:root {
  --bg: #0b0f14;
  --bg-elev: #11161d;
  --bg-card: #161c24;
  --text: #e6edf3;
  --muted: #8b96a3;
  --border: #232c38;
  --accent: #58a6ff;
  --warn-bg: #2b1f11;
  --warn-border: #c69026;
  --info-bg: #11212b;
  --info-border: #58a6ff;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif; line-height: 1.5; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: "SF Mono", Menlo, Consolas, monospace; }
pre { background: var(--bg-elev); padding: 12px; border-radius: 6px; overflow-x: auto; border: 1px solid var(--border); }

.topbar { display: flex; align-items: center; gap: 16px; padding: 12px 24px; background: var(--bg-elev); border-bottom: 1px solid var(--border); }
.brand a { color: var(--text); font-weight: 700; font-size: 1.05rem; }
.nav { display: flex; gap: 16px; margin-left: 24px; flex: 1; }
.nav a { color: var(--muted); }
.nav a:hover { color: var(--text); }
.status-pill { background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-border); padding: 4px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.5px; }

.container { max-width: 1080px; margin: 0 auto; padding: 24px; }
.hero { padding: 32px 0 16px; }
.hero h1 { font-size: 2rem; margin: 0 0 8px; }
.subtitle { color: var(--muted); margin: 0 0 16px; max-width: 760px; }
.cta-row { display: flex; gap: 12px; margin-top: 12px; }

.btn { display: inline-block; padding: 10px 16px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text); font-weight: 600; cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #0b0f14; border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin: 20px 0; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; margin: 20px 0; }

.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card .meta { font-size: 0.85rem; color: var(--muted); margin: 0 0 8px; }
.card .price { font-weight: 700; color: var(--accent); }
.card .tier { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; background: var(--bg-elev); border: 1px solid var(--border); }
.card .tier.AA_DIAMOND { background: #1d1206; border-color: #c69026; color: #c69026; }
.card .tier.A { background: #14271d; border-color: #2da44e; color: #2da44e; }
.card .tier.B { background: var(--bg-elev); }

.banner { padding: 12px 16px; border-radius: 6px; margin: 16px 0; border: 1px solid; }
.banner-warning { background: var(--warn-bg); border-color: var(--warn-border); }
.banner-info { background: var(--info-bg); border-color: var(--info-border); }

.muted { color: var(--muted); font-size: 0.9rem; }
.back-link { color: var(--muted); }

.filters { display: flex; gap: 16px; align-items: center; padding: 12px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 6px; }
.filters label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 0.9rem; }
.filters select { background: var(--bg); color: var(--text); border: 1px solid var(--border); padding: 6px 10px; border-radius: 4px; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0; }
.kv dt { color: var(--muted); font-weight: 600; }
.kv dd { margin: 0; word-break: break-word; }

.ascii-checks { margin: 0; padding: 0; list-style: none; }
.ascii-checks li { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 0.85rem; padding: 2px 0; color: #2da44e; }

.scenario-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 14px; cursor: pointer; transition: border-color 0.15s ease; }
.scenario-card:hover { border-color: var(--accent); }
.scenario-card.selected { border-color: var(--accent); background: #11212b; }
.scenario-card h4 { margin: 0 0 6px; font-size: 0.95rem; }
.scenario-card .row { display: flex; justify-content: space-between; gap: 8px; font-size: 0.85rem; padding: 2px 0; }
.scenario-card .row .label { color: var(--muted); }
.scenario-card .badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.7rem; margin-right: 6px; }
.scenario-card .badge.risk-standard { background: var(--bg-elev); border: 1px solid var(--border); color: var(--muted); }
.scenario-card .badge.risk-elevated { background: #2b1f11; border: 1px solid #c69026; color: #c69026; }
.scenario-card .badge.risk-high { background: #2b1117; border: 1px solid #e0586a; color: #e0586a; }
.scenario-card .badge.risk-blocked { background: #1a0d12; border: 1px solid #e0586a; color: #e0586a; opacity: 0.7; }

.checkout-section { margin-top: 24px; padding: 20px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; }
.checkout-section h3 { margin-top: 0; }

.footer { text-align: center; padding: 24px; color: var(--muted); border-top: 1px solid var(--border); margin-top: 48px; }