:root {
  --bg: #0c0c0f;
  --bg-soft: #141418;
  --text: #eae8e4;
  --text-muted: #8a8884;
  --accent: hsl(var(--hue, 200), 62%, 68%);
  --accent-soft: hsla(var(--hue, 200), 62%, 68%, 0.18);
  --accent-glow: hsla(var(--hue, 200), 70%, 62%, 0.45);
  --radius: 999px;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body.play-body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.play-app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) 1.25rem env(safe-area-inset-bottom);
}

.play-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 0 .5rem;
  font-size: .8rem;
  letter-spacing: .12em;
}
.play-brand {
  font-weight: 600;
  color: var(--text);
  opacity: .9;
}
.play-day {
  color: var(--text-muted);
  font-weight: 400;
}

.play-stage {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  transition: opacity .6s ease, transform .6s ease;
}
.play-stage.is-done {
  opacity: 0;
  pointer-events: none;
  transform: scale(.96);
  position: absolute;
  inset: 0;
}

.play-hint {
  font-size: .95rem;
  color: var(--text-muted);
  letter-spacing: .2em;
  font-weight: 300;
  animation: hintFade 3s ease-in-out infinite;
}
@keyframes hintFade {
  0%, 100% { opacity: .45; }
  50% { opacity: .85; }
}

.play-orb-wrap {
  position: relative;
  width: min(52vw, 220px);
  height: min(52vw, 220px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-orb {
  width: 72%;
  height: 72%;
  border-radius: var(--radius);
  background: radial-gradient(circle at 35% 35%, var(--accent), hsl(var(--hue), 45%, 42%) 70%);
  box-shadow: 0 0 60px var(--accent-glow), 0 0 120px var(--accent-soft);
  cursor: pointer;
  touch-action: none;
  transition: transform .15s ease-out, box-shadow .3s ease;
  animation: orbPulse 4s ease-in-out infinite;
}
.play-orb:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 8px;
}
.play-orb.is-holding {
  animation: none;
  transform: scale(1.08);
  box-shadow: 0 0 80px var(--accent-glow), 0 0 160px var(--accent-soft);
}
.play-orb.is-open {
  animation: orbOpen .8s cubic-bezier(.22, 1, .36, 1) forwards;
}

.play-orb-ring {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 1px solid var(--accent-soft);
  opacity: .35;
  pointer-events: none;
}

@keyframes orbPulse {
  0%, 100% { transform: scale(1); opacity: .92; }
  50% { transform: scale(1.04); opacity: 1; }
}
@keyframes orbOpen {
  to { transform: scale(1.35); opacity: 0; }
}

/* 动画变体 */
.anim-bloom_up .play-orb.is-holding { transform: scale(1.08) translateY(-4px); }
.anim-bloom_down .play-orb.is-holding { transform: scale(1.08) translateY(4px); }
.anim-drift .play-orb { animation: orbPulse 5s ease-in-out infinite, orbDrift 8s ease-in-out infinite; }
@keyframes orbDrift {
  0%, 100% { translate: 0 0; }
  50% { transform: translate(6px, -8px); }
}
.anim-glow .play-orb { box-shadow: 0 0 80px var(--accent-glow), 0 0 200px var(--accent-soft); }
.anim-ripple .play-orb-ring {
  animation: ringRipple 3s ease-out infinite;
}
@keyframes ringRipple {
  0% { transform: scale(.85); opacity: .5; }
  100% { transform: scale(1.15); opacity: 0; }
}

.play-result {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem 0 2rem;
  animation: resultIn .9s cubic-bezier(.22, 1, .36, 1) both;
}
.play-result[hidden] { display: none !important; }
@keyframes resultIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.play-special {
  font-size: .75rem;
  letter-spacing: .25em;
  color: var(--accent);
  margin-bottom: 1rem;
  text-transform: none;
}
.play-line-main {
  font-size: clamp(1.35rem, 5vw, 1.75rem);
  font-weight: 300;
  line-height: 1.65;
  letter-spacing: .06em;
  max-width: 16em;
  color: var(--text);
}
.play-line-sub {
  margin-top: 1rem;
  font-size: .95rem;
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: .08em;
}
.play-tomorrow {
  margin-top: 2rem;
  font-size: .8rem;
  color: var(--text-muted);
  opacity: .7;
}
.hint { font-weight: 300; }

.play-actions {
  display: flex;
  gap: .75rem;
  margin-top: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}
.play-btn {
  border: none;
  border-radius: var(--radius);
  padding: .65rem 1.6rem;
  font-size: .9rem;
  letter-spacing: .15em;
  cursor: pointer;
  font-family: inherit;
  transition: background .2s, opacity .2s;
}
.play-btn-primary {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid hsla(var(--hue), 50%, 60%, .35);
}
.play-btn-primary:hover { background: hsla(var(--hue), 50%, 60%, .28); }
.play-btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid rgba(255,255,255,.08);
}
.play-btn-ghost:hover { color: var(--text); }

.play-together {
  margin-top: 1.5rem;
  font-size: .78rem;
  color: var(--text-muted);
  opacity: .65;
}

.play-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: .75rem 1.25rem;
  padding: 1rem 0 .5rem;
  font-size: .75rem;
}
.play-sound-toggle {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  color: var(--text-muted);
  padding: .35rem .75rem;
  cursor: pointer;
  font-family: inherit;
  font-size: .75rem;
}
.play-sound-toggle[aria-pressed="true"] {
  color: var(--accent);
  border-color: hsla(var(--hue), 50%, 60%, .4);
  background: var(--accent-soft);
}
.play-link-official,
.play-link-muted {
  color: var(--text-muted);
  text-decoration: none;
  opacity: .75;
}
.play-link-official:hover,
.play-link-muted:hover { opacity: 1; color: var(--text); }

.play-toast {
  position: fixed;
  bottom: calc(1.5rem + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-soft);
  border: 1px solid rgba(255,255,255,.08);
  color: var(--text);
  padding: .6rem 1.2rem;
  border-radius: var(--radius);
  font-size: .85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 100;
}
.play-toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.play-streak {
  font-size: .75rem;
  color: var(--text-muted);
  margin-top: .5rem;
}

/* 关于/协议页 */
.page-simple {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  padding: 2rem 1.25rem 3rem;
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto;
}
.page-simple h1 { font-weight: 400; font-size: 1.5rem; margin-bottom: 1rem; letter-spacing: .1em; }
.page-simple h2 { font-size: 1rem; margin: 1.5rem 0 .5rem; color: var(--text-muted); font-weight: 500; }
.page-simple p, .page-simple li { color: var(--text-muted); font-size: .95rem; }
.page-simple a { color: hsl(200, 60%, 70%); }
.page-simple .back { display: inline-block; margin-bottom: 1.5rem; color: var(--text-muted); text-decoration: none; }