:root {
  color-scheme: light;
  --ink: #182019;
  --muted: #667066;
  --paper: #f5f2e9;
  --surface: #fffdf7;
  --line: #d8d5c9;
  --green: #1f5b45;
  --green-dark: #143f31;
  --gold: #d7a934;
  --danger: #a64036;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(215, 169, 52, .13), transparent 30rem),
    var(--paper);
}
button, input, select, textarea { font: inherit; }
button, .button {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: .68rem 1rem;
  color: white;
  background: var(--green);
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button:hover { background: var(--green-dark); }
button:disabled { opacity: .48; cursor: not-allowed; }
.secondary { color: var(--ink); border-color: var(--line); background: var(--surface); }
.secondary:hover { background: #ece8dc; }
.danger { background: var(--danger); }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .72rem .8rem;
  color: var(--ink);
  background: white;
}
label { display: grid; gap: .42rem; color: var(--muted); font-size: .92rem; }
.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface) 94%, transparent);
  box-shadow: 0 18px 55px rgba(33, 42, 34, .08);
}
.muted { color: var(--muted); }
.error { color: var(--danger); }
.success { color: var(--green); }
.hidden { display: none !important; }