:root{
  --bg:#F3F4EF; --ink:#15171A; --muted:#5B5F65; --faint:#6B6F75;
  --card:#FFFFFF; --dark:#17191C; --dark-track:#2C2F34; --dark-muted:#C3C6CB;
  --line:#D3D5CE; --divider:#E2E3DD; --empty:#E7E8E2;
  --accent:#C6F24E; --accent-soft:#E8F9B8; --flame:#FF8A3D; --dash:#9A9EA4;
  --num:'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --sans:-apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-tap-highlight-color:transparent}
body{min-height:100dvh}
button{font-family:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #2B6CF6;outline-offset:2px}
.num{font-family:var(--num)}
.app{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}
main{flex:1;padding:calc(env(safe-area-inset-top) + 32px) 20px 20px;display:flex;flex-direction:column;gap:18px;min-width:0}
.view[hidden]{display:none}
.view{display:flex;flex-direction:column;gap:18px;min-width:0}

header.top{display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.eyebrow{font-size:14px;color:var(--muted);font-weight:500}
h1{margin:4px 0 0;font-size:32px;font-weight:900;letter-spacing:-.5px}
h2{margin:0;font-size:16px;font-weight:700}
.pill{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:999px;background:var(--dark);color:#fff;font-size:14px;font-weight:700;white-space:nowrap}
.icon{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round}

/* music / wake toggles */
.toggles{display:flex;gap:8px}
.tgl{flex:1;min-width:0;display:flex;align-items:center;gap:8px;height:44px;padding:0 10px 0 14px;border-radius:14px;border:1.5px solid var(--line);background:var(--card);font-size:14px;font-weight:700;white-space:nowrap}
.tgl span{flex:1;text-align:left}
.tgl .knob{flex:none;position:relative;width:34px;height:20px;border-radius:999px;background:var(--empty);transition:background .2s}
.tgl .knob::after{content:'';position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .2s}
.tgl[aria-pressed="true"]{border-color:var(--ink)}
.tgl[aria-pressed="true"] .knob{background:var(--ink)}
.tgl[aria-pressed="true"] .knob::after{transform:translateX(14px);background:var(--accent)}

/* exercise chips */
.picker{display:flex;flex-direction:column;gap:10px;min-width:0}
.chips{display:flex;gap:8px;overflow-x:auto;margin:0 -20px;padding:2px 20px 6px;scrollbar-width:none;scroll-snap-type:x proximity;scroll-padding:0 20px}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;display:flex;align-items:center;gap:8px;height:44px;padding:0 16px 0 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--card);font-size:15px;font-weight:700;white-space:nowrap;scroll-snap-align:start;transition:background .15s,border-color .15s,color .15s}
.chip .mark{flex:none;width:10px;height:10px;border-radius:50%;background:var(--c);display:flex;align-items:center;justify-content:center;color:var(--ink);transition:width .15s,height .15s}
.chip.done .mark{width:20px;height:20px}
.chip[aria-pressed="true"]{background:var(--dark);border-color:var(--dark);color:#fff}
.chip.sm{height:40px;font-size:14px;padding:0 14px 0 12px}

.ring-card{background:var(--dark);color:#fff;border-radius:28px;padding:24px;display:flex;flex-direction:column;align-items:center;gap:12px}
.ring{position:relative;width:220px;height:220px}
.ring svg{display:block}
.ring .prog{transition:stroke-dashoffset .45s cubic-bezier(.3,.7,.3,1),stroke .3s}
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px}
.big{font-family:var(--num);font-size:76px;font-weight:700;line-height:1;letter-spacing:-2px}
.goal-btn{background:none;border:none;color:#B9BCC2;font-size:15px;padding:6px 10px;border-radius:10px;min-height:32px}
.goal-btn:hover{color:#fff}
.status{font-size:15px;color:#D6D8DC;min-height:22px;display:flex;align-items:center;gap:8px;text-align:center}
.status.ok{color:var(--accent);font-weight:700}

.adjust{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.adjust button{height:56px;border-radius:16px;border:1.5px solid var(--line);background:var(--card);font-family:var(--num);font-size:20px;font-weight:700;transition:transform .08s}
.adjust button:active{transform:scale(.96)}
.timer{height:56px;border-radius:16px;border:1.5px solid var(--ink);background:var(--card);display:flex;align-items:center;justify-content:center;gap:10px;font-size:16px;font-weight:700}
.timer[hidden]{display:none}
.timer .i-stop{display:none}
.timer.running{background:var(--ink);color:#fff}
.timer.running .i-play{display:none}
.timer.running .i-stop{display:block;color:var(--accent)}
.timer .tl{font-variant-numeric:tabular-nums}
.primary{height:60px;border-radius:18px;border:none;background:var(--accent);color:var(--ink);font-size:18px;font-weight:900;letter-spacing:1px;transition:transform .08s,background .3s}
.primary:active{transform:scale(.98)}
.secondary{height:60px;border-radius:18px;border:1.5px solid var(--ink);background:transparent;font-size:16px;font-weight:700}
.primary[hidden],.secondary[hidden]{display:none}

.row-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.sub{font-size:13px;color:var(--muted)}
.sub b{font-family:var(--num);color:var(--ink)}
.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.wd{height:64px;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;background:var(--empty);color:var(--muted)}
.wd span:first-child{font-size:12px;font-weight:500}
.wd .n{font-family:var(--num);font-size:15px;font-weight:700}
.wd.done{background:var(--accent);color:var(--ink)}
.wd.today{border:2px solid var(--ink);color:var(--ink)}
.wd.today:not(.done):not(.partial){background:var(--card)}
.wd.partial{background:var(--accent-soft);color:var(--ink)}

.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.stat{background:var(--card);border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:6px;min-width:0}
.stat .l{font-size:12px;color:var(--muted)}
.stat .v{font-family:var(--num);font-size:28px;font-weight:700;line-height:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.stat .v small{font-family:var(--sans);font-size:13px;font-weight:500;color:var(--muted)}
.stat.dark{background:var(--dark);color:#fff}
.stat.dark .l,.stat.dark small{color:var(--dark-muted)}

.card{background:var(--card);border-radius:24px;padding:16px;display:flex;flex-direction:column;gap:10px}
.icon-btn{width:44px;height:44px;border-radius:14px;border:1.5px solid var(--line);background:var(--card);display:flex;align-items:center;justify-content:center}
.icon-btn:disabled{opacity:.35;cursor:default}
.cal-head,.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}
.cal-head{text-align:center;font-size:12px;color:var(--muted);font-weight:500}
.cell{height:44px;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-family:var(--num);font-size:14px;font-weight:700}
.cell.future{color:var(--faint);font-weight:500}
.cell.done{background:var(--hacc)}
.cell.partial{background:var(--hacc-soft)}
.cell.multi{background:var(--bg)}
.cell.missed{color:var(--muted);border:1.5px dashed var(--dash)}
.cell.today{border:2px solid var(--ink)}
.cell.none{color:var(--faint);font-weight:500}
.dots{display:flex;flex-wrap:wrap;justify-content:center;gap:2px;max-width:19px}
.dots i{width:5px;height:5px;border-radius:50%}
.legend{display:flex;flex-wrap:wrap;gap:8px 14px;padding-top:4px;font-size:12px;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:6px}
.sw{width:12px;height:12px;border-radius:4px;flex:none}
.sw.round{border-radius:50%;width:10px;height:10px}

.bars{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;align-items:end;height:100px}
.bar{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;height:100%}
.bar .val{font-family:var(--num);font-size:11px;font-weight:700}
.bar .b{width:100%;max-width:26px;border-radius:8px;background:var(--hacc-soft);transition:height .3s}
.bar .b.done{background:var(--hacc)}
.bar .b.today{background:var(--dark)}
.bar .stack{width:100%;max-width:26px;display:flex;flex-direction:column-reverse;gap:2px}
.bar .stack i{display:block;height:8px;border-radius:3px}
.bar .stack i.empty{background:var(--empty);height:6px}
.bar .lab{font-size:11px;color:var(--muted)}

.data-row{display:flex;gap:10px;flex-wrap:wrap}
.ghost{flex:1;min-width:120px;height:48px;border-radius:14px;border:1.5px solid var(--line);background:var(--card);font-size:14px;font-weight:700}

nav.tabs{position:sticky;bottom:0;background:var(--card);border-top:1px solid var(--divider);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:8px 48px calc(env(safe-area-inset-bottom) + 10px);z-index:5}
nav.tabs button{background:none;border:none;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px;min-height:56px;font-size:12px;color:var(--muted);font-weight:500}
nav.tabs button[aria-selected="true"]{color:var(--ink);font-weight:700}

dialog{border:none;border-radius:24px;padding:24px;width:min(340px,calc(100vw - 32px));background:var(--card);color:var(--ink)}
dialog::backdrop{background:rgba(21,23,26,.45)}
dialog h3{margin:0 0 6px;font-size:20px;font-weight:900}
dialog p{margin:0 0 16px;font-size:14px;color:var(--muted)}
dialog label{font-size:13px;font-weight:700;display:block;margin-bottom:6px}
dialog input{width:100%;height:52px;border-radius:14px;border:1.5px solid var(--line);padding:0 14px;font-family:var(--num);font-size:22px;font-weight:700;color:var(--ink);background:var(--bg)}
.presets{display:flex;gap:8px;margin:12px 0 20px;flex-wrap:wrap}
.presets button{flex:1;height:40px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);font-family:var(--num);font-weight:700}
.dlg-actions{display:flex;gap:10px}
.dlg-actions button{flex:1;height:48px;border-radius:14px;font-weight:700;font-size:15px}
.dlg-actions .cancel{border:1.5px solid var(--line);background:var(--card)}
.dlg-actions .ok{border:none;background:var(--ink);color:#fff}

.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 96px);transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:14px;font-size:14px;font-weight:700;opacity:0;pointer-events:none;transition:all .25s;white-space:nowrap;z-index:10}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}