:root{--bg:#14110f;--card:#1f1a17;--card2:#27211d;--line:#3a312b;--text:#f3ece6;--muted:#b3a79d;--dim:#8a7f76;--accent:#f2a65a;--accent2:#e5567a;--good:#6fcf97;--warn:#f2c94c;--bad:#ff6b6b;--guitar:#f2a65a;--piano:#7aa2f7;--voice:#f28fad;--r:18px;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font:17px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
body{min-height:100vh;min-height:100dvh}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3{margin:0;line-height:1.2}
.app{display:grid;grid-template-rows:1fr auto;min-height:100dvh}
.main{padding:calc(var(--safe-t) + 14px) 16px 24px;max-width:780px;width:100%;margin:0 auto}
.nav{position:sticky;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:8px 10px calc(8px + var(--safe-b));background:rgba(20,17,15,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);z-index:20}
.nav button{display:grid;justify-items:center;gap:2px;min-height:56px;padding:6px 4px;border:0;border-radius:14px;background:none;color:var(--muted);font-size:12.5px;font-weight:600}
.nav button .ic{font-size:22px;line-height:1}
.nav button.on{background:var(--card2);color:var(--text)}
@media (min-width:900px) and (orientation:landscape){.app{grid-template-columns:96px minmax(0,1fr);grid-template-rows:1fr}.nav{grid-column:1;grid-row:1;position:sticky;top:0;height:100dvh;grid-template-columns:1fr;grid-auto-rows:72px;align-content:start;border-top:0;border-right:1px solid var(--line);padding:calc(var(--safe-t) + 14px) 8px}.main{grid-column:2;grid-row:1;padding-top:calc(var(--safe-t) + 22px);max-width:860px}}
.top{display:flex;align-items:center;gap:10px;justify-content:space-between;margin-bottom:14px}
.top h1{font-size:25px;letter-spacing:-.01em}.top small{display:block;color:var(--muted);font-size:14px;margin-top:2px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border-radius:99px;background:var(--card2);border:1px solid var(--line);font-size:14.5px;font-weight:600;min-height:38px}
.chip.fire{color:var(--accent)}
.iconbtn{width:48px;height:48px;border-radius:14px;border:1px solid var(--line);background:var(--card);font-size:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:14px}
.card h2{font-size:18px;margin-bottom:8px}
.muted{color:var(--muted)}.dim{color:var(--dim)}.small{font-size:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.opt{min-height:50px;min-width:64px;padding:0 18px;border-radius:14px;border:2px solid var(--line);background:var(--card2);font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.opt.on{border-color:var(--accent);background:rgba(242,166,90,.14);color:#fff}
.opt.guitar.on{border-color:var(--guitar)}.opt.piano.on{border-color:var(--piano);background:rgba(122,162,247,.14)}.opt.voice.on{border-color:var(--voice);background:rgba(242,143,173,.14)}
.btn{min-height:52px;padding:0 22px;border-radius:14px;border:0;font-weight:700;background:var(--card2);border:1px solid var(--line)}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#1a0f0a;border:0}
.btn.big{min-height:60px;font-size:18px;width:100%}
.btn.ghost{background:none}
.btn:disabled{opacity:.5}
label.fld{display:grid;gap:6px;margin:10px 0;font-weight:600;font-size:15px}
input[type=text],input[type=password],textarea{width:100%;padding:13px 14px;border-radius:12px;border:1px solid var(--line);background:#120f0d;font-size:17px;min-height:50px}
textarea{resize:vertical}
.progress{height:12px;border-radius:99px;background:#120f0d;overflow:hidden;border:1px solid var(--line)}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:99px;transition:width .3s}
.block{border-left:6px solid var(--c,var(--accent))}
.block.done{opacity:.72}
.bh{display:flex;gap:12px;align-items:flex-start}
.bh .ic{font-size:26px;line-height:1.2}
.bh h3{font-size:17.5px;flex:1}
.mins{font-weight:800;font-size:15px;color:var(--c,var(--accent));white-space:nowrap}
.target{margin:8px 0 2px;padding:9px 12px;border-radius:12px;background:rgba(255,255,255,.05);font-size:15px}.target b{color:var(--c,var(--accent))}
.steps{margin:10px 0 4px;padding-left:22px;display:grid;gap:7px;font-size:16px}
.tip{color:var(--muted);font-size:14.5px;margin:6px 0}
.checkrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.check{min-height:52px;padding:0 18px;border-radius:14px;border:2px solid var(--line);background:var(--card2);display:inline-flex;align-items:center;gap:10px;font-weight:700}
.check .box{width:26px;height:26px;border-radius:8px;border:2px solid var(--dim);display:grid;place-items:center;font-size:18px;line-height:1}
.check.on{border-color:var(--good);background:rgba(111,207,151,.12)}.check.on .box{background:var(--good);border-color:var(--good);color:#0e1a12}
.check.hard.on{border-color:var(--warn);background:rgba(242,201,76,.12)}.check.hard.on .box{background:var(--warn);border-color:var(--warn);color:#201a05}
.timer{margin:12px 0;padding:14px;border-radius:16px;background:#120f0d;border:1px solid var(--line);text-align:center}
.timer .t{font:800 54px/1 ui-rounded,-apple-system,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.timer.over .t{color:var(--good)}
.metro{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:12px;flex-wrap:wrap}
.metro b{font-size:20px;min-width:92px;text-align:center}
.pill{display:inline-block;padding:3px 10px;border-radius:99px;background:var(--card2);font-size:12.5px;font-weight:700}
.note-in{margin-top:10px}
.tabs-in{display:flex;gap:8px;margin-bottom:12px}
.cat{margin:14px 0 4px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);font-weight:700}
.ms{display:flex;gap:12px;align-items:flex-start;padding:12px 4px;border-top:1px solid var(--line);min-height:56px;width:100%;background:none;border-left:0;border-right:0;border-bottom:0;text-align:left}
.ms .box{flex:none;width:30px;height:30px;border-radius:9px;border:2px solid var(--dim);display:grid;place-items:center;font-size:20px;margin-top:1px}
.ms.on .box{background:var(--good);border-color:var(--good);color:#0e1a12}.ms.on span.t{color:var(--muted);text-decoration:line-through;text-decoration-color:rgba(255,255,255,.25)}
.trackhead{display:flex;gap:12px;align-items:center;margin-bottom:10px}.trackhead .ic{font-size:30px}.trackhead h2{margin:0}
.heat{display:grid;grid-template-columns:repeat(10,1fr);grid-auto-flow:column;grid-template-rows:repeat(7,1fr);gap:4px;margin:10px 0}
.heat i{aspect-ratio:1;border-radius:5px;background:#201a17;border:1px solid #2c241f;min-width:12px}.heat i.l1{background:#5a3d22}.heat i.l2{background:#9a6a30}.heat i.l3{background:var(--accent)}.heat i.l4{background:#ffd29a}
.day{padding:12px 0;border-top:1px solid var(--line)}.day b{display:block}
.chat{display:grid;gap:10px;margin-bottom:12px}
.msg{max-width:92%;padding:12px 14px;border-radius:16px;white-space:pre-wrap;overflow-wrap:anywhere;font-size:16.5px;line-height:1.5}
.msg.you{justify-self:end;background:rgba(122,162,247,.16);border:1px solid rgba(122,162,247,.35)}
.msg.coach{justify-self:start;background:var(--card);border:1px solid var(--line)}
.msg.note{justify-self:center;color:var(--muted);font-size:14px}
.msg.typing{color:var(--muted)}
.compose{position:sticky;bottom:calc(76px + var(--safe-b));background:var(--bg);padding:8px 0;display:grid;gap:8px}
@media (min-width:900px) and (orientation:landscape){.compose{bottom:0}}
.quick{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}.quick button{flex:none;min-height:44px;padding:0 14px;border-radius:99px;border:1px solid var(--line);background:var(--card);font-size:14.5px;font-weight:600}
.banner{padding:12px 14px;border-radius:14px;background:rgba(242,201,76,.1);border:1px solid rgba(242,201,76,.35);font-size:15px;margin-bottom:12px}
.login{min-height:100dvh;display:grid;place-items:center;padding:20px}.login .card{width:min(420px,100%);padding:24px}
.login h1{font-size:28px;margin-bottom:4px}.err{color:var(--bad);font-size:15px;min-height:22px}
#toast{position:fixed;left:50%;bottom:calc(92px + var(--safe-b));transform:translate(-50%,20px);background:#f3ece6;color:#14110f;padding:12px 18px;border-radius:14px;font-weight:700;opacity:0;pointer-events:none;transition:.25s;z-index:60;max-width:90%}
#toast.on{opacity:1;transform:translate(-50%,0)}
.sheet{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:50;display:grid;align-items:end}.sheet>div{background:var(--card);border-radius:22px 22px 0 0;padding:20px 18px calc(24px + var(--safe-b));max-height:90dvh;overflow:auto;max-width:560px;width:100%;margin:0 auto}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}