:root {
  --navy: #0b1f3a;
  --navy-2: #12315a;
  --gold: #c9a227;
  --gold-soft: #f4e8c1;
  --bg: #f6f8fb;
  --card: #ffffff;
  --text: #1a2332;
  --muted: #5b677a;
  --line: #e3e8ef;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(11, 31, 58, 0.08);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
a { color: var(--navy-2); text-decoration: none; }
button, .btn {
  appearance: none; border: 0; background: var(--navy); color: #fff;
  border-radius: 999px; padding: 0.65rem 1rem; font-weight: 600; cursor: pointer;
}
.btn.secondary { background: #fff; color: var(--navy); border: 1px solid var(--line); }
.btn.gold { background: var(--gold); color: var(--navy); }
.app-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff; padding: 1rem 1rem 1.25rem; position: sticky; top: 0; z-index: 20;
  box-shadow: var(--shadow);
}
.app-header .kicker { color: var(--gold-soft); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }
.app-header h1 { margin: 0.2rem 0 0; font-size: 1.15rem; line-height: 1.3; }
.app-header .sub { opacity: 0.85; font-size: 0.85rem; margin-top: 0.25rem; }
.wrap { padding: 1rem; max-width: 900px; margin: 0 auto 3rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem; box-shadow: var(--shadow); margin-bottom: 0.85rem;
}
.card h2, .card h3 { margin: 0 0 0.5rem; color: var(--navy); }
.muted { color: var(--muted); font-size: 0.9rem; }
.list { margin: 0.5rem 0 0; padding-left: 1.1rem; }
.list li { margin: 0.35rem 0; }
.nav-grid { display: grid; gap: 0.65rem; }
.nav-link {
  display: block; background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 0.85rem 1rem; color: var(--navy); font-weight: 600;
}
.nav-link small { display: block; font-weight: 500; color: var(--muted); margin-top: 0.2rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.75rem 0; }
.chip {
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 0.35rem 0.7rem; font-size: 0.85rem; color: var(--navy-2);
}
.chip.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.bim-label {
  display: inline-block; background: var(--gold-soft); color: var(--navy);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; padding: 0.2rem 0.5rem;
  border-radius: 6px; margin-bottom: 0.45rem;
}
.bim-card { border-left: 4px solid var(--gold); }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
th, td { text-align: left; padding: 0.55rem 0.45rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--navy); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
.toolbar { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 0.75rem 0 1rem; }
.back { display: inline-flex; align-items: center; gap: 0.35rem; color: var(--gold-soft); font-size: 0.85rem; }
.matrix td:first-child { font-weight: 600; color: var(--navy); }
.bim-grid { display: grid; gap: 0.85rem; }
footer.note { text-align: center; color: var(--muted); font-size: 0.8rem; padding: 1.5rem 1rem; }
@media (min-width: 720px) {
  .app-header h1 { font-size: 1.45rem; }
  .bim-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
  .bim-grid .card { margin-bottom: 0; }
}