:root{
  --bg:#000;--bg2:#0d0d0f;--panel:rgba(20,20,22,.86);--card:#1c1c1e;--card2:#2c2c2e;
  --line:rgba(255,255,255,.12);--fg:#f2f2f7;--sub:#8e8e93;--accent:#ffb020;--accent-fg:#1a1200;--danger:#ff453a;
  --sat:env(safe-area-inset-top,0px);--sab:env(safe-area-inset-bottom,0px);--sal:env(safe-area-inset-left,0px);--sar:env(safe-area-inset-right,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
html,body{margin:0;height:100%;background:var(--bg);color:var(--fg);overflow:hidden;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic",Roboto,"Noto Sans JP",sans-serif;font-size:16px;
  -webkit-user-select:none;user-select:none;overscroll-behavior:none}
button,input,label{font-family:inherit;color:inherit}
svg{width:24px;height:24px;display:block}
i[data-icon]{display:inline-flex}
#app{position:fixed;inset:0}
.view{position:absolute;inset:0}
.sub{color:var(--sub);font-size:13px}
.pad{padding:8px 16px}

.glass{background:var(--panel);-webkit-backdrop-filter:blur(24px) saturate(1.4);backdrop-filter:blur(24px) saturate(1.4);border:1px solid var(--line)}

/* ボタン */
.icon-btn{position:relative;flex:none;width:44px;height:44px;min-width:44px;border-radius:14px;border:0;background:rgba(255,255,255,.1);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0}
.icon-btn:active{background:rgba(255,255,255,.22)}
.icon-btn.solid{background:var(--accent);color:var(--accent-fg)}
.icon-btn.small{width:36px;height:36px;min-width:36px;border-radius:12px}
.icon-btn:disabled{opacity:.35}
.badge{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;border-radius:10px;background:var(--accent);color:var(--accent-fg);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 5px}
.tool{flex:1;min-width:0;min-height:52px;border-radius:14px;border:0;background:rgba(255,255,255,.12);display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;padding:6px 4px;font-size:13px;cursor:pointer;white-space:nowrap}
.tool.row,.tool.wide{flex-direction:row;gap:8px;font-size:15px}
.tool:active{filter:brightness(1.3)}
.tool span{line-height:1.15;white-space:nowrap;text-align:center}
.tool small{display:block;font-size:11px;color:#c4c4ca;font-variant-numeric:tabular-nums}
.tool.accent small{color:inherit}
.tool.accent{background:var(--accent);color:var(--accent-fg);font-weight:700}
.tool.wide{width:100%;flex:none;margin-top:12px}
.tool:disabled{opacity:.35}
.pill{display:inline-block;margin-top:16px;padding:13px 26px;border-radius:24px;background:var(--accent);color:var(--accent-fg);font-weight:700;cursor:pointer}
.chip{flex:none;min-width:58px;height:44px;border-radius:22px;border:0;background:rgba(255,255,255,.1);font-size:15px;font-variant-numeric:tabular-nums;cursor:pointer;padding:0 12px}
.chip.on{background:var(--accent);color:var(--accent-fg);font-weight:700}

/* 動画を選ぶ画面 */
#viewLibrary{background:var(--bg2);overflow-y:auto;-webkit-overflow-scrolling:touch;padding:calc(var(--sat) + 12px) calc(var(--sar) + 14px) calc(var(--sab) + 24px) calc(var(--sal) + 14px)}
.lib-head{display:flex;align-items:center;justify-content:space-between;padding:4px 0 14px}
h1{font-size:30px;margin:0;letter-spacing:.5px}
.brand{font-size:26px;font-weight:800;letter-spacing:.16em;white-space:nowrap;line-height:1.1}
.brand span{color:var(--accent)}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
.card{background:var(--card);border-radius:16px;overflow:hidden;cursor:pointer;border:1px solid var(--line)}
.card:active{filter:brightness(1.25)}
.poster{position:relative;aspect-ratio:16/9;background:#000 center/cover no-repeat}
.dur-badge{position:absolute;right:6px;bottom:6px;padding:2px 7px;border-radius:8px;background:rgba(0,0,0,.65);font-size:12px;font-variant-numeric:tabular-nums}
.card .meta{padding:9px 11px 11px}
.card .name{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card .size{font-size:12px;color:var(--sub);margin-top:2px}
.empty{display:flex;flex-direction:column;align-items:center;text-align:center;padding:18vh 20px 0;color:var(--fg)}
.empty-icon svg{width:64px;height:64px;color:var(--sub)}
.empty p{margin:10px 0 0}

/* 再生の画面 */
#viewPlayer{background:#000}
#stage{position:absolute;inset:0;background:#000;touch-action:none;cursor:ew-resize;overflow:hidden}
#video{display:block;width:100%;height:100%;object-fit:contain;background:#000;pointer-events:none;transform-origin:0 0;will-change:transform}
#hud{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:16px 28px;border-radius:22px;background:rgba(0,0,0,.55);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:center;pointer-events:none;z-index:3}
#hud b{display:block;font-size:46px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:1px}
#hud span{display:block;font-size:20px;color:var(--accent);margin-top:2px;font-variant-numeric:tabular-nums}

.ui{position:absolute;inset:0;pointer-events:none;transition:opacity .35s ease;z-index:2}
.ui>*{pointer-events:auto}
.ui:not(.show){opacity:0}
.ui:not(.show)>*{pointer-events:none}
.topbar{position:absolute;top:calc(var(--sat) + 8px);left:calc(var(--sal) + 8px);right:calc(var(--sar) + 8px);height:56px;border-radius:18px;display:flex;align-items:center;gap:8px;padding:6px}
.title{flex:1;min-width:0;font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center}
.bigplay{position:absolute;left:50%;top:50%;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--fg)}
.bigplay svg{width:40px;height:40px;fill:currentColor}
.bigplay:active{filter:brightness(1.4)}
.bottom{position:absolute;left:calc(var(--sal) + 8px);right:calc(var(--sar) + 8px);bottom:calc(var(--sab) + 8px);border-radius:22px;padding:10px 12px 12px;max-height:calc(50vh - 56px);overflow-y:auto}
.mode-chip{position:absolute;top:calc(var(--sat) + 72px);left:50%;transform:translateX(-50%);max-width:calc(100% - 24px);display:flex;align-items:center;gap:8px;padding:2px 4px 2px 14px;border-radius:16px;background:rgba(20,20,22,.88);border:1px solid rgba(255,176,32,.5);color:var(--accent);font-size:13px;white-space:nowrap}
.mode-chip span{overflow:hidden;text-overflow:ellipsis}

#timeline{position:relative;height:58px;border-radius:12px;overflow:hidden;background:#1a1a1c;touch-action:none;cursor:pointer}
#tlCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}
#tlClips,#tlPending{position:absolute;inset:0;pointer-events:none}
.seg{position:absolute;top:0;bottom:0;background:rgba(255,176,32,.38);border-left:3px solid var(--accent);border-right:3px solid var(--accent)}
.seg.now{background:rgba(255,176,32,.6)}
.pend{position:absolute;top:0;bottom:0;background:rgba(255,255,255,.18);border-left:3px solid #fff}
.pend.endline{border-left:0;border-right:3px solid #fff;background:rgba(255,255,255,.18)}
#playhead{position:absolute;top:-2px;bottom:-2px;width:3px;margin-left:-1.5px;background:#fff;box-shadow:0 0 6px rgba(0,0,0,.8);pointer-events:none;left:0}
.info-row{display:flex;justify-content:space-between;font-size:13px;color:#d6d6db;font-variant-numeric:tabular-nums;margin:6px 2px 4px}
.info-row #timeLabel{color:var(--fg)}
.speed-row{display:flex;align-items:center;gap:6px;margin-top:2px;flex-wrap:wrap}
.speed-val{margin-left:auto;font-size:15px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:36px;background:transparent;margin:4px 0 0}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:rgba(255,255,255,.25)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;margin-top:-11px;border-radius:50%;background:#fff;border:0;box-shadow:0 1px 4px rgba(0,0,0,.5)}
input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:rgba(255,255,255,.25)}
input[type=range]::-moz-range-thumb{width:26px;height:26px;border-radius:50%;background:#fff;border:0}
.tool-row{display:flex;gap:8px;margin-top:6px;align-items:stretch}
.tool-row .tool{flex:1 1 0}

/* 下から出る面 */
.sheet-wrap{position:fixed;inset:0;z-index:20}
.backdrop{position:absolute;inset:0;background:rgba(0,0,0,.5);opacity:0;transition:opacity .3s}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:86vh;overflow-y:auto;-webkit-overflow-scrolling:touch;border-radius:22px 22px 0 0;padding:6px 14px calc(var(--sab) + 18px);transform:translateY(100%);transition:transform .32s cubic-bezier(.2,.8,.2,1);max-width:640px;margin:0 auto;background:rgba(28,28,30,.92)}
.sheet-wrap.open .backdrop{opacity:1}
.sheet-wrap.open .sheet{transform:none}
.sheet-head{display:flex;align-items:center;justify-content:space-between;padding:8px 0}
.sheet-head h2{margin:0;font-size:19px}
.sheet-actions{display:flex;gap:8px;margin:4px 0 10px}
.clip-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.clip-card{background:var(--card2);border-radius:16px;padding:10px 12px}
.clip-card.playing{outline:2px solid var(--accent)}
.clip-top{display:flex;align-items:center;gap:8px}
.clip-no{flex:none;width:28px;height:28px;border-radius:50%;background:var(--accent);color:var(--accent-fg);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.clip-name{flex:1;min-width:0;height:40px;border-radius:10px;border:1px solid var(--line);background:rgba(0,0,0,.25);padding:0 10px;font-size:16px;-webkit-user-select:text;user-select:text}
.clip-range{font-size:13px;color:var(--sub);margin:6px 2px;font-variant-numeric:tabular-nums}
.clip-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:center}
.stepper{display:flex;align-items:center;gap:6px}
.stepper b{min-width:44px;text-align:center;font-variant-numeric:tabular-nums}
.opt-label{font-size:12px;color:var(--sub);margin-bottom:2px}
.clip-acts{display:flex;gap:8px;margin-top:8px}
.clip-acts .tool{min-height:44px}
.field-label{display:block;margin:6px 2px 0;font-size:15px}
.field-label b{color:var(--accent)}
.scale{position:relative;height:18px;font-size:12px;color:var(--sub)}
.scale span{position:absolute;top:0;white-space:nowrap}
.scale span:nth-child(1){left:0}
.scale span:nth-child(2){left:calc(13px + (100% - 26px) * 0.3103);transform:translateX(-50%)}
.scale span:nth-child(3){right:0}
#resultVideo{display:block;width:100%;max-height:40vh;background:#000;border-radius:14px;margin-top:14px}
#resultBox .sub{margin:8px 2px 0;-webkit-user-select:text;user-select:text}

#overlay{position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;padding:20px}
.dialog{width:100%;max-width:380px;border-radius:22px;padding:20px;text-align:center}
.dialog p{margin:0 0 12px}
.dialog progress{width:100%;height:12px;accent-color:var(--accent)}
.dialog #overlayPct{margin-top:10px;color:var(--sub);font-variant-numeric:tabular-nums}

#toast{position:fixed;left:50%;top:calc(var(--sat) + 74px);transform:translateX(-50%);z-index:50;max-width:90vw;padding:10px 16px;border-radius:14px;background:rgba(255,69,58,.92);color:#fff;font-size:14px;white-space:pre-wrap;text-align:center}

/* 横向きなど高さが低いとき */
@media (max-height:520px){
  .bottom{padding:8px 10px 10px;max-height:78vh}
  #timeline{height:44px}
  .bigplay{width:64px;height:64px;margin:-32px 0 0 -32px}
  .bigplay svg{width:30px;height:30px}
  .topbar{height:50px}
  #hud b{font-size:34px}
  .info-row{margin:4px 2px 2px}
}
@media (min-width:700px){
  .bottom{left:50%;right:auto;width:min(680px,calc(100% - 16px));transform:translateX(-50%)}
}

/* 帯の文字を明るい動画の上でも読めるように */
.ui{text-shadow:0 1px 3px rgba(0,0,0,.75)}
.ui svg{filter:drop-shadow(0 1px 2px rgba(0,0,0,.6))}
.tool.accent,.chip.on,.badge,.icon-btn.solid{text-shadow:none}
.tool.accent svg,.chip.on svg{filter:none}

/* 横向き（背の低い画面）：下の帯を低くまとめ、真ん中の再生ボタンを隠さない */
@media (max-height:520px) and (orientation:landscape){
  .bottom{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;padding:6px 10px 8px;max-height:none;overflow:visible}
  #timeline{flex:1 1 100%;height:36px}
  .info-row{flex:1 1 100%;margin:0}
  .speed-row{flex:0 0 auto;flex-wrap:nowrap;margin:0;gap:4px}
  .chip{min-width:0;height:40px;padding:0 8px;font-size:13px}
  .speed-val{font-size:13px;margin-left:4px}
  #speedRange{flex:1 1 60px;width:auto;min-width:60px;margin:0}
  .tool-row{flex:0 0 auto;margin:0}
  .tool-row .tool{flex-direction:row;min-height:44px;flex:0 0 auto;padding:6px 10px}
  .tool-row .icon-btn{width:44px;height:44px}
  .tool-row .tool span{text-align:left}
  .bottom{left:calc(var(--sal) + 8px);right:calc(var(--sar) + 8px);width:auto;transform:none}
  .bigplay{top:calc(50% - 30px)}
}

/* 拡大・縮小のボタン（下の帯のすぐ上の右端） */
.zoombar{position:absolute;right:calc(var(--sar) + 8px);bottom:calc(var(--sab) + 16px + var(--bottom-h,170px));display:flex;align-items:center;gap:4px;padding:5px;border-radius:18px}
.zbtn{width:52px;height:52px;border-radius:12px;border:0;background:rgba(255,255,255,.12);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:12px;cursor:pointer;white-space:nowrap}
.zbtn svg{width:22px;height:22px}
.zbtn:disabled{opacity:.35}
.zval{min-width:60px;height:44px;border-radius:12px;border:0;background:transparent;font-size:14px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap;cursor:pointer}
@media (min-width:700px) and (min-height:521px){.zoombar{right:calc(50% - 340px)}}

.foot{padding:28px 0 8px;text-align:center;font-size:12px}
.foot a{color:var(--sub);text-decoration:none}
.foot .sep{color:var(--sub);margin:0 8px}