/* ============================================
   MDT STUDENT WIKI
   ============================================ */

:root {
  --bg: #050e15;
  --bg-2: #091520;
  --bg-3: #0d1d2b;
  --bg-4: #122436;
  --border: #1a3045;
  --border-light: #1e3a52;
  --text: #e8eef2;
  --text-muted: #7a9bb5;
  --text-dim: #3d6280;
  --accent: #088ba3;
  --accent-dim: #045b8c;
  --white: #f0f5f8;
  --sidebar-w: 240px;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Barlow', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

/* ── Light mode overrides ── */
body.light {
  --bg: #f0f5f8;
  --bg-2: #e4ecf2;
  --bg-3: #d8e4ed;
  --bg-4: #c8d8e6;
  --border: #a8c0d4;
  --border-light: #8aafc6;
  --text: #01355a;
  --text-muted: #024067;
  --text-dim: #7a9bb5;
  --accent: #045b8c;
  --accent-dim: #088ba3;
  --white: #01355a;
}

/* ── Theme toggle ── */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}

.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}

body.light .theme-toggle {
  color: var(--text-muted);
  border-color: var(--border);
}

body.light .theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.65;
  display: flex;
  min-height: 100vh;
}

/* ── Search ── */
.search-bar {
  display: none;
  position: fixed;
  top: 0;
  left: var(--sidebar-w);
  right: 0;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  z-index: 80;
}

.search-bar.visible {
  display: block;
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  padding: 0.5rem 1rem;
  max-width: 600px;
}

.search-wrap i {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.search-wrap input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
}

.search-wrap input::placeholder {
  color: var(--text-dim);
}

.search-clear {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0;
  line-height: 1;
}

.search-clear:hover {
  color: var(--text);
}

.search-results {
  margin-top: 0.75rem;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.search-result-item {
  background: var(--bg);
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-size: 0.83rem;
  color: var(--text-muted);
  transition: background 0.15s;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.search-result-item:hover {
  background: var(--bg-3);
  color: var(--text);
}

.search-result-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
}

.search-result-context {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.search-result-page {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dim);
}

.search-no-results {
  background: var(--bg);
  padding: 0.75rem 1rem;
  font-size: 0.83rem;
  color: var(--text-dim);
  font-style: italic;
}

.main.search-open {
  padding-top: 5rem;
}

@media (max-width: 768px) {
  .search-bar {
    left: 0;
    padding: 1rem;
  }
}

/* ── Lightbox ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 500;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  cursor: zoom-out;
}

.lightbox.visible {
  display: flex;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border: 1px solid var(--border);
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s;
}

.lightbox-close:hover {
  color: var(--white);
}

.lightbox-caption {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  height: 100vh;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.sidebar-header {
  padding: 1.5rem 1.25rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-mark {
  font-size: 1.5rem;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-main {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  text-transform: uppercase;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}

.sidebar-nav {
  flex: 1;
  padding: 1.25rem 0;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 1.5rem;
}

.nav-label {
  display: block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0 1.25rem 0.5rem;
}

.nav-link {
  display: block;
  padding: 0.45rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.15s, background 0.15s;
  position: relative;
  cursor: pointer;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.nav-link.active {
  color: var(--accent);
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 60%;
  background: var(--accent);
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.65rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.last-updated {
  display: block;
  font-size: 0.6rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
  letter-spacing: 0.05em;
}

/* ============================================
   MOBILE TOPBAR
   ============================================ */

.topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 52px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  z-index: 200;
  align-items: center;
  padding: 0 1rem;
  gap: 1rem;
}

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.2s, opacity 0.2s;
}

.hamburger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.topbar-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  flex: 1;
}

.topbar-mark {
  color: var(--accent);
  font-size: 1.1rem;
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 90;
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */

.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
}

/* ============================================
   PAGES
   ============================================ */

.page {
  display: none;
  padding: 3rem 3.5rem;
  max-width: 900px;
  animation: fadeIn 0.25s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   HOME HERO
   ============================================ */

.page-hero {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.hero-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 1rem;
}

.hero-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-rule {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ============================================
   CARDS GRID
   ============================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.card {
  background: var(--bg);
  padding: 1.5rem;
  position: relative;
  transition: background 0.2s;
}

.card.clickable {
  cursor: pointer;
}

.card.clickable:hover {
  background: var(--bg-3);
}

.card.clickable:hover .card-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

.card-icon {
  font-size: 1.1rem;
  color: var(--accent-dim);
  margin-bottom: 0.75rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.card-arrow {
  font-size: 1rem;
  color: var(--text-dim);
  display: inline-block;
  transition: transform 0.2s, color 0.2s;
}

/* ============================================
   NOTICE
   ============================================ */

.notice {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-dim);
  padding: 1rem 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  line-height: 1.6;
}

.notice p {
  margin: 0;
  flex: 1;
}

.notice-tag {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dim);
  background: var(--bg-4);
  padding: 0.15rem 0.4rem;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

/* ============================================
   PAGE HEADERS
   ============================================ */

.page-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.breadcrumb span {
  color: var(--text-muted);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 0.75rem;
  line-height: 1.1;
}

.page-intro {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
}

/* ============================================
   MODULE LIST
   ============================================ */

.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border-light);
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-btn:hover {
  border-color: var(--text-muted);
  color: var(--text);
}

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.modules-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.module-item {
  background: var(--bg);
  padding: 1.5rem;
  transition: background 0.15s;
}

.module-item:hover {
  background: var(--bg-3);
}

.module-item.hidden {
  display: none;
}

.module-item .voices-scroll {
  display: flex !important;
  flex-direction: column !important;
  max-height: 150px;
  overflow-y: auto !important;
  overflow-x: hidden;
}

.module-item .voice-bubble {
  max-width: 100% !important;
  width: 100%;
  flex-shrink: 0;
}

.module-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.module-tag {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dim);
}

.module-rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.stars {
  color: var(--accent);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.rating-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.module-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
  letter-spacing: 0.01em;
}

.module-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.module-details {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.detail-tag {
  font-size: 0.68rem;
  background: var(--bg-4);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 0.2rem 0.55rem;
}

.module-tip {
  font-size: 0.78rem;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-dim);
  padding-left: 0.75rem;
  font-style: italic;
}

.module-tip span {
  font-weight: 600;
  font-style: normal;
  color: var(--accent-dim);
  margin-right: 0.25rem;
}

/* ============================================
   PROFESSOR CARDS
   ============================================ */

.prof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.prof-card {
  background: var(--bg);
  padding: 1.5rem;
}

.prof-header {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

.prof-avatar {
  width: 40px;
  height: 40px;
  background: var(--bg-4);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.prof-info {
  flex: 1;
}

.prof-info h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.2rem;
}

.prof-module {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.prof-score {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.prof-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.ptag {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.15rem 0.45rem;
}

.prof-section {
  margin-bottom: 0.875rem;
}

.prof-section h4 {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 0.35rem;
}

.prof-section p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.prof-quote {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-style: italic;
  border-top: 1px solid var(--border);
  padding-top: 0.875rem;
  margin-top: 0.875rem;
}

.voice-bubble {
  flex-shrink: 0;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-dim);
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  cursor: pointer;
}

.voice-bubble summary {
  font-style: italic;
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.voice-bubble summary::-webkit-details-marker {
  display: none;
}

.voice-bubble summary::after {
  content: ' ↓';
  color: var(--accent-dim);
  font-style: normal;
  font-size: 0.65rem;
}

.voice-bubble[open] summary::after {
  content: ' ↑';
}

.voice-bubble p {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-style: normal;
  color: var(--text-muted);
}

/* ============================================
   PORTALS
   ============================================ */

.portals-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.portal-card {
  background: var(--bg);
  padding: 1.5rem;
}

.portal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.portal-info h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.portal-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.portal-link {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent-dim);
  padding: 0.35rem 0.75rem;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.portal-link:hover {
  background: var(--accent);
  color: var(--bg);
}

.portal-screenshots {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

.screenshot-slot {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.screenshot-slot img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--bg-4);
  display: block;
}

.screenshot-slot img[src$="login.png"],
.screenshot-slot img[src$="home.png"],
.screenshot-slot img[src$="booking.png"],
.screenshot-slot img[src$="calendar.png"],
.screenshot-slot img[src$="inbox.png"],
.screenshot-slot img[src$="dashboard.png"] {
  min-height: 120px;
}

.screenshot-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.portal-tip {
  font-size: 0.78rem;
  color: var(--text-muted);
  border-left: 2px solid var(--accent-dim);
  padding-left: 0.75rem;
  font-style: italic;
}

/* ============================================
   INFO BLOCKS
   ============================================ */

.info-blocks {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.info-block {
  background: var(--bg);
  padding: 1.5rem;
}

.info-block .module-tip {
  margin-top: 0.75rem;
}

.info-block.highlight {
  background: var(--bg-3);
  border-left: 3px solid var(--accent);
}

.info-block h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.info-block p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.wiki-list {
  list-style: none;
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.wiki-list li {
  font-size: 0.83rem;
  color: var(--text-muted);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.55;
}

.wiki-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--text-dim);
  font-size: 0.75rem;
}

.wiki-list.ordered {
  counter-reset: list-counter;
}

.wiki-list.ordered li {
  counter-increment: list-counter;
  padding-left: 1.5rem;
}

.wiki-list.ordered li::before {
  content: counter(list-counter) '.';
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent-dim);
}

code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-4);
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--border);
  color: var(--accent);
}

/* ============================================
   BUDGET TABLE
   ============================================ */

.budget-table-wrap {
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  overflow: hidden;
}

.budget-table-wrap h3 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.875rem 1.25rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.budget-table {
  width: 100%;
  border-collapse: collapse;
}

.budget-table th {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.75rem 1.25rem;
  text-align: left;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.budget-table th:not(:first-child) {
  text-align: right;
}

.budget-table td {
  padding: 0.65rem 1.25rem;
  font-size: 0.83rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.budget-table td:not(:first-child) {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
}

.budget-table tr:hover td {
  background: var(--bg-3);
}

.budget-table .total-row td {
  background: var(--bg-3);
  border-top: 1px solid var(--border-light);
  color: var(--text);
  font-size: 0.83rem;
}

.budget-table .total-row td:not(:first-child) {
  color: var(--accent);
}

.table-note {
  font-size: 0.73rem;
  color: var(--text-dim);
  padding: 0.75rem 1.25rem;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  line-height: 1.5;
}

/* ============================================
   SCHEDULE
   ============================================ */

.schedule-toggle {
  display: flex;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: 1.5rem 0 1rem;
  width: fit-content;
}

.sched-btn {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  background: var(--bg);
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.sched-btn.active {
  background: var(--accent);
  color: var(--bg);
}

.schedule-view.hidden {
  display: none;
}

/* ── Legend ── */
.week-legend {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.legend-dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
}

.legend-dot.class { background: var(--accent); }
.legend-dot.job   { background: #4a6741; }
.legend-dot.free  { background: var(--bg-4); border: 1px solid var(--border); }

/* ── Weekly grid ── */
.week-grid {
  border: 1px solid var(--border);
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.week-header,
.week-row {
  display: grid;
  grid-template-columns: 60px repeat(5, 1fr);
  border-bottom: 1px solid var(--border);
}

.week-header {
  background: var(--bg-3);
}

.week-header .day-col,
.week-header .time-col {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.5rem 0.4rem;
  text-align: center;
  border-right: 1px solid var(--border);
}

.time-col {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-dim);
  padding: 0.5rem 0.4rem;
  text-align: right;
  border-right: 1px solid var(--border);
  background: var(--bg-2);
  white-space: nowrap;
}

.week-cell {
  padding: 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-align: center;
  border-right: 1px solid var(--border);
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
  cursor: default;
}

.week-cell.class {
  background: rgba(200, 184, 154, 0.12);
  color: var(--accent);
  border-left: 2px solid var(--accent);
}

.week-cell.job {
  background: rgba(74, 103, 65, 0.15);
  color: #7aaa6a;
  font-size: 0.6rem;
}

.week-cell.job::after {
  content: 'Work ✓';
}

.week-cell.free {
  background: var(--bg);
  color: var(--text-dim);
}

.week-cell:hover {
  opacity: 0.8;
}

.week-row.lunch .week-cell {
  background: var(--bg-2);
}

.lunch-label {
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  grid-column: 1 / -1;
}

/* ── Monthly grid ── */
.month-grid {
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.month-header-row,
.month-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border-bottom: 1px solid var(--border);
}

.month-day-label {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.5rem;
  text-align: center;
  background: var(--bg-3);
  border-right: 1px solid var(--border);
}

.month-day-label.weekend {
  color: var(--text-dim);
  opacity: 0.5;
}

.month-cell {
  padding: 0.5rem;
  border-right: 1px solid var(--border);
  min-height: 64px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.month-cell.class  { background: rgba(200, 184, 154, 0.08); }
.month-cell.job    { background: rgba(74, 103, 65, 0.12); }
.month-cell.free   { background: var(--bg); }
.month-cell.weekend { background: var(--bg-2); opacity: 0.5; }
.month-cell.empty  { background: var(--bg-2); opacity: 0.3; }

.day-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 700;
}

.month-cell.class .day-num  { color: var(--accent); }
.month-cell.job .day-num    { color: #7aaa6a; }

.day-tag {
  font-size: 0.6rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ── Insight box ── */
.schedule-insight {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
}

.schedule-insight h4 {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 0.5rem;
}

.schedule-insight p {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   FAQ
   ============================================ */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.faq-item {
  background: var(--bg);
}

.faq-item summary {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  padding: 1.1rem 1.5rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.01em;
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--text-dim);
  font-weight: 300;
  transition: transform 0.2s, color 0.2s;
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item[open] summary {
  color: var(--white);
  background: var(--bg-3);
}

.faq-item[open] summary::after {
  content: '×';
  color: var(--accent);
}

.faq-body {
  padding: 1rem 1.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  background: var(--bg-3);
  border-top: 1px solid var(--border);
}

/* ============================================
   GLOSSARY
   ============================================ */

.glossary-search-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-3);
  border: 1px solid var(--border-light);
  padding: 0.5rem 1rem;
  margin-bottom: 1.5rem;
  max-width: 400px;
}

.glossary-search-wrap i {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.glossary-search-wrap input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
}

.glossary-search-wrap input::placeholder {
  color: var(--text-dim);
}

.glossary-section {
  margin-bottom: 2rem;
}

.glossary-cat {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.glossary-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.glossary-item {
  background: var(--bg);
  padding: 0.875rem 1.25rem;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1rem;
  align-items: baseline;
  transition: background 0.15s;
}

.glossary-item:hover {
  background: var(--bg-3);
}

.glossary-item.hidden {
  display: none;
}

.gterm {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.gdef {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================
   USEFUL LINKS
   ============================================ */

.links-body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
}

.links-section h3 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.links-section h3 i {
  color: var(--accent-dim);
}

.links-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.link-item {
  background: var(--bg);
  padding: 0.875rem 1.25rem;
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 1rem;
  align-items: center;
  text-decoration: none;
  transition: background 0.15s;
}

.link-item:hover {
  background: var(--bg-3);
}

.link-item:hover .link-name {
  color: var(--accent);
}

.link-item:hover i {
  color: var(--accent);
}

.link-name {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--white);
  transition: color 0.15s;
}

.link-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.link-item i {
  color: var(--text-dim);
  font-size: 0.75rem;
  transition: color 0.15s;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .glossary-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .link-item {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }

  .link-desc {
    grid-column: 1;
    grid-row: 2;
  }
}

/* ============================================
   CTA / LINKS
   ============================================ */

.contribute-cta {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
}

.nav-link-inline {
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.15s;
}

.nav-link-inline:hover {
  color: var(--white);
}

/* ============================================
   SCROLLBAR
   ============================================ */

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  body {
    display: block;
  }

  .topbar {
    display: flex;
  }

  .sidebar {
    transform: translateX(-100%);
    top: 0;
    height: 100%;
    z-index: 150;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 30px rgba(0,0,0,0.5);
  }

  .overlay.visible {
    display: block;
  }

  .main {
    margin-left: 0;
    margin-top: 52px;
  }

  .page {
    padding: 2rem 1.25rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .prof-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .budget-table th,
  .budget-table td {
    padding: 0.6rem 0.875rem;
  }

  .filter-bar {
    gap: 0.4rem;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 1.5rem 1rem;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .module-details {
    gap: 0.3rem;
  }
}