:root {
  color-scheme: dark;
  --bg: #0b0c0f;
  --panel: #15171c;
  --border: #2a2d35;
  --text: #e6e8eb;
  --muted: #8b8f98;
  --accent: #f0b429;
  --h: #35d07f;
  --m: #5aa9ff;
  --g: #c77dff;
  --risky: #ff6b6b;
  --dead: #6b6f78;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.eyebrow {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 600;
}

h1 {
  margin: 8px 0;
  font-size: 26px;
}

h2 {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

code {
  background: #1d2027;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.9em;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
}

.scene-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.scene-picker button,
#btn-play {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 13px;
}

.scene-picker button:hover,
#btn-play:hover {
  border-color: var(--accent);
  color: var(--accent);
}

#scene-title {
  color: var(--muted);
  font-size: 13px;
  margin-top: 10px;
}

#pet-stage {
  text-align: center;
  padding: 24px 12px;
  transition: filter 300ms ease;
}

#pet-stage.dead {
  filter: grayscale(1);
}

#action-bubble {
  font-size: 22px;
  font-weight: 700;
  min-height: 30px;
}

#s-countdown {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

#s-countdown.risky {
  color: var(--risky);
  font-weight: 700;
}

.gauge {
  margin: 10px 0;
}

.gauge .row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}

.gauge .track {
  height: 10px;
  border-radius: 6px;
  background: #1d2027;
  overflow: hidden;
}

.gauge .fill {
  height: 100%;
  border-radius: 6px;
  transition: width 260ms ease;
}

.gauge.h .fill {
  background: var(--h);
}

.gauge.m .fill {
  background: var(--m);
}

.gauge.g .fill {
  background: var(--g);
}

.tick-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
}

footer {
  color: var(--muted);
  font-size: 12px;
  margin-top: 24px;
}

footer a {
  color: var(--accent);
}

footer .iron-rule {
  border-left: 3px solid var(--accent);
  padding-left: 12px;
  margin: 12px 0;
}