/* ============ 毫秒时钟 · 主题与布局 ============ */

:root {
  --font-digit: ui-monospace, "SF Mono", "Cascadia Mono", Consolas, "JetBrains Mono", Menlo, monospace;
  --font-ui: system-ui, -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 760px;
}

[data-theme="dark"] {
  --bg: #05070c;
  --bg-grad: radial-gradient(1200px 600px at 50% -10%, rgba(34, 211, 238, .08), transparent 60%);
  --panel: #0c1320;
  --panel-2: #111b2c;
  --border: rgba(56, 189, 248, .14);
  --text: #e6edf6;
  --text-dim: #8b98ab;
  --accent: #22d3ee;
  --accent-soft: rgba(34, 211, 238, .12);
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --glow: 0 0 14px rgba(34, 211, 238, .40), 0 0 42px rgba(34, 211, 238, .18);
  --shadow: 0 8px 28px rgba(0, 0, 0, .45);
}

[data-theme="light"] {
  --bg: #f2f5fa;
  --bg-grad: radial-gradient(1200px 600px at 50% -10%, rgba(8, 145, 178, .07), transparent 60%);
  --panel: #ffffff;
  --panel-2: #f0f4f9;
  --border: rgba(2, 90, 120, .12);
  --text: #14202e;
  --text-dim: #5b6b7e;
  --accent: #0891b2;
  --accent-soft: rgba(8, 145, 178, .10);
  --good: #059669;
  --warn: #b45309;
  --bad: #dc2626;
  --glow: 0 0 10px rgba(8, 145, 178, .18);
  --shadow: 0 6px 22px rgba(20, 40, 60, .10);
}

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

/* author 样式会覆盖 UA 的 [hidden],这里强制兜底 */
[hidden] { display: none !important; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  transition: background-color .25s, color .25s;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px max(14px, env(safe-area-inset-left)) 10px max(14px, env(safe-area-inset-right));
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.brand-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  box-shadow: var(--glow);
  animation: pulse 2s ease-in-out infinite;
}
.brand-sub { font-size: 12px; font-weight: 500; color: var(--text-dim); }
@keyframes pulse { 50% { opacity: .35; } }

.topbar-actions { display: flex; gap: 8px; }

/* ---------- 主区 ---------- */
main {
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 14px calc(96px + env(safe-area-inset-bottom));
}

.page { display: none; }
.page.active { display: block; animation: fadein .18s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(4px); } }

.page-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 4px 0 10px; }
.page-head h2 { font-size: 19px; margin: 0; }

/* ---------- 日期行 / 徽标 ---------- */
.date-line {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  justify-content: center;
  margin: 6px 0 14px;
}

.chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 13px;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
}
.chip-lunar { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.chip-btn { cursor: pointer; font-family: inherit; }
.chip-btn:active { transform: scale(.96); background: var(--accent-soft); }

.badge {
  font-size: 12px; font-weight: 700;
  padding: 4px 10px; border-radius: 8px;
}
.badge-off { background: rgba(248, 113, 113, .14); color: var(--bad); border: 1px solid rgba(248, 113, 113, .3); }
.badge-work { background: rgba(251, 191, 36, .14); color: var(--warn); border: 1px solid rgba(251, 191, 36, .3); }

/* ---------- 大时钟 ---------- */
.big-clock {
  font-family: var(--font-digit);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(44px, 15vw, 108px);
  line-height: 1.05;
  text-align: center;
  letter-spacing: .01em;
  color: var(--text);
  text-shadow: var(--glow);
  word-break: keep-all;
  white-space: nowrap;
  user-select: none;
}
.big-clock .ms {
  font-size: .46em;
  color: var(--accent);
  text-shadow: var(--glow);
  min-width: 2.1em;
  display: inline-block;
  text-align: left;
}
.big-clock.hide-ms .ms { display: none; }
.big-clock.cd-danger {
  color: var(--bad);
  text-shadow: 0 0 16px rgba(248, 113, 113, .5);
  animation: blink .5s steps(2, start) infinite;
}
@keyframes blink { 50% { opacity: .45; } }

.tz-note { text-align: center; color: var(--text-dim); font-size: 12px; margin: 6px 0 18px; letter-spacing: .08em; }

/* ---------- 面板 ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px;
  margin: 0 auto;
  max-width: 560px;
}

.sync-row {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.sync-row:last-child { border-bottom: none; }
.sync-label { color: var(--text-dim); flex-shrink: 0; }
.sync-value { text-align: right; word-break: break-all; }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.dot-good { background: var(--good); box-shadow: 0 0 8px var(--good); }
.dot-warn { background: var(--warn); }
.dot-bad { background: var(--bad); }
.dot-idle { background: var(--text-dim); }

/* ---------- 按钮 ---------- */
.btn {
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition: transform .08s, background .15s, border-color .15s;
  min-height: 42px;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #04121a;
  box-shadow: 0 4px 18px rgba(34, 211, 238, .25);
}
.btn-primary:disabled { box-shadow: none; }
.btn-ghost { background: transparent; min-height: 38px; padding: 8px 12px; }
.btn.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

.clock-actions {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin: 18px 0 6px;
}

.hint { text-align: center; color: var(--text-dim); font-size: 12.5px; line-height: 1.7; margin: 10px auto; max-width: 560px; }
.hint.dim { opacity: .75; }

/* ---------- 商城卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 14px 0;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 15px;
  box-shadow: var(--shadow);
  transition: border-color .2s;
}
.card.active-src { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow); }

.card-top { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.card-name { font-weight: 700; font-size: 15.5px; flex: 1; display: flex; align-items: center; gap: 8px; }
.card-badge {
  font-size: 11px; font-weight: 700; padding: 2.5px 8px; border-radius: 6px;
  background: var(--accent-soft); color: var(--accent); white-space: nowrap;
}
.card-time {
  font-family: var(--font-digit);
  font-variant-numeric: tabular-nums;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 2px 0 6px;
}
.card-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--text-dim); font-size: 12.5px; margin-bottom: 10px; }
.card-note { color: var(--warn); font-size: 12px; margin-bottom: 10px; }
.card-actions { display: flex; gap: 8px; }
.card-actions .btn { min-height: 36px; padding: 7px 14px; font-size: 13px; }

/* ---------- 倒计时 ---------- */
.cd-panel { max-width: none; text-align: center; }
.cd-display { font-size: clamp(40px, 13.5vw, 96px); }
.cd-target { color: var(--text-dim); font-size: 13.5px; margin: 8px 0 14px; }
.cd-form { display: flex; justify-content: center; margin: 6px 0 12px; }
.cd-form input {
  font-family: inherit;
  font-size: 16px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  color-scheme: dark;
}
[data-theme="light"] .cd-form input { color-scheme: light; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin: 8px 0 4px; }
/* 快捷时间点栅格:PC 与移动端各行等宽列对齐,窄屏自动减列 */
.chips.cd-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(var(--cd-cols, 5), minmax(0, 1fr));
}
@media (max-width: 480px) {
  .chips.cd-grid { grid-template-columns: repeat(var(--cd-cols-sm, var(--cd-cols)), minmax(0, 1fr)); }
}
.cd-grid .chip {
  justify-content: center;
  min-width: 0;
  white-space: nowrap;
  padding-left: 6px;
  padding-right: 6px;
  font-size: clamp(11px, 3vw, 13px);
}

/* 商城切换 tab 与时间源状态行 */
.chip-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #04121a;
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(34, 211, 238, .25);
}
.cd-src { color: var(--text-dim); font-size: 12px; margin-top: 4px; min-height: 1.4em; }

/* 商城选项管理面板 */
.mall-dialog {
  font-family: var(--font-ui);
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  width: min(92vw, 480px);
  max-height: 80dvh;
  overflow: auto;
}
.mall-dialog::backdrop { background: rgba(0, 0, 0, .55); backdrop-filter: blur(2px); }
.mall-dialog h3 { margin: 0; font-size: 16px; }
.mall-dialog .btn { min-height: 36px; padding: 7px 12px; font-size: 13px; }
.md-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.md-list { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.md-row {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}
.md-row input[type="text"], .md-row input[type="number"], .md-row input[type="time"], .md-row select {
  font-family: inherit; font-size: 14px;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  color-scheme: dark;
  min-width: 0;
}
[data-theme="light"] .md-row input, [data-theme="light"] .md-row select { color-scheme: light; }
.md-row input[type="text"] { flex: 1 1 70px; width: 70px; }
.md-row select { flex: 1 1 110px; }
.md-item .chip { font-variant-numeric: tabular-nums; }
.md-empty { color: var(--text-dim); font-size: 13px; text-align: center; padding: 6px 0; }
.md-del { color: var(--bad); border-color: rgba(248, 113, 113, .3); }
.md-foot { display: flex; gap: 8px; justify-content: space-between; margin-top: 16px; }

/* ---------- 秒表 ---------- */
.sw-display { font-size: clamp(46px, 14.5vw, 110px); }
.laps {
  list-style: none;
  margin: 16px auto 0;
  padding: 0;
  max-width: 560px;
  font-family: var(--font-digit);
  font-variant-numeric: tabular-nums;
}
.laps li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 16px;
  border-bottom: 1px dashed var(--border);
  font-size: 15px;
}
.laps li:first-child { border-top: 1px dashed var(--border); }
.laps .lap-idx { color: var(--text-dim); font-family: var(--font-ui); }
.laps .lap-best { color: var(--good); }
.laps .lap-worst { color: var(--bad); }

/* ---------- 世界时钟 ---------- */
#worldCards { grid-template-columns: 1fr; }
.world-time {
  font-family: var(--font-digit);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  margin: 2px 0 4px;
}
.world-sub { color: var(--text-dim); font-size: 12.5px; display: flex; gap: 10px; flex-wrap: wrap; }
.world-day {
  font-size: 11px; padding: 2px 7px; border-radius: 6px;
  background: var(--accent-soft); color: var(--accent);
}

/* ---------- 底部导航 ---------- */
.tabbar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: max(10px, env(safe-area-inset-bottom));
  z-index: 30;
  display: flex;
  gap: 2px;
  padding: 5px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  max-width: calc(100vw - 20px);
}
.tab {
  font-family: inherit;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  min-width: 58px;
  padding: 7px 10px 6px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 11px;
  border-radius: 13px;
  cursor: pointer;
}
.tab .tab-icon { font-size: 19px; line-height: 1; filter: grayscale(.5); transition: filter .15s; }
.tab.active { color: var(--accent); background: var(--accent-soft); }
.tab.active .tab-icon { filter: none; }
.tab:active { transform: scale(.95); }

.footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 11.5px;
  padding: 0 20px calc(84px + env(safe-area-inset-bottom));
  line-height: 1.7;
}

/* ---------- 桌面适配 ---------- */
@media (min-width: 640px) {
  .cards, #worldCards { grid-template-columns: 1fr 1fr; }
  .tabbar { padding: 6px; gap: 4px; }
  .tab { min-width: 66px; }
}

@media (min-width: 900px) {
  main { padding-top: 30px; }
}

/* 全屏模式:弱化周边元素 */
:fullscreen body, :-webkit-full-screen body { background: var(--bg); }
:fullscreen .topbar, :fullscreen .tabbar, :fullscreen .footer { display: none; }
:fullscreen main { padding-bottom: 20px; display: flex; flex-direction: column; justify-content: center; }