:root{--bg:#060607;--panel:#141416;--line:rgba(255,255,255,.12);--text:#f1f1f4;--mute:#9a9aa3;--silver:#e9e9ee;--accent:#ff8a3d;--rec:#ff4d4d;--ok:#7fd08f;color-scheme:dark;--f:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif}
body{min-height:100vh;min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);background:radial-gradient(900px 500px at 50% -10%,#26262a,transparent 60%),var(--bg)}
#app{max-width:560px;margin:0 auto;padding:12px 16px 40px;display:flex;flex-direction:column;gap:14px}
.top{display:flex;justify-content:space-between;align-items:center;min-height:44px}
.brand{display:flex;align-items:center;gap:9px;font-size:19px}
.brand b{font-weight:700;letter-spacing:-.01em}.brand b span{background:linear-gradient(90deg,#ffb347,#ff6b6b,#c77dff);-webkit-background-clip:text;background-clip:text;color:transparent}.brand i{font-style:normal;color:var(--mute);font-weight:600}
.screen{display:none;flex-direction:column;gap:14px;align-items:stretch;animation:rise .25s ease both}.screen.on{display:flex}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.row{display:flex;gap:10px;align-items:center}.row.center{justify-content:center}.row.wrap{flex-wrap:wrap}
.hint{color:var(--mute);font-size:14px;text-align:center;margin:0}
h2{margin:6px 0 0;font-size:20px;text-align:center}
.seg{display:inline-flex;align-self:center;background:#0f0f10;border:1px solid var(--line);border-radius:12px;padding:3px;gap:3px}
.seg button{border:0;background:none;color:var(--mute);font:600 14px var(--f);padding:9px 18px;border-radius:9px;cursor:pointer;min-height:40px}
.seg button[aria-pressed=true]{background:var(--silver);color:#0b0b0c}
.stage{position:relative;border-radius:22px;background:#0b0b0d;border:1px solid var(--line);overflow:hidden;aspect-ratio:4/3;display:grid;place-items:center}
.stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(var(--mir,1))}
.stage canvas{position:absolute;left:0;right:0;bottom:0;width:100%;height:46%;opacity:.95}
.timer{position:absolute;top:12px;left:0;right:0;text-align:center;font:700 28px ui-monospace,Menlo,Consolas,monospace;text-shadow:0 2px 10px #000}
.rec{align-self:center;width:84px;height:84px;border-radius:50%;border:4px solid var(--silver);background:transparent;padding:6px;cursor:pointer}
.rec span{display:block;width:100%;height:100%;border-radius:50%;background:var(--rec);transition:border-radius .2s,transform .2s}
.rec.on span{border-radius:12px;transform:scale(.62)}
.chip{border:1px solid var(--line);background:#101012;color:var(--text);border-radius:999px;padding:9px 15px;font:600 14px var(--f);cursor:pointer;min-height:40px}
.chip[aria-pressed=true]{background:var(--silver);color:#0b0b0c;border-color:transparent}.chip.ghost{background:none;color:var(--mute)}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#18181b;color:var(--text);border-radius:14px;padding:12px 20px;font:600 15px var(--f);text-decoration:none;cursor:pointer;min-height:46px}
.btn.primary{background:var(--silver);color:#0b0b0c;border-color:transparent}.btn.ghost{background:none;color:var(--mute)}
.btn:disabled{opacity:.5}
.recent{display:flex;flex-direction:column;gap:8px}
.item{display:flex;gap:12px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.item b{display:block;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item small{color:var(--mute)}.item>div{flex:1;min-width:0}
.item button{min-height:40px}
.ring{position:relative;width:150px;height:150px;align-self:center;margin-top:30px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}.rt{fill:none;stroke:#1d1d20;stroke-width:7}.rv{fill:none;stroke:var(--accent);stroke-width:7;stroke-linecap:round;stroke-dasharray:276.5;stroke-dashoffset:276.5;transition:stroke-dashoffset .3s}
.ring b{position:absolute;inset:0;display:grid;place-items:center;font-size:30px}
#resWave{width:100%;height:auto;aspect-ratio:600/140;background:#0b0b0d;border:1px solid var(--line);border-radius:16px}
#resVideo{width:100%;max-height:46vh;border-radius:16px;background:#000}
.play{width:64px;height:64px;border-radius:50%;border:0;background:var(--silver);display:grid;place-items:center;cursor:pointer}.play svg{width:26px;height:26px;fill:#0b0b0c}.play.on svg{content:"";}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}.stat small{display:block;color:var(--mute);font-size:12px}.stat b{font-size:15px}
.more{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:8px 14px}.more summary{cursor:pointer;color:var(--mute)}.more li{margin:6px 0;color:var(--text);font-size:14px}
.toast{position:fixed;left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));background:#222226;border:1px solid var(--line);border-radius:14px;padding:12px 16px;text-align:center;z-index:9}
a{color:var(--silver)}
.ai{display:flex;gap:10px;align-items:center;justify-content:center;color:var(--text);font-size:15px}.ai small{display:block;color:var(--mute);font-size:12.5px}.ai input{width:22px;height:22px;accent-color:#e9e9ee}