/* ============================================================
   BIOULT Health · Breath & Stillness
   iOS「液态玻璃」质感 · 移动抽屉 / 平板 / 桌面侧栏自适应
   ============================================================ */

:root {
  --accent: #2dd4bf;
  --accent2: #818cf8;
  --accent3: #e879f9;
  --glass: linear-gradient(160deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05) 60%);
  --glass-soft: linear-gradient(160deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04) 60%);
  --glass-line: rgba(255, 255, 255, 0.18);
  --glass-hi: inset 0 1px 0 rgba(255, 255, 255, 0.22);
  --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --blur: blur(28px) saturate(180%);
  --text: rgba(255, 255, 255, 0.96);
  --dim: rgba(255, 255, 255, 0.55);
  --radius: 26px;
  --ease: cubic-bezier(0.32, 0.72, 0, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  height: 100%;
  overflow: hidden;
  background: #071018;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI",
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  -webkit-user-select: none;
}

#stage { position: fixed; inset: 0; width: 100%; height: 100%; display: block; cursor: pointer; }
.hidden { display: none !important; }

/* 通用玻璃胶囊 */
.capsule {
  background: var(--glass-soft);
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-hi), 0 8px 24px rgba(0, 0, 0, 0.3);
}

/* ============ 顶部栏 ============ */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 16px 10px;
  z-index: 20;
  pointer-events: none;
  gap: 12px;
}
.topbar > * { pointer-events: auto; }

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px 8px 10px;
  background: var(--glass-soft);
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-hi), 0 8px 24px rgba(0, 0, 0, 0.28);
  transition: opacity 0.4s, transform 0.4s var(--ease);
}
.logo { width: 30px; height: 30px; filter: drop-shadow(0 2px 10px rgba(236, 72, 153, 0.55)); }
.wordmark { display: flex; flex-direction: column; line-height: 1.15; }
.wm-main { font-size: 14px; font-weight: 800; letter-spacing: 0.22em; }
.wm-main em {
  font-style: italic; font-weight: 600; letter-spacing: 0.06em;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.wm-sub {
  font-size: 9px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--dim); margin-top: 2px;
}

.topright { display: flex; align-items: center; gap: 10px; }
.iconbtn {
  border: 1px solid var(--glass-line);
  background: var(--glass-soft);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 13px;
  cursor: pointer;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-hi), 0 8px 24px rgba(0, 0, 0, 0.28);
  min-height: 38px;
  transition: background 0.2s, transform 0.15s var(--ease);
}
.iconbtn:hover { background: rgba(255, 255, 255, 0.20); }
.iconbtn:active { transform: scale(0.94); }

.palette-dot {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--glass-line);
  cursor: pointer;
  background: conic-gradient(var(--accent), var(--accent2), var(--accent3), var(--accent));
  box-shadow: var(--glass-hi), inset 0 -4px 8px rgba(0, 0, 0, 0.25), 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s var(--ease), border-color 0.2s;
  display: none;
}
.palette-dot:hover { transform: scale(1.15) rotate(30deg); border-color: rgba(255, 255, 255, 0.5); }

/* 会话信息胶囊 */
.runmeta {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 64px);
  left: 50%; transform: translateX(-50%);
  display: flex; gap: 16px;
  padding: 8px 18px;
  background: var(--glass-soft);
  border: 1px solid var(--glass-line);
  border-radius: 999px;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-hi);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  z-index: 15;
  pointer-events: none;
  white-space: nowrap;
}

/* ============ 中央 HUD ============ */
.hud {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  pointer-events: none;
  z-index: 10;
  text-align: center;
  will-change: transform;
}
.phase-en {
  font-size: clamp(34px, 8.5vw, 62px);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  /* 高级玻璃字：通透填充、极细深色描边、无黑影 */
  color: rgba(255, 255, 255, 0.16);
  -webkit-text-fill-color: rgba(255, 255, 255, 0.16);
  -webkit-text-stroke: 0.8px rgba(8, 16, 28, 0.82);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: opacity 0.35s;
}
.phase-cn {
  font-size: clamp(15px, 4vw, 21px);
  font-weight: 600;
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  color: rgba(255, 255, 255, 0.62);
  -webkit-text-stroke: 0.35px rgba(8, 16, 28, 0.5);
  text-shadow: none;
}
.count {
  margin-top: 10px;
  font-size: 13px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
  min-height: 1.4em;
}

/* 停止键：大圆最外缘下方 30px（top 由 JS 逐帧计算），透明立体玻璃 */
.btn-stop {
  pointer-events: auto;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  padding: 13px 34px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.20),
    rgba(255, 255, 255, 0.04) 46%,
    rgba(255, 255, 255, 0.10));
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  box-shadow:
    inset 0 1.5px 0 rgba(255, 255, 255, 0.45),
    inset 0 -3px 10px rgba(0, 0, 0, 0.30),
    0 14px 34px rgba(0, 0, 0, 0.32),
    0 2px 8px rgba(0, 0, 0, 0.26);
  transition: transform 0.2s var(--ease), box-shadow 0.25s, background 0.25s;
}
.btn-stop:hover {
  transform: translateX(-50%) translateY(-2px);
  background: linear-gradient(180deg,
    rgba(255, 255, 255, 0.26),
    rgba(255, 255, 255, 0.06) 46%,
    rgba(255, 255, 255, 0.14));
  box-shadow:
    inset 0 1.5px 0 rgba(255, 255, 255, 0.5),
    inset 0 -3px 10px rgba(0, 0, 0, 0.30),
    0 20px 46px rgba(0, 0, 0, 0.38),
    0 2px 8px rgba(0, 0, 0, 0.26);
}
.btn-stop:active {
  transform: translateX(-50%) scale(0.93);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  box-shadow:
    inset 0 3px 12px rgba(0, 0, 0, 0.42),
    inset 0 -1px 0 rgba(255, 255, 255, 0.16),
    0 4px 14px rgba(0, 0, 0, 0.3);
}

/* ============ 面板：移动底部玻璃抽屉 ============ */
.grabber {
  width: 38px; height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.3);
  margin: 10px auto 2px;
}
.panel {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: min(600px, 100%);
  max-height: calc(70vh - env(safe-area-inset-bottom, 0px));
  max-height: calc(70dvh - env(safe-area-inset-bottom, 0px));
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  z-index: 30;
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06) 55%),
    rgba(10, 20, 32, 0.45);
  border: 1px solid var(--glass-line);
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  backdrop-filter: blur(34px) saturate(190%);
  -webkit-backdrop-filter: blur(34px) saturate(190%);
  box-shadow: var(--glass-hi),
    inset 0 0 0 0.5px rgba(255, 255, 255, 0.08),
    0 -24px 70px rgba(0, 0, 0, 0.45);
  transition: transform 0.55s var(--ease), opacity 0.35s;
}
.panel::-webkit-scrollbar { display: none; }
body.running .panel {
  transform: translate(-50%, 118%);
  opacity: 0;
  pointer-events: none;
}
.panel-inner {
  padding: 10px 18px calc(env(safe-area-inset-bottom, 0px) + 22px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* 分组卡片（iOS 设置风格） */
.group {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.045));
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 20px;
  padding: 15px 15px 16px;
  box-shadow: var(--glass-hi);
}
.group-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 11px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.group-title .cn { letter-spacing: 0.14em; font-weight: 500; }
.group-title .hint {
  font-size: 12.5px;
  color: var(--accent);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  text-transform: none;
}
.mini-hint {
  font-size: 10px; font-weight: 400;
  color: rgba(255, 255, 255, 0.36);
  text-transform: none; letter-spacing: 0.04em;
}
@media (max-width: 700px) { .mini-hint { display: none; } }

/* 当前呼吸法说明卡 */
.desc {
  padding: 15px 16px;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.045));
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 20px;
  box-shadow: var(--glass-hi);
  position: relative;
  overflow: hidden;
}
.desc::before {
  content: '';
  position: absolute;
  left: 0; top: 12px; bottom: 12px; width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--accent), var(--accent3));
}
.d-en { font-size: 14px; line-height: 1.6; }
.d-cn { font-size: 12.5px; line-height: 1.65; color: var(--dim); margin-top: 5px; }
.d-foot {
  display: flex; justify-content: space-between; align-items: center;
  gap: 10px; margin-top: 11px; flex-wrap: wrap;
}
.tag {
  font-size: 12px; font-weight: 700; letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #05121e;
  white-space: nowrap;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 4px 14px rgba(45, 212, 191, 0.35);
}
.usage { font-size: 11.5px; color: var(--dim); letter-spacing: 0.04em; display: flex; gap: 8px; }
.usage .cn { color: rgba(255, 255, 255, 0.35); }

/* ============ 按钮：液态玻璃瓷砖 ============ */
.chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(92px, 1fr));
  gap: 9px;
}
.chip {
  flex: 0 0 auto;
  border: 1px solid var(--glass-line);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05));
  color: var(--text);
  padding: 10px 12px;
  border-radius: 15px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--glass-hi), 0 4px 14px rgba(0, 0, 0, 0.18);
  transition: background 0.25s, border-color 0.25s, transform 0.15s var(--ease), box-shadow 0.25s;
  min-height: 42px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chip:hover { background: rgba(255, 255, 255, 0.17); }
.chip:active { transform: scale(0.95); }
.chip.is-on {
  background: linear-gradient(145deg, var(--accent), var(--accent2));
  border-color: rgba(255, 255, 255, 0.35);
  color: #05121e;
  font-weight: 700;
  box-shadow: inset 0 1.5px 0 rgba(255, 255, 255, 0.5),
    inset 0 -4px 10px rgba(0, 0, 0, 0.12),
    0 6px 22px rgba(45, 212, 191, 0.4);
}

/* 呼吸法瓷砖（桌面网格 / 手机圆点） */
.pattern-chips { display: none; }
.pattern-chips.chips { grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); }
.pattern-chips .chip { font-size: 13.5px; min-height: 46px; }

/* 自定义节奏：+ 按钮 / ✕ 删除 / 玻璃编辑器卡片 */
.pattern-chips .chip.chip-add { border-style: dashed; opacity: 0.92; }
.chip-custom { padding-right: 30px; position: relative; }
.chip-custom .x {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  width: 19px; height: 19px; line-height: 19px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  box-shadow: var(--glass-hi);
  font-size: 10px; text-align: center;
}
.chip-custom .x:hover { background: rgba(255, 90, 110, 0.85); color: #fff; }
.pdot-add {
  width: auto; min-width: 34px; height: 16px; padding: 0 10px;
  border-radius: 999px; font-size: 11px; line-height: 16px; font-weight: 700;
  background: rgba(255, 255, 255, 0.13);
  border: 1px dashed rgba(255, 255, 255, 0.35);
  color: var(--text);
}
.pdot-add:hover { background: rgba(255, 255, 255, 0.24); }
.peditor {
  margin-top: 13px;
  border: 1px solid var(--glass-line);
  border-radius: 19px;
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  box-shadow: var(--glass-hi), 0 12px 34px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(22px) saturate(1.3);
  -webkit-backdrop-filter: blur(22px) saturate(1.3);
  padding: 13px 15px 12px;
}
.pe-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6.5px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.pe-lab { font-size: 13.5px; font-weight: 600; }
.pe-lab .cn { color: var(--text-dim); font-weight: 500; margin-left: 2px; }
.pe-ctrl { display: flex; align-items: center; gap: 4px; }
.pe-btn {
  width: 34px; height: 34px; border-radius: 50%; cursor: pointer;
  border: 1px solid var(--glass-line);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
  box-shadow: var(--glass-hi), 0 4px 12px rgba(0, 0, 0, 0.25);
  color: var(--text); font-size: 17px; line-height: 1;
  transition: transform 0.12s var(--ease), background 0.2s;
}
.pe-btn:hover { background: rgba(255, 255, 255, 0.22); }
.pe-btn:active { transform: scale(0.88); }
.pe-val {
  min-width: 40px; text-align: center;
  font-size: 22px; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.pe-val::after { content: 's'; margin-left: 1px; font-size: 11px; color: var(--text-dim); font-weight: 500; }
.pe-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 11px; }
.ped-list { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; padding-top: 10px; }
.ped-lab { font-size: 11.5px; color: var(--text-dim); }
.ped-del {
  border: 1px solid var(--glass-line);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
  box-shadow: var(--glass-hi);
  color: var(--text);
  border-radius: 999px; padding: 5px 11px;
  font-size: 12px; font-weight: 600; cursor: pointer;
  transition: background 0.2s, transform 0.12s var(--ease);
}
.ped-del:hover { background: rgba(255, 90, 110, 0.35); }
.ped-del:active { transform: scale(0.93); }
.ped-del .x { font-style: normal; opacity: 0.75; margin-left: 2px; }
.pe-total { font-size: 12px; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.pe-act { display: flex; gap: 8px; }
.pe-act .chip { flex: none; min-height: 36px; padding: 8px 16px; font-size: 12.5px; }

/* 时长五等分 */
#durChips { grid-template-columns: repeat(5, 1fr); }
#durChips .chip { padding: 10px 4px; font-size: 12.5px; }
/* 引导音两列（标签较长） */
#cueChips { grid-template-columns: repeat(2, 1fr); }
/* 视觉三选一 */
#visualChips { grid-template-columns: repeat(3, 1fr); }
#ambVolSlider { margin-top: 13px; }

/* 呼吸法圆点（手机） */
.dots { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: center; padding: 6px 0 2px; }
.pdot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.22);
  box-shadow: var(--glass-hi);
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.25s, box-shadow 0.25s;
}
.pdot:hover { background: rgba(255, 255, 255, 0.45); }
.pdot.is-on {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  transform: scale(1.5);
  box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.16), 0 0 16px rgba(45, 212, 191, 0.65);
}

/* ============ iOS 滑杆（--p 由 JS 写入） ============ */
input[type="range"] {
  --p: 50%;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 36px;
  background: transparent;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 7px;
  border-radius: 4px;
  background:
    linear-gradient(90deg, var(--accent), var(--accent2)) left / var(--p) 100% no-repeat,
    rgba(255, 255, 255, 0.15);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 27px; height: 27px;
  margin-top: -10px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.45), 0 0 0 0.5px rgba(0, 0, 0, 0.06);
  transition: transform 0.15s var(--ease);
}
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.12); }
input[type="range"]::-moz-range-track {
  height: 7px; border-radius: 4px;
  background: rgba(255, 255, 255, 0.15);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.35);
}
input[type="range"]::-moz-range-progress {
  height: 7px; border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
}
input[type="range"]::-moz-range-thumb {
  width: 25px; height: 25px; border-radius: 50%;
  background: #fff; border: none;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.45);
}
.slider-legend {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--dim); margin-top: 2px;
  letter-spacing: 0.06em;
}
#scaleHint { color: var(--accent); font-weight: 600; }

/* 行 & iOS 开关 */
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.switch { display: inline-flex; align-items: center; gap: 9px; font-size: 13px; cursor: pointer; }
.switch input { display: none; }
.switch i {
  width: 51px; height: 31px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.45);
  position: relative;
  transition: background 0.3s var(--ease);
  flex: 0 0 auto;
}
.switch i::after {
  content: "";
  position: absolute; top: 2.5px; left: 3px;
  width: 26px; height: 26px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  transition: transform 0.3s var(--ease);
}
.switch input:checked + i {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2), 0 0 14px rgba(45, 212, 191, 0.35);
}
.switch input:checked + i::after { transform: translateX(20px); }
.vol { flex: 1; min-width: 100px; }

/* 场景快捷 */
.goals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; margin-bottom: 10px; }
.goal {
  border: 1px dashed rgba(45, 212, 191, 0.45);
  background: linear-gradient(165deg, rgba(45, 212, 191, 0.12), rgba(45, 212, 191, 0.05));
  color: var(--text);
  font-size: 12.5px;
  padding: 10px 6px;
  border-radius: 15px;
  cursor: pointer;
  box-shadow: var(--glass-hi);
  transition: background 0.2s, border 0.2s, transform 0.15s var(--ease);
  white-space: nowrap;
}
.goal:hover { background: rgba(45, 212, 191, 0.2); border-style: solid; }
.goal:active { transform: scale(0.95); }

/* CTA 液态玻璃主按钮 */
.cta {
  border: 1px solid rgba(255, 255, 255, 0.30);
  width: 100%;
  padding: 18px;
  border-radius: 999px;
  font-size: 16.5px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #05121e;
  background: linear-gradient(145deg, var(--accent), var(--accent2) 55%, var(--accent3));
  background-size: 150% 150%;
  cursor: pointer;
  box-shadow: inset 0 1.5px 0 rgba(255, 255, 255, 0.55),
    inset 0 -8px 20px rgba(0, 0, 0, 0.12),
    0 12px 40px rgba(45, 212, 191, 0.38);
  transition: transform 0.2s var(--ease), box-shadow 0.3s, background-position 0.5s;
}
.cta:hover {
  transform: translateY(-2px);
  background-position: 100% 100%;
  box-shadow: inset 0 1.5px 0 rgba(255, 255, 255, 0.55),
    0 16px 50px rgba(129, 140, 248, 0.5);
}
.cta:active { transform: scale(0.97); }

.ghostbtn {
  border: 1px solid var(--glass-line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--dim);
  width: 100%;
  padding: 13px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  box-shadow: var(--glass-hi);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.ghostbtn:hover { border-color: rgba(255, 255, 255, 0.45); color: var(--text); background: rgba(255, 255, 255, 0.12); }

.foot {
  text-align: center;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.38);
  line-height: 1.7;
  letter-spacing: 0.06em;
}
.foot .cn { font-size: 10.5px; }

/* ============ 完成弹层 ============ */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(4, 12, 20, 0.40);
  backdrop-filter: blur(26px) saturate(160%);
  -webkit-backdrop-filter: blur(26px) saturate(160%);
  animation: fadein 0.5s;
  padding: 20px;
}
.done-card {
  width: min(360px, 88vw);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  border: 1px solid var(--glass-line);
  border-radius: 30px;
  padding: 34px 26px 26px;
  text-align: center;
  display: flex; flex-direction: column; gap: 8px;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-hi), inset 0 0 0 0.5px rgba(255, 255, 255, 0.1), var(--glass-shadow);
}
.done-emoji { font-size: 42px; }
.done-title { font-size: 23px; font-weight: 800; letter-spacing: 0.06em; }
.done-title-cn { font-size: 13px; color: var(--dim); letter-spacing: 0.3em; text-indent: 0.3em; }
.done-stat { font-size: 14px; color: var(--dim); line-height: 1.75; margin: 10px 0 12px; }
.done-stat b { color: var(--accent); font-size: 17px; }
.done-card .cta { margin-top: 8px; }
.done-card .ghostbtn { margin-top: 8px; }

@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

/* toast 玻璃胶囊 */
.toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 26px);
  left: 50%; transform: translateX(-50%);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.08));
  border: 1px solid var(--glass-line);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 60;
  pointer-events: none;
  white-space: nowrap;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--glass-hi), 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* ============ 平板竖屏（641–1024） ============ */
@media (min-width: 641px) and (max-width: 1024px) {
  .panel { max-height: calc(64vh - env(safe-area-inset-bottom, 0px)); max-height: calc(64dvh - env(safe-area-inset-bottom, 0px)); }
  .phase-en { font-size: clamp(44px, 6.5vw, 72px); }
  .wm-main { font-size: 16px; }
  .logo { width: 34px; height: 34px; }
  .goal { font-size: 13.5px; padding: 12px; }
  .panel-inner { padding: 12px 22px calc(env(safe-area-inset-bottom, 0px) + 24px); }
}

/* 矮屏（横屏手机） */
@media (max-height: 520px) {
  .hud { gap: 0; }
  .btn-stop { padding: 9px 24px; font-size: 13px; }
  .phase-en { font-size: clamp(26px, 5.5vw, 40px); }
  .phase-cn { font-size: 14px; }
  .count { margin-top: 2px; }
  .panel { max-height: calc(88vh - env(safe-area-inset-bottom, 0px)); max-height: calc(88dvh - env(safe-area-inset-bottom, 0px)); }
  .panel-inner { gap: 11px; }
}

/* 手机竖屏：紧凑顶部、抽屉近乎全屏，消灭上方空白 */
@media (orientation: portrait) and (max-width: 700px) {
  .topbar { padding-top: calc(env(safe-area-inset-top, 0px) + 8px); padding-bottom: 2px; }
  .brand { padding: 5px 13px 5px 7px; }
  .logo { width: 24px; height: 24px; }
  .wm-main { font-size: 12.5px; letter-spacing: 0.18em; }
  .wm-sub { font-size: 7.5px; letter-spacing: 0.2em; }
  .runmeta {
    top: calc(env(safe-area-inset-top, 0px) + 48px);
    padding: 6px 14px;
    font-size: 10.5px;
    gap: 12px;
  }
  .panel {
    width: 100%;
    border-left: none;
    border-right: none;
    top: calc(env(safe-area-inset-top, 0px) + 56px);
    bottom: 0;
    max-height: none;
    height: auto;
  }
  body.running .panel { transform: translate(-50%, 118%); }
  .panel-inner { padding-top: 6px; gap: 12px; }
}

/* ============ 桌面（≥1025px：右侧悬浮玻璃侧栏） ============ */
@media (min-width: 1025px) {
  .palette-dot { display: block; }
  .grabber { display: none; }

  .topbar { padding: 20px 26px 12px; align-items: flex-start; }
  .logo { width: 36px; height: 36px; }
  .wm-main { font-size: 17px; }
  .wm-sub { font-size: 10px; }

  .runmeta { left: 30px; transform: none; top: 92px; }

  /* HUD 由 JS 逐帧 translateX 跟随画布中点，不再用 CSS 偏移 */

  .panel {
    left: auto;
    right: 28px;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
    width: 424px;
    max-height: 84vh;
    border-radius: 28px;
    border-bottom: 1px solid var(--glass-line);
    box-shadow: var(--glass-hi), inset 0 0 0 0.5px rgba(255, 255, 255, 0.08),
      0 34px 90px rgba(0, 0, 0, 0.5);
    transition: transform 0.6s var(--ease), opacity 0.35s;
  }
  body.running .panel { transform: translate(135%, -50%); opacity: 0; }
  .panel-inner { padding: 24px 20px 22px; gap: 15px; }

  .pattern-chips { display: grid; }
  .dots { display: none; }
  .foot { display: none; }
}

/* 键盘可达性 */
.chip:focus-visible, .goal:focus-visible, .pdot:focus-visible,
.iconbtn:focus-visible, .cta:focus-visible, .btn-stop:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}