:root{--bg:#f2f2f7;--card:#fff;--card2:#f2f2f7;--label:#000;--label2:rgba(60,60,67,.62);--label3:rgba(60,60,67,.3);--sep:rgba(60,60,67,.14);
--blue:#007aff;--green:#34c759;--orange:#ff9500;--red:#ff3b30;--pink:#ff2d55;--fill:rgba(120,120,128,.12);--bar:rgba(249,249,249,.82);
--sc1:#e8eefc;--sc2:#f4f0fb;--floor:#e3dccf;--win:#cfe3ff;--sofa-a:#5b6bb5;--sofa-b:#4a5899;--wood:#b98b5e;--blanket:#e8b894;--shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.06)}
:root[data-theme=dark]{--bg:#000;--card:#1c1c1e;--card2:#2c2c2e;--label:#fff;--label2:rgba(235,235,245,.62);--label3:rgba(235,235,245,.3);--sep:rgba(84,84,88,.55);
--blue:#0a84ff;--green:#30d158;--orange:#ff9f0a;--red:#ff453a;--pink:#ff375f;--fill:rgba(120,120,128,.28);--bar:rgba(30,30,32,.82);
--sc1:#1d2340;--sc2:#2a2150;--floor:#2b2733;--win:#101a3a;--sofa-a:#4c5ba5;--sofa-b:#3c4887;--wood:#8a6542;--blanket:#a8775f;--shadow:none}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--label);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Segoe UI Variable","Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.3;-webkit-font-smoothing:antialiased;overscroll-behavior-y:none}
button,input{font:inherit;color:inherit}button{border:0;background:none;cursor:pointer;padding:0}

.view{animation:fade .25s ease}@keyframes fade{from{opacity:0;transform:translateY(6px)}}
.nav{display:flex;justify-content:space-between;align-items:flex-end;padding:18px 4px 10px}
.large{font-size:34px;font-weight:700;letter-spacing:.37px;margin:0}
.date{font-size:13px;font-weight:600;color:var(--label2);text-transform:uppercase;letter-spacing:.4px}
.card{background:var(--card);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
.pad{padding:16px}.mt{margin-top:16px}.mt2{margin-top:28px}
.h{font-size:13px;font-weight:600;color:var(--label2);text-transform:uppercase;letter-spacing:.3px;margin:26px 16px 8px}
.foot{font-size:13px;color:var(--label2);margin:8px 16px 0;line-height:1.4}
/* buttons */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px;border-radius:16px;font-size:17px;font-weight:600;background:var(--blue);color:#fff;transition:transform .12s,opacity .2s}
.btn:active{transform:scale(.98);opacity:.85}.btn.stop{background:var(--red)}.btn.tint{background:rgba(0,122,255,.12);color:var(--blue)}.btn.gray{background:var(--fill);color:var(--label)}.btn.danger{background:var(--fill);color:var(--red)}
.btn.sm{width:auto;padding:9px 16px;font-size:15px;border-radius:999px}
.btn[disabled]{opacity:.45;pointer-events:none}
/* goal */
.goal{display:flex;align-items:center;gap:16px;padding:16px}
.ring{width:76px;height:76px;flex:none}.ring circle{fill:none;stroke-width:9;stroke-linecap:round}.ring .bg{stroke:var(--fill)}.ring .fg{stroke:var(--blue);transition:stroke-dashoffset .6s}
.goal b{display:block;font-size:22px;font-variant-numeric:tabular-nums}.goal span{color:var(--label2);font-size:14px}
/* lists */
.list{background:var(--card);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.row{display:flex;align-items:center;gap:12px;min-height:48px;padding:11px 16px;position:relative;width:100%;text-align:left}
.row+.row::before{content:"";position:absolute;top:0;left:16px;right:0;border-top:1px solid var(--sep)}
.row .l{flex:1;min-width:0}.row .r{color:var(--label2);white-space:nowrap;font-variant-numeric:tabular-nums}.row .sub{font-size:13px;color:var(--label2)}
.row.link::after{content:"";width:8px;height:8px;border-right:2px solid var(--label3);border-top:2px solid var(--label3);transform:rotate(45deg);margin-left:4px}
.row.red{color:var(--red)}.row input{flex:1;border:0;background:none;text-align:right;outline:none;color:var(--label2);min-width:0}
.ico{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;flex:none;color:#fff}.ico svg{width:18px;height:18px}
/* segmented */
.seg{display:flex;background:var(--fill);border-radius:9px;padding:2px;gap:2px}
.seg button{flex:1;padding:6px 10px;border-radius:7px;font-size:13px;font-weight:600;color:var(--label)}
.seg button.on{background:var(--card);box-shadow:0 1px 4px rgba(0,0,0,.14)}:root[data-theme=dark] .seg button.on{background:#636366}
.stepper{display:flex;background:var(--fill);border-radius:9px;overflow:hidden}.stepper button{width:44px;height:32px;font-size:20px;color:var(--blue)}.stepper button+button{border-left:1px solid var(--sep)}
/* tiles + charts */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.tile{background:var(--card);border-radius:18px;padding:14px 16px;box-shadow:var(--shadow)}.tile small{display:block;font-size:13px;font-weight:600;color:var(--label2)}.tile b{display:block;font-size:26px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums;letter-spacing:.2px}.tile i{font-style:normal;font-size:13px;color:var(--label2)}
.chart{padding:16px 12px 12px}.bars{display:flex;align-items:flex-end;gap:6px;height:150px;position:relative}
.bcol{flex:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;min-width:0}
.bpair{display:flex;gap:3px;align-items:flex-end;flex:1;width:100%;justify-content:center}.bpair i{display:block;width:min(46%,18px);border-radius:6px 6px 3px 3px;min-height:3px;background:var(--blue);transition:height .5s}.bpair i.p{background:var(--green)}
.bcol span{font-size:11px;color:var(--label2)}.bcol.today span{color:var(--blue);font-weight:700}
.gl{position:absolute;left:0;right:0;border-top:1.5px dashed var(--orange);opacity:.7}.gl span{position:absolute;right:0;top:-16px;font-size:11px;color:var(--orange);font-weight:600}
.legend{display:flex;gap:16px;font-size:13px;color:var(--label2);padding:10px 8px 0}.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}
.hrs{display:grid;grid-template-columns:repeat(24,1fr);gap:3px;padding:16px 16px 6px}.hrs i{height:34px;border-radius:5px;background:var(--fill)}
.hrl{display:grid;grid-template-columns:repeat(24,1fr);gap:3px;padding:0 16px 14px;font-size:10px;color:var(--label2)}.hrl span{text-align:center;overflow:visible;white-space:nowrap}

/* ---------- layout: 3D stage + panel ---------- */
html,body{height:100%}
#app{display:flex;flex-direction:column;min-height:100dvh}
.stage{position:relative;height:46dvh;min-height:280px;background:#c9d4ea;overflow:hidden;touch-action:none;flex:none}
.stage canvas{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:pointer}
#tags{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.tag{position:absolute;transform:translate(-50%,-100%);display:flex;flex-direction:column;align-items:center;gap:4px;will-change:left,top}
.tag .nm{background:rgba(255,255,255,.88);color:#111;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;backdrop-filter:blur(8px);white-space:nowrap;display:flex;align-items:center;gap:6px;box-shadow:0 2px 8px rgba(0,0,0,.14)}
.tag .nm i{width:7px;height:7px;border-radius:50%;background:#aaa;display:block}.tag .nm i.study{background:var(--green)}.tag .nm i.idle{background:var(--orange)}
.tag.me .nm{background:var(--blue);color:#fff}
.tag .bub{background:#fff;color:#111;font-size:13px;padding:6px 10px;border-radius:14px;max-width:180px;box-shadow:0 4px 14px rgba(0,0,0,.18);line-height:1.25;word-break:break-word;animation:fade .2s}
.hud{position:absolute;left:12px;right:12px;top:calc(10px + env(safe-area-inset-top));display:flex;justify-content:space-between;align-items:center;pointer-events:none;gap:8px}
.pill{pointer-events:auto;background:rgba(255,255,255,.85);color:#111;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:999px;padding:7px 14px;font-size:14px;font-weight:600;box-shadow:0 2px 10px rgba(0,0,0,.12);display:flex;align-items:center;gap:8px;max-width:60%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill.round{width:36px;height:36px;padding:0;justify-content:center}.pill svg{width:18px;height:18px}
.hint{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);background:rgba(0,0,0,.5);color:#fff;font-size:12px;padding:5px 12px;border-radius:999px;pointer-events:none;white-space:nowrap;transition:opacity .6s}
.zoomb{position:absolute;right:12px;bottom:12px;display:flex;flex-direction:column;gap:8px}
.panel{flex:1;min-width:0;padding:0 16px calc(92px + env(safe-area-inset-bottom));background:var(--bg)}
.ptabs{position:fixed;left:0;right:0;bottom:0;z-index:10;background:var(--bar);backdrop-filter:saturate(180%) blur(22px);-webkit-backdrop-filter:saturate(180%) blur(22px);border-top:1px solid var(--sep);padding:6px 8px calc(6px + env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr)}
.tab{display:flex;flex-direction:column;align-items:center;gap:3px;padding:4px 0;font-size:10.5px;font-weight:500;color:var(--label2)}.tab svg{width:25px;height:25px}.tab.on{color:var(--blue)}
.tab{position:relative}.badge{position:absolute;top:0;left:55%;background:var(--red);color:#fff;font-size:10px;font-weight:700;border-radius:999px;min-width:16px;height:16px;display:grid;place-items:center;padding:0 4px}
@media(min-width:900px){
  #app{flex-direction:row;height:100dvh;overflow:hidden}
  .stage{flex:1;height:100%}
  .panel{flex:none;width:430px;overflow-y:auto;padding:0 20px 20px;border-left:1px solid var(--sep);display:flex;flex-direction:column}
  .ptabs{position:static;order:-1;margin:16px 0 0;border:0;border-radius:12px;background:var(--fill);padding:3px;backdrop-filter:none;position:sticky;top:0;z-index:5}
  .panel{padding-top:0}
  .tab{flex-direction:row;justify-content:center;gap:6px;font-size:13px;font-weight:600;padding:7px 4px;border-radius:9px}.tab svg{width:17px;height:17px}.tab.on{background:var(--card);color:var(--label);box-shadow:0 1px 4px rgba(0,0,0,.12)}
  .tab .lbl{display:inline}.badge{position:static}
  .hint{bottom:14px}
}
.view{animation:fade .25s ease}@keyframes fade{from{opacity:0;transform:translateY(6px)}}
.nav{padding:18px 4px 10px}.large{font-size:30px;font-weight:700;margin:0;letter-spacing:.3px}
.timer{font-size:54px;font-weight:700;text-align:center;font-variant-numeric:tabular-nums;letter-spacing:-1px;padding:14px 0 2px}.tsub{text-align:center;color:var(--label2);font-size:14px;margin-bottom:14px}
.btn svg{width:20px;height:20px}
/* leaderboard */
.lb{display:flex;align-items:center;gap:12px;padding:11px 16px;position:relative}.lb+.lb::before{content:"";position:absolute;top:0;left:16px;right:0;border-top:1px solid var(--sep)}
.rk{width:22px;text-align:center;font-weight:700;color:var(--label2);font-variant-numeric:tabular-nums}.lb:first-child .rk{color:var(--orange)}
.av{width:36px;height:36px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:700;font-size:14px;color:#fff;position:relative}
.av::after{content:"";position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;background:var(--label3);border:2px solid var(--card)}.av.study::after{background:var(--green)}.av.idle::after{background:var(--orange)}
.lb .bar{height:4px;border-radius:2px;background:var(--fill);margin-top:5px;overflow:hidden}.lb .bar i{display:block;height:100%;background:var(--blue);border-radius:2px;transition:width .6s}
/* chat */
.chat{display:flex;flex-direction:column;height:300px}.msgs{flex:1;overflow-y:auto;padding:12px 14px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:82%;align-self:flex-start}.msg small{display:block;font-size:11px;color:var(--label2);margin:0 10px 2px}.msg p{margin:0;background:var(--fill);padding:8px 12px;border-radius:17px;font-size:15px;word-break:break-word}
.msg.me{align-self:flex-end}.msg.me small{text-align:right}.msg.me p{background:var(--blue);color:#fff}
.cin{display:flex;gap:8px;padding:10px;border-top:1px solid var(--sep)}.cin input{flex:1;border:0;background:var(--fill);border-radius:999px;padding:10px 16px;outline:none;min-width:0}
.cin button{width:40px;height:40px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;flex:none}.cin button svg{width:18px;height:18px}
.field{width:100%;padding:13px 16px;border-radius:14px;border:0;background:var(--card);font-size:17px;outline:2px solid transparent;box-shadow:var(--shadow)}.field:focus{outline-color:var(--blue)}
.field.code{text-transform:uppercase;letter-spacing:3px;text-align:center;font-weight:600}
.sw{display:flex;gap:10px;flex-wrap:wrap;padding:4px 0}.sw button{width:34px;height:34px;border-radius:50%;border:3px solid transparent;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}.sw button.on{border-color:var(--blue);box-shadow:0 0 0 2px var(--card) inset}
.edl{padding:14px 16px}.edl+.edl{border-top:1px solid var(--sep)}.edl small{display:block;font-size:13px;font-weight:600;color:var(--label2);margin-bottom:8px}
.tog{width:51px;height:31px;border-radius:999px;background:var(--fill);position:relative;transition:background .2s;flex:none}.tog::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.25);transition:transform .2s}.tog.on{background:var(--green)}.tog.on::after{transform:translateX(20px)}
.sheet-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:40;display:flex;align-items:flex-end;justify-content:center;animation:fadeb .2s}@keyframes fadeb{from{opacity:0}}
.sheet{background:var(--bg);width:100%;max-width:480px;max-height:92dvh;overflow-y:auto;border-radius:24px 24px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));animation:up .3s cubic-bezier(.2,.9,.3,1)}@keyframes up{from{transform:translateY(60px);opacity:0}}
@media(min-width:900px){.sheet-bg{align-items:center}.sheet{border-radius:24px}}
.sheet h2{margin:0 0 4px;font-size:24px}.sheet p.s{margin:0 0 14px;color:var(--label2);font-size:15px}
.prev{height:170px;border-radius:18px;background:#c9d4ea;margin-bottom:14px;position:relative;overflow:hidden}.prev canvas{width:100%;height:100%;display:block}
.welcome{position:absolute;inset:0;z-index:30;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(rgba(242,242,247,.55),rgba(242,242,247,.9));backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
:root[data-theme=dark] .welcome{background:linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.85))}
.wcard{background:var(--card);border-radius:28px;padding:28px 24px;max-width:400px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.2);text-align:center}
.wcard img{width:84px;height:84px;border-radius:21px;box-shadow:0 8px 24px rgba(0,100,255,.3)}.wcard h1{margin:14px 0 6px;font-size:30px}.wcard p{margin:0 0 20px;color:var(--label2);font-size:15px}
.gbtn{background:#fff;color:#1f1f1f;border:1px solid rgba(0,0,0,.14)}
.banner{background:rgba(255,149,0,.14);color:var(--orange);border-radius:14px;padding:12px 14px;font-size:14px;margin-top:14px;line-height:1.35;text-align:left}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:30px;font-weight:700;letter-spacing:5px;text-align:center;padding:18px 8px;user-select:all}
.empty{text-align:center;color:var(--label2);padding:24px 16px;font-size:15px}
.stack>*+*{margin-top:12px}
#toast{position:fixed;left:50%;top:calc(14px + env(safe-area-inset-top));transform:translate(-50%,-90px);background:var(--card);color:var(--label);padding:12px 18px;border-radius:999px;box-shadow:0 8px 30px rgba(0,0,0,.2);font-size:15px;font-weight:500;z-index:60;transition:transform .35s cubic-bezier(.2,.9,.3,1.2);max-width:90vw;text-align:center}
#toast.on{transform:translate(-50%,0)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}