:root {
  --bg: #0f172a;
  --bg-soft: #111c33;
  --card: rgba(30, 41, 59, 0.82);
  --card-strong: #1e293b;
  --line: rgba(148, 163, 184, 0.18);
  --line-strong: rgba(148, 163, 184, 0.32);
  --text: #e5edf8;
  --muted: #94a3b8;
  --muted-2: #64748b;
  --primary: #3b82f6;
  --primary-2: #60a5fa;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --shadow: 0 24px 80px rgba(2, 8, 23, 0.45);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --font: "HarmonyOS Sans", "MiSans", "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font);
  background:
    radial-gradient(circle at 8% 5%, rgba(59, 130, 246, 0.28), transparent 28%),
    radial-gradient(circle at 88% 12%, rgba(34, 211, 238, 0.16), transparent 30%),
    linear-gradient(145deg, #0f172a 0%, #111827 46%, #07111f 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent 78%);
}

button,
input,
select { font: inherit; }

button { cursor: pointer; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.34); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }