2, h3 { font-weight: 800; }
h3, .card-label { letter-spacing: -0.3px; }

.hero-text {
  max-width: 620px;
  color: rgba(255,255,255,0.85);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  transition: all var(--transition);
}
.button:hover { text-decoration: none; }
.button.primary {
  background: #fff;
  color: var(--accent-dark);
}
.button.primary:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-1px);
}
.button.secondary {
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
}
.button.secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.5);
}

.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  flex: 0 0 240px;
}

.stat-block {
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  background: rgba(0,0,0,0.2);
  backdrop-filter: blur(8px);
  text-align: center;
}
.stat-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 850;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* ─── Sections ─── */
.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 64px 0;
}

.section-heading {
  max-width: 700px;
  margin-bottom: 36px;
}
.section-subtitle {
  color: var(--muted);
  font-size: 1rem;
  margin: 14px 0 0;
}

/* ─── Dashboard ─── */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.dashboard-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  cursor: default;
  transition: all var(--transition);
}
.dashboard-card:not(:last-of-type) { cursor: default; }
.dashboard-card:hover {
  border-color: var(--line-strong);
  background: var(--surface-hover);
}
button.dashboard-card {
  cursor: pointer;
  border-style: dashed;
  color: var(--muted);
}
button.dashboard-card:hover {
  border-color: var(--rose);
  background: var(--rose-light);
  color: var(--rose);
}
.dashboard-card-icon {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent-dark);
  font-size: 1rem;
}
.dashboard-card:nth-child(2) .dashboard-card-icon {
  background: var(--accent-glow);
  color: var(--accent-dark);
}
.dashboard-card:nth-child(3) .dashboard-card-icon {
  background: var(--gold-light);
  color: var(--gold);
}
.dashboard-card-label {
  margin: 0;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--muted);
}
.dashboard-card-value {
  margin: 2px 0 0;
  font-weight: 700;
  font-size: 1rem;
}

/* ─── Phases ─── */
.phase {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.phase:hover { border-color: var(--line-strong); }

.phase-header {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 18px 22px;
  border: none;
  background: none;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
  text-align: left;
  gap: 14px;
  transition: background var(--transition);
}
.phase-header:hover { background: var(--surface-hover); }

.phase-toggle {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  color: var(--accent-dark);
  font-size: 0.75rem;
  transition: transform var(--transition);
}
.phase.open .phase-toggle { transform: rotate(90deg); }

.phase-marker {
  flex: 0 0 4px;
  align-self: stretch;
  border-radius: 2px;
  margin: 4px 0;
}
.phase[data-phase="0"] .phase-marker { background: var(--phase-1); }
.phase[data-phase="1"] .phase-marker { background: var(--phase-2); }
.phase[data-phase="2"] .phase-marker { background: var(--phase-3); }
.phase[data-phase="3"] .phase-marker { background: var(--phase-4); }

.phase-info { flex: 1; }
.phase-title {
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0;
}
.phase-meta {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 2px 0 0;
}

.phase-badge {
  flex: 0 0 auto;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--accent-glow);
  color: var(--accent-dark);
}

.phase-body {
  display: none;
  padding: 0 22px 20px;
}
.phase.open .phase-body { display: block; }

/* ─── Track Cards ─── */
.track-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.track-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: all var(--transition);
}
.track-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.track-card-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px 0;
}

.track-info { flex: 1; }
.track-title {
  font-weight: 800;
  font-size: 1rem;
  margin: 0;
}
.track-summary {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 4px 0 0;
}

.track-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 0 0 auto;
}

.level-pill {
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.level-pill.Beginner {
  background: var(--accent-glow);
  color: var(--accent-dark);
}
.level-pill.Intermediate {
  background: var(--purple-light);
  color: var(--purple);
}
.level-pill.Advanced {
  background: var(--orange-light);
  color: var(--orange);
}
.level-pill.AllLevels {
  background: var(--blue-light);
  color: var(--blue);
}

.resource-count-pill {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--surface-hover);
  color: var(--muted);
  border: 1px solid var(--line);
}

.track-outcome {
  padding: 0 20px;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--ink-secondary);
}
.track-outcome strong { font-weight: 700; }

.track-progress-wrap {
  padding: 0 20px;
  margin-top: 8px;
}
.track-progress-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  overflow: hidden;
}
.track-progress-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--accent);
  width: 0%;
  transition: width 0.4s ease;
}
.track-progress-label {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 3px;
  font-weight: 600;
}

.track-docs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 20px;
  margin-top: 10px;
}

.doc-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  background: var(--surface-hover);
  border: 1px solid var(--line);
  color: var(--ink-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}
.doc-link:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-glow);
}

.track-resources {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding: 12px 20px 16px;
}

.resource-list {
  display: grid;
  gap: 6px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.resource-list li { margin: 0; }

.resource-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  font-size: 0.85rem;
  transition: all var(--transition);
  cursor: pointer;
}
.resource-item:hover {
  background: var(--surface-hover);
}
.resource-item.completed {
  opacity: 0.6;
}
.resource-item.completed .resource-title {
  text-decoration: line-through;
}

.resource-check {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 2px solid var(--line-strong);
  border-radius: 4px;
  font-size: 0.6rem;
  transition: all var(--transition);
}
.resource-item.completed .resource-check {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.resource-info { flex: 1; min-width: 0; }
.resource-title { display: block; }
.resource-meta {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 1px;
}

.resource-link {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--surface-hover);
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}
.resource-link:hover {
  background: var(--accent-glow);
  color: var(--accent-dark);
}

/* Internal doc — opens sidebar */
.resource-link--doc {
  background: var(--blue-light);
  color: var(--blue);
}
.resource-link--doc:hover {
  background: var(--blue-light);
  color: var(--blue);
  filter: brightness(0.88);
}

/* Resource has no URL */
.resource-link--none {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  font-size: 0.68rem;
}

.resource-toggle {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 6px;
  border: none;
  border-radius: var(--radius-sm);
  background: none;
  color: var(--accent-dark);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition);
}
.resource-toggle:hover {
  background: var(--accent-glow);
}

/* ─── Doc Sidebar ─── */
.doc-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.doc-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.doc-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 101;
  width: min(720px, 95vw);
  background: var(--surface);
  color: var(--ink);
  border-left: 1px solid var(--line);
  box-shadow: -8px 0 40px rgba(0,0,0,0.15);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}
.doc-sidebar.open {
  transform: translateX(0);
}

.doc-sidebar-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--line);
  flex: 0 0 auto;
}

.doc-sidebar-close {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: none;
  color: var(--muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition);
}
.doc-sidebar-close:hover {
  background: var(--surface-hover);
  color: var(--ink);
  border-color: var(--line-strong);
}

.doc-sidebar-heading { flex: 1; min-width: 0; }
.doc-sidebar-breadcrumb {
  margin: 0 0 2px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--muted);
}
.doc-sidebar-title {
  margin: 0;
  font-weight: 800;
  font-size: 1.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-sidebar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-hover);
  flex: 0 0 auto;
}

.doc-nav-btn {
  padding: 5px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink-secondary);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.doc-nav-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent-dark);
}
.doc-nav-btn:disabled {
  opacity: 0.35;
  cursor: default;
}

.doc-nav-counter {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}

.doc-sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 32px 36px 48px;
  -webkit-overflow-scrolling: touch;
}

.doc-loading {
  display: grid;
  place-items: center;
  min-height: 160px;
  color: var(--muted);
  font-size: 0.95rem;
}

.doc-error {
  padding: 24px;
  border: 1px solid var(--rose-light);
  border-radius: var(--radius);
  background: var(--rose-light);
  color: var(--rose);
  font-size: 0.92rem;
}

/* ─── Markdown content ─── */
.doc-content { line-height: 1.7; }
.doc-content h1,
.doc-content h2,
.doc-content h3,
.doc-content h4 {
  margin: 1.6em 0 0.5em;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.3px;
}
.doc-content h1 {
  font-size: 1.75rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.4em;
  margin-top: 0.2em;
}
.doc-content h2 {
  font-size: 1.35rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3em;
}
.doc-content h3 { font-size: 1.12rem; }
.doc-content h4 { font-size: 1rem; }

.doc-content p {
  margin: 0 0 1em;
  color: var(--ink-secondary);
}
.doc-content a {
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.doc-content a:hover { text-decoration: none; }

.doc-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, "Courier New", monospace;
  font-size: 0.85em;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  background: var(--surface-hover);
  border: 1px solid var(--line);
  color: var(--ink);
}

.doc-content pre {
  margin: 0 0 1.2em;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--surface-hover);
  border: 1px solid var(--line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.doc-content pre code {
  padding: 0;
  border: none;
  background: none;
  font-size: 0.82rem;
  line-height: 1.55;
  tab-size: 2;
}

.doc-content ul,
.doc-content ol {
  margin: 0 0 1em;
  padding-left: 1.6em;
  color: var(--ink-secondary);
}
.doc-content li { margin-bottom: 0.3em; }
.doc-content li > ul,
.doc-content li > ol { margin-bottom: 0; }

.doc-content blockquote {
  margin: 0 0 1em;
  padding: 12px 18px;
  border-left: 4px solid var(--accent);
  background: var(--surface-hover);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-secondary);
}
.doc-content blockquote p:last-child { margin-bottom: 0; }

.doc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1em;
  font-size: 0.88rem;
}
.doc-content th,
.doc-content td {
  padding: 8px 12px;
  border: 1px solid var(--line);
  text-align: left;
}
.doc-content th {
  background: var(--surface-hover);
  font-weight: 700;
}
.doc-content hr {
  margin: 1.5em 0;
  border: none;
  border-top: 1px solid var(--line);
}
.doc-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}
.doc-content strong { font-weight: 700; }

.doc-content ::-webkit-scrollbar { height: 6px; width: 6px; }
.doc-content ::-webkit-scrollbar-track { background: transparent; }
.doc-content ::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 3px; }

@media (max-width: 720px) {
  .doc-sidebar-body { padding: 20px 20px 36px; }
}

/* ─── Footer ─── */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 32px 0 40px;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}
.footer-links {
  display: flex;
  gap: 16px;
}
.footer a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}
.footer a:hover { text-decoration: underline; }

/* ─── Animations ─── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.phase-body .track-card {
  animation: fadeSlideUp 0.3s ease both;
}
.phase-body .track-card:nth-child(1) { animation-delay: 0.02s; }
.phase-body .track-card:nth-child(2) { animation-delay: 0.06s; }
.phase-body .track-card:nth-child(3) { animation-delay: 0.1s; }
.phase-body .track-card:nth-child(4) { animation-delay: 0.14s; }

/* ─── Responsive ─── */
@media (max-width: 900px) {
  .hero { flex-direction: column; align-items: stretch; padding-top: 4vh; }
  .hero-stats { flex: none; grid-template-columns: repeat(4, 1fr); }
  .track-grid { grid-template-columns: 1fr; }
  .nav { flex-wrap: wrap; }
  .nav-links { flex-wrap: wrap; }
}

@media (max-width: 600px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .phase-header { flex-wrap: wrap; }
  .footer { flex-direction: column; text-align: center; }
}

/* ─── Search & Type Filter Bar ─── */
.search-filter-wrap {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.search-filter-inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.search-input-wrap {
  position: relative;
  flex: 1 1 200px;
  min-width: 180px;
}

.search-input {
  width: 100%;
  padding: 9px 38px 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 0.88rem;
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.search-input::placeholder { color: var(--muted); }

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: var(--surface);
}

.search-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--muted);
  background: var(--surface-hover);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 1px 5px;
  pointer-events: none;
  font-family: inherit;
  line-height: 1.4;
}

.search-input:focus ~ .search-kbd { display: none; }

/* Type filter pills */
.type-filter-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.type-pill {
  padding: 5px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--ink-secondary);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.type-pill:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-glow);
}

.type-pill.active {
  background: var(--accent-dark);
  color: #fff;
  border-color: var(--accent-dark);
}

[data-theme="dark"] .type-pill.active {
  background: var(--accent);
  color: var(--paper);
  border-color: var(--accent);
}

/* No search results state */
.search-no-results {
  text-align: center;
  padding: 56px 20px;
  color: var(--muted);
  font-size: 0.95rem;
}
.search-no-results p { margin: 0; }

/* ─── Resource type badges ─── */
.type-badge {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
  line-height: 1.5;
  vertical-align: middle;
}

.type-course     { background: var(--accent-glow);   color: var(--accent-dark); }
.type-video      { background: var(--rose-light);    color: var(--rose); }
.type-paper      { background: var(--purple-light);  color: var(--purple); }
.type-opensource { background: var(--gold-light);    color: var(--gold); }
.type-guide      { background: var(--blue-light);    color: var(--blue); }
.type-book       { background: var(--orange-light);  color: var(--orange); }
.type-platform   { background: var(--purple-light);  color: var(--purple); }
.type-benchmark  { background: var(--gold-light);    color: var(--gold); }
.type-other      { background: var(--surface-hover); color: var(--muted); border: 1px solid var(--line); }

/* Level pills for compound level strings */
.level-pill.BeginnertoIntermediate {
  background: var(--accent-glow);
  color: var(--accent-dark);
}
.level-pill.IntermediatetoAdvanced {
  background: var(--purple-light);
  color: var(--purple);
}

/* Export dashboard card */
.dashboard-card:nth-child(5) .dashboard-card-icon {
  background: var(--blue-light);
  color: var(--blue);
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .search-filter-inner { gap: 10px; }
  .type-pill { font-size: 0.72rem; padding: 4px 10px; }
}

@media (max-width: 600px) {
  .search-filter-inner { padding: 10px 0; }
  .type-filter-bar { gap: 4px; }
  .type-pill { font-size: 0.7rem; padding: 4px 8px; }
}