:root {
  --bg: #f5f7ff;
  --surface: rgba(255,255,255,0.82);
  --surface-strong: #ffffff;
  --text: #182033;
  --muted: #667085;
  --line: #e7eaf6;
  --primary: #6c63ff;
  --primary-2: #8b5cf6;
  --accent: #22c55e;
  --accent-2: #06b6d4;
  --danger: #ef4444;
  --warning: #f59e0b;
  --shadow: 0 12px 30px rgba(61,76,133,.12);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Poppins, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(139,92,246,.15), transparent 22%),
    radial-gradient(circle at top left, rgba(6,182,212,.12), transparent 18%),
    linear-gradient(180deg, #f8f9ff 0%, #f3f6ff 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
.text-muted-genz { color: var(--muted); }

.genz-shell { min-height: 100vh; }
.genz-navbar {
  position: sticky; top: 0; z-index: 1030;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,.7);
  border-bottom: 1px solid rgba(255,255,255,.65);
}
.genz-navbar .navbar-brand {
  font-weight: 800; letter-spacing: -.02em;
}
.genz-brand-badge {
  display:inline-flex; align-items:center; justify-content:center;
  width: 36px; height: 36px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent-2));
  color: #fff; margin-right: 10px; font-weight: 800;
  box-shadow: var(--shadow);
}

.genz-container { max-width: 1240px; margin: 0 auto; padding: 24px 18px 40px; }
.genz-hero {
  padding: 28px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(108,99,255,.96), rgba(6,182,212,.82));
  color: #fff;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.genz-hero:after {
  content: '';
  position: absolute;
  right: -50px; top: -50px;
  width: 220px; height: 220px;
  background: rgba(255,255,255,.12);
  border-radius: 50%;
}
.genz-hero h1, .genz-hero h2 { font-weight: 800; letter-spacing: -.03em; }
.genz-hero p { max-width: 720px; opacity: .95; }

.genz-grid { display:grid; gap: 18px; }
.genz-grid.stats { grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); margin-top: 18px; }
.genz-grid.main { grid-template-columns: 1.3fr .7fr; margin-top: 20px; }
@media (max-width: 992px) { .genz-grid.main { grid-template-columns: 1fr; } }

.genz-card {
  background: var(--surface);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow);
}
.genz-card.sm { border-radius: 20px; padding: 18px; }
.genz-card h3, .genz-card h4 { font-weight: 800; letter-spacing: -.02em; }
.genz-card:hover { transform: translateY(-1px); transition: .2s ease; }

.genz-stat-value { font-size: 2rem; font-weight: 800; line-height: 1; }
.genz-stat-label { color: var(--muted); font-weight: 600; margin-top: 6px; }
.genz-chip {
  display:inline-flex; align-items:center; gap:8px;
  padding: 7px 12px; border-radius: 999px;
  background: rgba(255,255,255,.2); color: inherit;
  font-size: .85rem; font-weight: 700;
}
.genz-chip.light { background: #eef2ff; color: #4338ca; }
.genz-chip.green { background: #ecfdf3; color: #15803d; }
.genz-chip.orange { background: #fff7ed; color: #c2410c; }
.genz-chip.red { background: #fef2f2; color: #b91c1c; }

.genz-section-title { display:flex; align-items:center; justify-content:space-between; margin-bottom: 14px; }
.genz-section-title h3 { margin: 0; }

.genz-list { display:flex; flex-direction:column; gap: 12px; }
.genz-item {
  padding: 16px; border-radius: 18px; background: #fff; border: 1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap: 12px;
}
.genz-item-left { min-width: 0; }
.genz-item-title { font-weight: 800; margin-bottom: 4px; }
.genz-item-meta { color: var(--muted); font-size: .92rem; }

.genz-btn {
  border: 0; border-radius: 14px; padding: 11px 16px; font-weight: 700; cursor:pointer;
  transition: .18s ease;
}
.genz-btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color:#fff; box-shadow: 0 8px 18px rgba(108,99,255,.28); }
.genz-btn-primary:hover { transform: translateY(-1px); }
.genz-btn-soft { background: #eef2ff; color: #4338ca; }
.genz-btn-success { background: linear-gradient(135deg, #22c55e, #06b6d4); color: #fff; }
.genz-btn-danger { background: #fff1f2; color: #be123c; }

.genz-tabbar { display:flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.genz-tab {
  padding: 11px 15px; border-radius: 14px; border:1px solid var(--line); background:#fff; font-weight:700; color: var(--muted);
}
.genz-tab.active { background: linear-gradient(135deg, rgba(108,99,255,.12), rgba(6,182,212,.12)); color: #312e81; border-color: #d9dcff; }

.genz-progress-wrap { width: 100%; height: 10px; background: #edf1fb; border-radius: 999px; overflow: hidden; }
.genz-progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent-2)); border-radius: 999px; }

.genz-exam-layout { display:grid; grid-template-columns: 1fr 320px; gap: 18px; align-items: start; }
@media (max-width: 1100px) { .genz-exam-layout { grid-template-columns: 1fr; } }
.genz-sidebar { position: sticky; top: 82px; }
.genz-timer {
  font-size: 2rem; font-weight: 800; letter-spacing: -.03em; text-align:center;
  padding: 14px 16px; border-radius: 18px; background: linear-gradient(135deg,#111827,#374151); color:#fff;
}
.genz-question-card { padding: 22px; }
.genz-question-number { color: var(--primary); font-weight: 800; margin-bottom: 10px; }
.genz-question-text { font-size: 1.08rem; font-weight: 600; line-height: 1.7; }
.genz-options { display:grid; gap: 12px; margin-top: 16px; }
.genz-option {
  display:flex; align-items:flex-start; gap: 12px; padding: 14px 16px;
  border: 1px solid var(--line); border-radius: 18px; background:#fff; cursor:pointer;
  transition: .18s ease;
}
.genz-option:hover { border-color: #c9d2ff; transform: translateY(-1px); }
.genz-option.active { border-color: #756dff; background: #f6f5ff; box-shadow: 0 10px 20px rgba(108,99,255,.08); }
.genz-option-bullet {
  min-width: 34px; width:34px; height:34px; border-radius: 12px;
  display:inline-flex; align-items:center; justify-content:center;
  background: #eef2ff; color:#4338ca; font-weight: 800;
}
.genz-navnums { display:grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.genz-navnum {
  height: 42px; border-radius: 14px; background:#fff; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; font-weight:800;
}
.genz-navnum.done { background: #ecfdf3; color:#166534; border-color:#bbf7d0; }
.genz-navnum.active { background: #eef2ff; color:#4338ca; border-color:#c7d2fe; }
.genz-navnum.flag { background: #fff7ed; color:#c2410c; border-color:#fed7aa; }

.genz-empty {
  text-align:center; padding: 34px 18px; border: 1px dashed #d8def5; border-radius: 22px; color: var(--muted);
  background: rgba(255,255,255,.65);
}

.genz-login-card {
  max-width: 460px; margin: 48px auto; padding: 26px;
}
.genz-form-control {
  width:100%; border:1px solid var(--line); background:#fff; border-radius:16px; padding: 12px 14px; outline:none;
}
.genz-form-control:focus { border-color:#b9c2ff; box-shadow: 0 0 0 4px rgba(108,99,255,.08); }

.badge-level { font-size:.8rem; font-weight:800; padding:7px 10px; border-radius:999px; }
.badge-level.easy { background:#ecfdf3; color:#166534; }
.badge-level.medium { background:#fff7ed; color:#9a3412; }
.badge-level.hard { background:#fef2f2; color:#991b1b; }

.micro-note { font-size: .88rem; color: var(--muted); }