:root {
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  color: #1a202c;
  background: #f7fafc;
  --primary: #1a365d;
  --accent: #2b6cb0;
  --muted: #718096;
  --border: #e2e8f0;
  --success: #25855a;
  --warning: #b7791f;
  --danger: #c53030;
}
* { box-sizing: border-box; }
body { margin: 0; }
.header {
  display: flex; justify-content: space-between; gap: 24px; align-items: center;
  padding: 28px clamp(20px, 5vw, 64px); color: white;
  background: linear-gradient(135deg, var(--primary), #2c5282 58%, var(--accent));
}
.eyebrow { font-size: 11px; font-weight: 800; letter-spacing: .15em; opacity: .8; }
h1 { margin: 3px 0; font-size: clamp(24px, 3vw, 34px); letter-spacing: -.03em; }
#subtitle { margin: 0; opacity: .82; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.mode, .badge {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: 10px; font-weight: 800; letter-spacing: .05em;
}
.mode { color: #d8eeff; background: #ffffff20; }
button, select { font: inherit; }
.header button {
  padding: 8px 14px; border: 1px solid #ffffff70; border-radius: 7px;
  color: white; background: #ffffff12; cursor: pointer;
}
.setup {
  display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 12px;
  padding: 14px clamp(20px, 5vw, 64px); background: #edf2f7; border-bottom: 1px solid var(--border);
}
.setup label { color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.setup select { display: block; width: 100%; margin-top: 4px; padding: 7px; border: 1px solid #cbd5e0; border-radius: 6px; background: white; }
.tabs {
  position: sticky; top: 0; z-index: 5; display: flex; overflow-x: auto;
  padding: 0 clamp(12px, 4vw, 48px); background: white; border-bottom: 2px solid var(--border);
}
.tabs button {
  padding: 14px 20px; border: 0; border-bottom: 3px solid transparent;
  color: var(--muted); background: none; font-size: 12px; font-weight: 700; white-space: nowrap; cursor: pointer;
}
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); }
main { max-width: 1400px; min-height: 65vh; margin: auto; padding: 28px clamp(18px, 4vw, 48px); }
.tab { display: none; }
.tab.active { display: block; }
#status.error { padding: 14px; color: var(--danger); background: #fff5f5; border-left: 4px solid var(--danger); }
.headline, .card, .opportunity, .action {
  margin-bottom: 20px; padding: 22px; border: 1px solid var(--border); border-radius: 10px; background: white;
  box-shadow: 0 1px 3px #0000000b;
}
.headline { border-left: 6px solid var(--warning); background: linear-gradient(135deg, #fff, #fffdf4); }
.headline .eyebrow { color: var(--warning); }
.headline h2 { margin: 5px 0 8px; color: var(--primary); font-size: clamp(20px, 3vw, 26px); line-height: 1.3; }
.headline p, .sub { color: #4a5568; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); gap: 14px; margin: 20px 0; }
.metric { padding: 18px; border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 9px; background: white; }
.metric.warning { border-left-color: var(--warning); }
.metric.danger { border-left-color: var(--danger); }
.metric.success { border-left-color: var(--success); }
.metric-value { color: var(--primary); font-size: 28px; font-weight: 800; }
.metric-label { margin-top: 4px; color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.metric-note { margin-top: 5px; color: var(--muted); font-size: 11px; }
.card h2 { margin: 0 0 4px; color: var(--primary); font-size: 18px; }
.bar-row { display: grid; grid-template-columns: minmax(110px, 220px) 1fr 100px; gap: 12px; align-items: center; margin: 14px 0; font-size: 12px; }
.bar-track { height: 12px; overflow: hidden; border-radius: 8px; background: #edf2f7; }
.bar { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--accent), #63b3ed); }
.opportunity { display: grid; grid-template-columns: 44px 1fr auto; gap: 16px; border-left: 4px solid var(--warning); }
.rank { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--primary); font-weight: 800; }
.opportunity h3, .action h3 { margin: 0 0 5px; color: var(--primary); font-size: 15px; }
.impact { color: var(--danger); font-weight: 800; white-space: nowrap; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { padding: 10px; color: white; background: var(--primary); text-align: left; text-transform: uppercase; font-size: 10px; letter-spacing: .05em; }
td { padding: 10px; border-bottom: 1px solid var(--border); }
td.number, th.number { text-align: right; }
.badge.high { color: #9b2c2c; background: #fed7d7; }
.badge.medium { color: #975a16; background: #fefcbf; }
.badge.low { color: #276749; background: #c6f6d5; }
.action { border-left: 4px solid var(--accent); }
.action-tag { color: var(--accent); font-size: 11px; font-weight: 800; text-transform: uppercase; }
footer { padding: 20px; color: var(--muted); text-align: center; font-size: 11px; }
@media (max-width: 700px) {
  .header { align-items: flex-start; padding: 22px 18px; }
  .setup { grid-template-columns: 1fr 1fr; padding: 12px 18px; }
  .opportunity { grid-template-columns: 40px 1fr; }
  .impact { grid-column: 2; }
  .bar-row { grid-template-columns: 100px 1fr 70px; }
}