/* =============================================
   LSAT Portal Design System & Layout (index.css)
   ============================================= */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #0d0d14;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(96, 165, 250, 0.4);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.5);
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --font-main: 'IBM Plex Sans', sans-serif;
  --font-heading: 'Syne', sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

/* ── Header ──────────────────────────────── */
.hdr {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13, 13, 20, 0.92);
  backdrop-filter: blur(16px);
  z-index: 100;
}

.brand {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
}

.brand-icon {
  font-size: 1.4rem;
}

.brand-pill {
  background: linear-gradient(135deg, var(--accent), var(--accent-purple));
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
  box-shadow: 0 0 12px var(--accent-glow);
}

.hdr-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.hdr-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s ease;
}

.hdr-link:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-hover);
  color: #fff;
}

.hdr-btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.hdr-btn-primary:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

/* ── Hero Section ────────────────────────── */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.25);
  color: #60a5fa;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero h1 span {
  background: linear-gradient(135deg, #60a5fa, #c084fc);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin-bottom: 36px;
}

/* ── Tabs Navigation ─────────────────────── */
.tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 32px;
  overflow-x: auto;
}

.tab-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  font-family: inherit;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: #fff;
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.3);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.15);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

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

/* ── Cards Grid ──────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.exam-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.25s ease;
}

.exam-card:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.card-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.card-num {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 6px;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.card-sub {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.tag-easy {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.25);
}

.tag-med {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.25);
}

.tag-hard {
  background: rgba(244, 63, 94, 0.12);
  color: #fb7185;
  border-color: rgba(244, 63, 94, 0.25);
}

.card-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.card-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 4px 14px var(--accent-glow);
}

/* Footer */
.footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 60px;
}

/* ── PDF Export & Page Break Rules ─────────── */
.res-card, .res-box, .res-grid, .q-review-card, .pdf-avoid, [data-pdf-avoid="true"] {
  break-inside: avoid !important;
  page-break-inside: avoid !important;
}

@media print {
  body {
    background-color: #0d0d14 !important;
    color: #ffffff !important;
  }
  .res-card, .q-review-card {
    break-inside: avoid !important;
    page-break-inside: avoid !important;
  }
}