:root {
  color-scheme: light;
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0.008 326);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0.008 326);
  --primary: oklch(0.488 0.243 264.376);
  --primary-foreground: oklch(0.97 0.014 254.604);
  --secondary: oklch(0.967 0.001 286.375);
  --secondary-foreground: oklch(0.21 0.006 285.885);
  --muted: oklch(0.96 0.003 325.6);
  --muted-foreground: oklch(0.542 0.034 322.5);
  --accent: oklch(0.96 0.003 325.6);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0.005 325.62);
  --ring: oklch(0.711 0.019 323.02);
  --radius: 0.625rem;
  font-family: Inter, "Microsoft YaHei", system-ui, sans-serif;
  background: var(--background);
  color: var(--foreground);
}
.dark {
  color-scheme: dark;
  --background: oklch(0.145 0.008 326);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.212 0.019 322.12);
  --card-foreground: oklch(0.985 0 0);
  --primary: oklch(0.424 0.199 265.638);
  --primary-foreground: oklch(0.97 0.014 254.604);
  --secondary: oklch(0.274 0.006 286.033);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.263 0.024 320.12);
  --muted-foreground: oklch(0.711 0.019 323.02);
  --accent: oklch(0.263 0.024 320.12);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 10%);
  --ring: oklch(0.542 0.034 322.5);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 18% 0%, color-mix(in oklch, var(--primary) 12%, transparent) 0, transparent 35%), var(--background); }
.shell { width: min(1040px, calc(100% - 40px)); margin: 0 auto; padding: 54px 0 80px; }
header, .section-title, .policy, .request, .lease-details { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
header { margin-bottom: 34px; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(30px, 5vw, 48px); letter-spacing: -.04em; }
h2 { font-size: 22px; }
.eyebrow { color: var(--primary); font-size: 12px; letter-spacing: .16em; font-weight: 800; margin-bottom: 8px; }
.lead, small { color: var(--muted-foreground); }
.lead { margin-top: 12px; }
a, button { font: inherit; }
a { color: var(--primary); text-decoration: none; border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 14px; }
.policy, .card { color: var(--card-foreground); background: color-mix(in oklch, var(--card) 94%, transparent); border: 1px solid var(--border); border-radius: calc(var(--radius) + 8px); box-shadow: 0 20px 60px oklch(0.145 0.008 326 / 12%); }
.policy { padding: 18px 22px; justify-content: flex-start; margin-bottom: 18px; }
.policy div { display: grid; gap: 3px; flex: 1; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 16px color-mix(in oklch, var(--primary) 55%, transparent); }
#clock { color: var(--muted-foreground); font-variant-numeric: tabular-nums; }
.card { padding: 24px; margin-top: 18px; }
.active-card { border-color: var(--ring); }
.section-title { margin-bottom: 20px; }
.count { min-width: 30px; height: 30px; display: grid; place-items: center; border-radius: 999px; background: var(--accent); color: var(--primary); font-weight: 800; }
.empty { padding: 26px 4px; color: var(--muted-foreground); text-align: center; }
.request-list { display: grid; gap: 12px; }
.request { padding: 16px; border-radius: calc(var(--radius) + 3px); border: 1px solid var(--border); background: var(--muted); }
.identity { display: grid; gap: 5px; min-width: 0; }
.identity strong { font-size: 17px; }
.identity code, .identity span { color: var(--muted-foreground); font-size: 12px; overflow-wrap: anywhere; }
.actions { display: flex; gap: 8px; }
button { color: var(--primary-foreground); background: var(--primary); border: 0; border-radius: var(--radius); padding: 10px 14px; cursor: pointer; font-weight: 750; }
button:hover { filter: brightness(1.12); }
button:disabled { opacity: .45; cursor: wait; }
button.secondary { color: var(--secondary-foreground); background: var(--secondary); }
button.danger { color: var(--primary-foreground); background: var(--destructive); }
.lease-details { justify-content: flex-start; flex-wrap: wrap; padding: 18px; border-radius: calc(var(--radius) + 3px); background: var(--muted); border: 1px solid var(--ring); }
.lease-details .timer { margin-left: auto; color: var(--primary); font-weight: 850; font-size: 22px; font-variant-numeric: tabular-nums; }
.message { margin-top: 18px; min-height: 24px; color: var(--primary); }
@media (max-width: 680px) { .shell { width: min(100% - 24px, 1040px); padding-top: 26px; } header, .request, .lease-details { align-items: flex-start; flex-direction: column; } .actions { width: 100%; } .actions button { flex: 1; } .lease-details .timer { margin-left: 0; } }