*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --bg:#0b0c0e;--bg2:#151719;--bg3:#1e2124;
  --fg:#e9ebee;--fg2:#9aa1a9;--fg3:#666d76;
  --line:#262a2e;--line2:#33383d;
  --accent:#f0a02a;--accent-bg:rgba(240,160,42,.13);
  --hit:#2a2418;
}
@media (prefers-color-scheme:light){
  :root{
    --bg:#fafafa;--bg2:#fff;--bg3:#f2f2f5;
    --fg:#12141a;--fg2:#5c636b;--fg3:#9aa1a9;
    --line:#e6e6ea;--line2:#d8d8de;
    --accent:#c2760a;--accent-bg:rgba(194,118,10,.10);
    --hit:#fff6e6;
  }
}
html,body{margin:0;padding:0;background:var(--bg);color:var(--fg)}
body{
  overflow-x:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.6;overscroll-behavior-y:none;
  -webkit-font-smoothing:antialiased;
}
button{font-family:inherit;color:inherit;background:none;border:none;padding:0;cursor:pointer;font-size:inherit}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}

.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;
  padding:calc(env(safe-area-inset-top) + 10px) 16px 10px;
  background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom:.5px solid var(--line);
}
.topbar h1{font-size:17px;font-weight:600;margin:0;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--fg2)}
.icon-btn:active{background:var(--bg3)}
.back{font-size:26px;line-height:1;color:var(--accent)}

.list{padding:14px 16px calc(env(safe-area-inset-bottom) + 96px)}
.day{margin:22px 0 8px;font-size:12px;color:var(--fg3);letter-spacing:.5px}
.day:first-child{margin-top:2px}
.card{
  display:block;width:100%;text-align:left;background:var(--bg2);border:.5px solid var(--line);
  border-radius:14px;padding:13px 14px;margin-bottom:10px;overflow:hidden;
}
.card:active{background:var(--bg3)}
.card-h{display:flex;align-items:center;gap:8px;min-width:0}
.card-t{font-size:16px;font-weight:500;color:var(--fg);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
.card-s{font-size:13px;color:var(--fg2);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-f{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:11.5px;color:var(--fg3)}
.mini{height:2px;flex:1;background:var(--line);border-radius:2px;overflow:hidden}
.mini i{display:block;height:100%;background:var(--accent);border-radius:2px}
.card.read .card-t{color:var(--fg2);font-weight:400}

.fab{
  position:fixed;left:16px;right:16px;bottom:calc(env(safe-area-inset-bottom) + 16px);
  height:50px;border-radius:14px;background:var(--accent);color:#1a1206;
  font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 24px rgba(0,0,0,.28);z-index:30;
}
.fab:active{opacity:.85}

.sheet{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.55);display:flex;align-items:flex-end}
.sheet-in{
  width:100%;background:var(--bg2);border-radius:20px 20px 0 0;
  padding:18px 16px calc(env(safe-area-inset-bottom) + 16px);
  max-height:88vh;display:flex;flex-direction:column;
}
.sheet-in h2{margin:0 0 12px;font-size:16px;font-weight:600}
.sheet-in textarea{
  width:100%;min-height:180px;flex:1;resize:none;background:var(--bg3);border:.5px solid var(--line);
  border-radius:12px;padding:12px;font-size:15px;line-height:1.65;outline:none;
}
.sheet-in textarea:focus{border-color:var(--accent)}
.row{display:flex;gap:10px;margin-top:12px}
.btn{flex:1;height:46px;border-radius:12px;background:var(--bg3);border:.5px solid var(--line2);font-size:15px;font-weight:500}
.btn.primary{background:var(--accent);color:#1a1206;border-color:transparent}
.btn:disabled{opacity:.4}

.reader{padding:8px 20px calc(var(--player-h, 96px) + 16px)}
.chunk{display:block}
.s{
  margin:0 0 13px;font-size:17.5px;line-height:1.84;color:var(--fg2);
  padding:2px 12px;border-left:2px solid transparent;border-radius:0 10px 10px 0;
  transition:background .18s ease,color .18s ease;
}
.s.done{color:var(--fg3)}
.s.on{color:var(--fg);background:var(--accent-bg);border-left-color:var(--accent);font-weight:500}
.s.on .w.hit{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px}
.s.pending{opacity:.5}
.s.para{margin-bottom:24px}
.s.para.on{margin-bottom:24px}

.player{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  background:color-mix(in srgb,var(--bg2) 94%,transparent);
  backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);
  border-top:.5px solid var(--line);
  padding:8px 16px calc(env(safe-area-inset-bottom) + 10px);
}
.bar-prog{height:22px;display:flex;align-items:center;gap:10px;font-size:11.5px;color:var(--fg3)}
.bar-prog .track{
  flex:1;height:3px;background:var(--line);border-radius:2px;position:relative;
  touch-action:none;cursor:pointer;
}
.bar-prog .track::before{content:'';position:absolute;left:-6px;right:-6px;top:-12px;bottom:-12px}
.bar-prog .fill{position:absolute;inset:0 auto 0 0;width:0;background:var(--accent);border-radius:2px}
.ctrls{display:flex;align-items:center;gap:6px;margin-top:2px}
.play{
  width:52px;height:52px;border-radius:50%;background:var(--accent);color:#1a1206;
  display:flex;align-items:center;justify-content:center;flex:none;
}
.play:active{transform:scale(.94)}
.skip{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--fg2);font-size:13px}
.skip:active{background:var(--bg3)}
.spacer{flex:1}
.pill{
  height:34px;padding:0 12px;border-radius:17px;background:var(--bg3);border:.5px solid var(--line2);
  font-size:13px;color:var(--fg2);display:flex;align-items:center;gap:5px;
}
.opt-pop{
  position:fixed;z-index:70;left:12px;right:12px;bottom:calc(env(safe-area-inset-bottom) + 96px);
  background:var(--bg2);border:.5px solid var(--line2);border-radius:16px;padding:6px;
  box-shadow:0 12px 40px rgba(0,0,0,.45);max-height:56vh;overflow:auto;
}
.opt{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:11px;font-size:15px}
.opt:active{background:var(--bg3)}
.opt.sel{background:var(--accent-bg);color:var(--accent)}
.opt small{color:var(--fg3);font-size:12px;margin-left:auto}
.empty{text-align:center;color:var(--fg3);font-size:14px;padding:80px 20px}
.toast{
  position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 110px);transform:translateX(-50%);
  background:rgba(20,20,22,.94);color:#eee;font-size:13px;padding:9px 16px;border-radius:10px;z-index:90;
  opacity:0;transition:opacity .2s;pointer-events:none;
}
.toast.show{opacity:1}

.opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:6px}
.opt-grid .opt{flex-direction:column;align-items:flex-start;gap:1px;padding:9px 11px}
.opt-grid .opt span{font-size:15px}
.opt-grid .opt small{margin-left:0;font-size:11px;line-height:1.3}

.rate-pop{padding:16px 18px 14px}
.rate-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}
.rate-head .lb{font-size:12.5px;color:var(--fg3)}
.rate-val{font-size:24px;font-weight:500;color:var(--accent);font-variant-numeric:tabular-nums}
.rate-pop input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:30px;background:transparent;margin:0;
}
.rate-pop input[type=range]::-webkit-slider-runnable-track{height:4px;background:var(--line2);border-radius:2px}
.rate-pop input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:26px;height:26px;border-radius:50%;
  background:var(--accent);margin-top:-11px;border:none;
}
.rate-pop input[type=range]::-moz-range-track{height:4px;background:var(--line2);border-radius:2px}
.rate-pop input[type=range]::-moz-range-thumb{width:24px;height:24px;border:none;border-radius:50%;background:var(--accent)}
.rate-presets{display:flex;gap:6px;margin-top:8px}
.rate-presets .p{
  flex:1;min-width:0;height:32px;border-radius:9px;border:.5px solid var(--line2);
  font-size:12.5px;color:var(--fg2);background:transparent;
}
.rate-presets .p.on{background:var(--accent-bg);color:var(--accent);border-color:var(--accent)}
.rate-scroll{display:flex;justify-content:space-between;font-size:11px;color:var(--fg3);margin-top:-4px}

.sheet-tools{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.btn2{
  height:34px;padding:0 14px;border-radius:10px;background:var(--bg3);
  border:.5px solid var(--line2);font-size:13px;color:var(--fg2);
}
.btn2:active{background:var(--line)}
.hint{font-size:11.5px;color:var(--fg3);line-height:1.4}

.play.loading{opacity:.85;pointer-events:none}
.play.loading svg{opacity:0}          /* 只留转圈，别让图标和圈叠在一起 */
.play.loading::after{
  content:'';position:absolute;width:22px;height:22px;border-radius:50%;
  border:2.2px solid rgba(26,18,6,.22);border-top-color:#1a1206;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.play{position:relative}

.s.url{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:11px;line-height:1.8;
  overflow-wrap:anywhere;
  padding-left:6px;padding-right:6px;
  color:var(--fg3);
  margin-bottom:11px;
}
.s.url.para{margin-bottom:11px}
.s.url.on{color:var(--fg)}
/* 整句链接只当一个高亮单元：一行下划线横穿整串太脏，只提亮颜色 */
.s.url .w.hit{text-decoration:none;color:var(--fg)}

.ctl-hint{
  position:absolute;left:0;right:0;top:-32px;
  display:flex;justify-content:center;
  opacity:0;transition:opacity .18s;pointer-events:none;
}
.ctl-hint.on{opacity:1}
.ctl-hint span{
  font-size:11.5px;line-height:1;color:var(--fg2);
  background:color-mix(in srgb,var(--bg2) 92%,transparent);
  border:.5px solid var(--line2);border-radius:999px;
  padding:6px 11px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 4px 14px rgba(0,0,0,.3);
}