:root {
  color-scheme: light;
  --background: oklch(0.968 0.019 244);
  --foreground: oklch(0.29 0.042 252);
  --card: oklch(0.993 0.007 245);
  --card-foreground: oklch(0.34 0.032 250);
  --primary: oklch(0.57 0.19 258);
  --primary-foreground: oklch(0.99 0.004 245);
  --secondary: oklch(0.94 0.03 244);
  --secondary-foreground: oklch(0.38 0.045 250);
  --muted: oklch(0.955 0.017 245);
  --muted-foreground: oklch(0.53 0.035 248);
  --accent: oklch(0.918 0.045 249);
  --destructive: oklch(0.61 0.19 24);
  --border: oklch(0.85 0.04 245);
  --ring: oklch(0.65 0.14 256);
  --radius: 0.875rem;
  font-family: Inter, "Microsoft YaHei", system-ui, sans-serif;
  background: var(--background);
  color: var(--foreground);
}
.dark {
  color-scheme: dark;
  --background: oklch(0.2 0.035 252);
  --foreground: oklch(0.94 0.02 245);
  --card: oklch(0.25 0.035 251);
  --card-foreground: oklch(0.91 0.022 245);
  --primary: oklch(0.7 0.15 252);
  --primary-foreground: oklch(0.19 0.04 253);
  --secondary: oklch(0.285 0.045 250);
  --secondary-foreground: oklch(0.92 0.02 245);
  --muted: oklch(0.275 0.032 250);
  --muted-foreground: oklch(0.72 0.04 245);
  --accent: oklch(0.32 0.065 250);
  --destructive: oklch(0.7 0.18 24);
  --border: oklch(1 0 0 / 10%);
  --ring: oklch(0.68 0.13 252);
}
* { 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(0.29 0.042 252 / 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; } }