:root {
  color-scheme: light dark;
  --bg: #f5f1e8;
  --ink: #211d18;
  --muted: #6c6257;
  --line: #d5c7b0;
  --panel: #fffaf1;
  --accent: #7b2f27;
  --accent-ink: #fff7ef;
  --shadow: 0 18px 48px rgba(44, 30, 17, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(123, 47, 39, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(123, 47, 39, 0.06) 1px, transparent 1px),
    var(--bg);
  background-size: 28px 28px;
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 16px;
}

.panel {
  width: min(720px, 100%);
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
}

.watermark {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1;
  opacity: 0.34;
  text-align: right;
  user-select: none;
}

.kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.dice-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(76px, 1fr));
  gap: 12px;
  margin: 34px 0 20px;
}

.die {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
  color: var(--accent);
  font-size: clamp(2rem, 10vw, 4.5rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

button {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

button:active {
  transform: translateY(1px);
}

.result {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.meta strong {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

blockquote {
  margin: 18px 0 0;
  padding: 0;
  font-size: clamp(1.2rem, 4.5vw, 1.85rem);
  line-height: 1.55;
  font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
}

.note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 560px) {
  .watermark {
    margin-top: 14px;
    font-size: 0.7rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #181512;
    --ink: #f0e8dc;
    --muted: #b7aa99;
    --line: #4a3c2d;
    --panel: #242018;
    --accent: #c86255;
    --accent-ink: #1c1210;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  }

  .die {
    background: #1d1a16;
  }
}