:root {
  --navy: #0f172a;
  --navy-light: #1e293b;
  --gold: #f59e0b;
  --gold-dark: #d97706;
  --light: #f8fafc;
  --card-bg: #1e293b;
  --card-hover: #263548;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --success: #10b981;
  --danger: #ef4444;
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --green: #10b981;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  background: var(--navy);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--text);
  margin: 0 0 12px;
}

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

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.truncate { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; }

.fade-in {
  animation: fadeIn 0.4s ease forwards;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* ============== NAVBAR ============== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  border-bottom: 1px solid var(--navy-light);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.logo {
  font-family: 'Playfair Display', serif;
  font-weight: 800;
  font-size: 24px;
  color: var(--gold) !important;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0 0 0 auto;
  padding: 0;
}
.nav-links a {
  color: var(--text);
  font-weight: 500;
  padding: 6px 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.search-wrap {
  position: relative;
  flex: 1;
  max-width: 360px;
  margin-left: 20px;
}
.search-input {
  width: 100%;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--navy-light);
  background: var(--navy-light);
  color: var(--text);
  font-family: inherit;
  outline: none;
}
.search-input:focus { border-color: var(--gold); }
.search-dropdown {
  display: none;
  position: absolute;
  top: 110%;
  left: 0;
  right: 0;
  background: var(--navy-light);
  border: 1px solid #334155;
  border-radius: 8px;
  max-height: 320px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.search-item {
  display: block;
  padding: 10px 14px;
  border-bottom: 1px solid #334155;
  color: var(--text);
}
.search-item:hover { background: var(--card-hover); }
.search-item-name { font-weight: 600; }
.search-item-meta { color: var(--muted); font-size: 12px; }
.search-empty { padding: 14px; color: var(--muted); text-align: center; }

/* ============== HERO ============== */
.hero {
  text-align: center;
  padding: 80px 24px 40px;
}
.hero-title {
  font-size: 48px;
  margin: 0 0 12px;
  color: var(--gold);
}
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  margin: 0;
}

/* ============== SECTION ============== */
.section-title {
  font-size: 24px;
  margin: 32px 0 16px;
  color: var(--gold);
}
.page-title {
  font-size: 32px;
  margin: 12px 0 24px;
  color: var(--text);
}

/* ============== UNIVERSITY CARDS ============== */
.uni-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.uni-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  border-left: 4px solid var(--gold);
  transition: all 0.3s ease;
}
.uni-card:hover {
  background: var(--card-hover);
  transform: scale(1.02);
  border: 1px solid var(--gold);
  border-left-width: 4px;
}
.uni-card h3 {
  font-size: 18px;
  margin: 14px 0 8px;
}
.uni-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 800;
  margin: 0 auto;
}
.city-tag {
  display: inline-block;
  margin: 6px 0 16px;
  padding: 4px 10px;
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold);
  border-radius: 999px;
  font-size: 12px;
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  text-align: center;
  transition: all 0.2s;
  text-decoration: none;
}
.btn-gold {
  background: var(--gold);
  color: var(--navy);
}
.btn-gold:hover {
  background: var(--gold-dark);
  color: var(--navy);
}
.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--navy);
}
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { display: block; width: 100%; }

/* ============== BREADCRUMB ============== */
.breadcrumb {
  color: var(--muted);
  font-size: 13px;
  margin: 16px 0 8px;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--gold); }

/* ============== PROGRAM / BRANCH GRID ============== */
.program-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.prog-card, .branch-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s;
  font-weight: 600;
}
.prog-card:hover, .branch-card:hover {
  background: var(--card-hover);
  transform: scale(1.02);
}
.prog-card.selected, .branch-card.selected {
  border-color: var(--gold);
  background: var(--card-hover);
}
.branch-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

/* ============== SEMESTER GRID ============== */
.semester-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.semester-box {
  background: var(--card-bg);
  padding: 22px;
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  font-weight: 700;
  transition: all 0.2s;
}
.semester-box:hover { background: var(--card-hover); transform: scale(1.02); }
.semester-box.selected { border-color: var(--gold); background: var(--card-hover); }

/* ============== SUBJECTS ============== */
.subject-list { margin-top: 12px; }
.subject-group-label {
  margin: 18px 0 8px;
  font-weight: 700;
  color: var(--gold);
}
.subject-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.subject-row {
  background: var(--card-bg);
  padding: 14px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.subject-row:hover { background: var(--card-hover); transform: scale(1.01); }
.subject-row.selected { border-color: var(--gold); background: var(--card-hover); }
.subject-row .badge { flex-shrink: 0; }

.continue-wrap {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ============== TABS ============== */
.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--navy-light);
  margin: 24px 0 16px;
}
.tab-btn {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 600;
  font-family: inherit;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}
.tab-content { display: none; opacity: 0; }
.tab-content.active { display: block; animation: fadeIn 0.3s ease forwards; }

/* ============== SUBJECT INFO ============== */
.subject-info { margin: 16px 0 8px; }
.subject-title { font-size: 28px; margin: 0 0 4px; color: var(--gold); }

/* ============== ACCORDION ============== */
.accordion {
  background: var(--card-bg);
  border-radius: 8px;
  margin-bottom: 10px;
  overflow: hidden;
}
.accordion-head {
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
}
.accordion-head:hover { background: var(--card-hover); }
.accordion-title { flex: 1; font-weight: 600; }
.accordion-icon { transition: transform 0.3s; }
.accordion.open .accordion-icon { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 18px;
}
.accordion.open .accordion-body {
  max-height: 2000px;
  padding: 0 18px 16px;
}

/* ============== LINK CARDS ============== */
.link-card {
  background: var(--navy);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 10px 0;
  border-left: 3px solid var(--gold);
}
.link-card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.link-title { font-weight: 600; }
.link-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

.pyq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.pyq-card {
  background: var(--card-bg);
  border-radius: 8px;
  padding: 14px;
}
.pyq-head { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.pyq-title { font-weight: 600; margin-bottom: 10px; }

.year-heading {
  margin: 18px 0 8px;
  color: var(--gold);
  font-size: 20px;
}

.empty-msg {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted);
  font-size: 16px;
  background: var(--card-bg);
  border-radius: 8px;
}

/* ============== BADGES ============== */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: var(--navy-light);
  color: var(--text);
}
.badge-gold { background: var(--gold); color: var(--navy); }
.badge-blue { background: var(--blue); color: white; }
.badge-green { background: var(--green); color: white; }
.badge-purple { background: var(--purple); color: white; }
.badge-muted { background: var(--muted); color: var(--navy); }

/* ============== BOTTOM NAV ============== */
.bottom-nav {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============== FOOTER ============== */
.footer {
  text-align: center;
  padding: 30px 20px;
  color: var(--muted);
  background: var(--navy-light);
  margin-top: 60px;
}

/* ============== ADMIN LOGIN ============== */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  padding: 20px;
}
.login-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 40px 30px;
  max-width: 380px;
  width: 100%;
  text-align: center;
}
.login-logo {
  color: var(--gold);
  margin: 0 0 6px;
  font-size: 32px;
}
.form-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: var(--navy);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  margin: 8px 0;
  outline: none;
}
.form-input:focus { border-color: var(--gold); }
.error-msg { color: var(--danger); margin-top: 12px; font-size: 14px; }

/* ============== ADMIN LAYOUT ============== */
.admin-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 260px;
  background: var(--navy-light);
  padding: 24px 16px;
  border-right: 1px solid #334155;
  overflow-y: auto;
  z-index: 50;
}
.sidebar-logo {
  font-family: 'Playfair Display', serif;
  color: var(--gold);
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 24px;
  text-align: center;
}
.sidebar-menu {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.sidebar-menu li {
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 4px;
  transition: all 0.2s;
}
.sidebar-menu li:hover { background: var(--card-hover); }
.sidebar-menu li.active {
  background: var(--gold);
  color: var(--navy);
  font-weight: 700;
}
.sidebar-counts {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.count-badge {
  background: var(--navy);
  padding: 8px 12px;
  border-radius: 6px;
  text-align: center;
  font-size: 13px;
}
.count-badge span { color: var(--gold); font-weight: 700; }

.admin-main {
  margin-left: 260px;
  padding: 24px;
  min-height: 100vh;
}
.admin-section { display: none; }
.admin-section.active { display: block; animation: fadeIn 0.3s ease; }

/* ============== ADMIN FORMS ============== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 16px 0;
  background: var(--card-bg);
  padding: 18px;
  border-radius: 8px;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  color: var(--muted);
  gap: 4px;
}
.form-grid label.full { grid-column: 1 / -1; }
.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.counter {
  font-size: 11px;
  color: var(--muted);
  align-self: flex-end;
}
.success-msg { color: var(--success); margin-top: 8px; grid-column: 1 / -1; }
.info-banner {
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold);
  padding: 12px 14px;
  border-radius: 8px;
  margin: 16px 0;
  border-left: 4px solid var(--gold);
}

/* ============== DASHBOARD STATS ============== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 16px;
}
.stat-card {
  background: var(--card-bg);
  padding: 24px;
  border-radius: 10px;
  text-align: center;
  border-left: 4px solid var(--gold);
}
.stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--gold);
  font-family: 'Playfair Display', serif;
}
.stat-label {
  color: var(--muted);
  font-size: 13px;
  margin-top: 4px;
}

/* ============== CONTENT MANAGER ============== */
.cm-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 16px;
}
.cm-panel {
  background: var(--card-bg);
  padding: 16px;
  border-radius: 8px;
}
.unit-list {
  max-height: 240px;
  overflow-y: auto;
  margin-bottom: 14px;
}
.unit-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--navy);
  border-radius: 6px;
  margin-bottom: 6px;
}
.unit-title { flex: 1; }
.row-actions { display: flex; gap: 6px; }

/* ============== TABLES ============== */
.table-wrap { overflow-x: auto; margin-top: 16px; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
}
.data-table th {
  background: var(--gold);
  color: var(--navy);
  padding: 10px;
  text-align: left;
  font-size: 13px;
}
.data-table td {
  padding: 10px;
  border-top: 1px solid #334155;
  font-size: 13px;
}
.data-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.data-table a { color: var(--blue); }

/* ============== GOOGLE PREVIEW ============== */
.google-preview {
  background: white;
  color: #333;
  padding: 16px;
  border-radius: 8px;
  max-width: 600px;
  margin-top: 16px;
  font-family: Arial, sans-serif;
}
.gp-title { color: #1a0dab; font-size: 20px; line-height: 1.3; }
.gp-url { color: #006621; font-size: 14px; margin: 4px 0; }
.gp-desc { color: #545454; font-size: 14px; line-height: 1.4; }

/* ============== RESPONSIVE ============== */
@media (max-width: 768px) {
  .hero-title { font-size: 32px; }
  .uni-grid { grid-template-columns: 1fr; }
  .program-grid { grid-template-columns: repeat(2, 1fr); }
  .branch-grid { grid-template-columns: repeat(2, 1fr); }
  .semester-grid { grid-template-columns: repeat(2, 1fr); }
  .subject-grid { grid-template-columns: 1fr; }
  .pyq-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .cm-split { grid-template-columns: 1fr; }
  .admin-sidebar {
    width: 100%;
    position: relative;
    height: auto;
  }
  .admin-main { margin-left: 0; }
  .nav-inner { flex-wrap: wrap; }
  .search-wrap { order: 3; width: 100%; max-width: 100%; margin: 8px 0 0; }
  .nav-links { gap: 12px; font-size: 14px; }
  .bottom-nav { flex-direction: column; }
  .bottom-nav .btn { width: 100%; }
}