:root{--bg:#09090b;--bg2:#0e0e11;--panel:#141418;--panel2:#1b1b20;--line:#26262d;--line2:#34343c;--text:#f4f4f6;--mute:#9d9da8;--dim:#6b6b76;--red:#e5191f;--red2:#ff3b3f;--redglow:rgba(229,25,31,.35);--green:#35d07f;--amber:#ffb547;--r:18px;--display:"Space Grotesk",Inter,system-ui,sans-serif;--ease:cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.55 Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden}
body:before{content:"";position:fixed;inset:-20% -10% auto;height:70vh;background:radial-gradient(60% 60% at 70% 0%,rgba(229,25,31,.16),transparent 70%),radial-gradient(40% 50% at 10% 10%,rgba(255,255,255,.05),transparent 70%);pointer-events:none;z-index:0}
a{color:inherit}
button{font:inherit;color:inherit}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:rgba(9,9,11,.78);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06)}
.brand{font-weight:800;letter-spacing:.12em;text-decoration:none;font-size:15px;display:flex;align-items:center;gap:10px}
.brand .mark{color:var(--red)}
.brand .tag{font-family:var(--display);letter-spacing:.02em;font-weight:500;color:var(--mute);font-size:13px;border-left:1px solid var(--line2);padding-left:10px}
.site{color:var(--mute);font-size:14px;text-decoration:none;transition:color .2s}
.site:hover{color:#fff}
main{position:relative;z-index:1;max-width:980px;margin:0 auto;padding:28px 18px 140px}
.hero{margin:6px 0 26px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--red2)}
.hero h1{font-family:var(--display);font-size:clamp(32px,6vw,54px);line-height:1.02;letter-spacing:-.03em;margin:10px 0 12px;font-weight:700}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,#fff 10%,#ff6b6e 60%,var(--red));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--mute);max-width:620px;margin:0;font-size:17px}
/* stepper */
.stepper{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:0 0 22px;position:sticky;top:57px;z-index:15;padding:10px 0;background:linear-gradient(var(--bg) 70%,transparent)}
.stp{all:unset;cursor:pointer;display:flex;flex-direction:column;gap:8px;min-width:0}
.stp[disabled]{cursor:not-allowed}
.stp .bar{height:4px;border-radius:4px;background:var(--line);overflow:hidden;position:relative}
.stp .bar:after{content:"";position:absolute;inset:0;width:0;background:linear-gradient(90deg,var(--red),var(--red2));transition:width .5s var(--ease)}
.stp.done .bar:after,.stp.on .bar:after{width:100%}
.stp.on .bar:after{box-shadow:0 0 14px var(--redglow)}
.stp span{font-size:12.5px;color:var(--dim);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .2s}
.stp.on span{color:#fff}.stp.done span{color:var(--mute)}
.stp b{font-family:var(--display);font-weight:600;margin-right:6px;color:var(--dim)}
.stp.on b{color:var(--red2)}
/* panels */
.panel{display:none;animation:in .45s var(--ease)}
.panel.on{display:block}
@keyframes in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.card{background:linear-gradient(180deg,rgba(255,255,255,.025),transparent 40%),var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px;margin:0 0 16px}
.card h2{font-family:var(--display);font-size:24px;letter-spacing:-.02em;margin:0 0 6px;font-weight:600}
.card h3{font-size:14px;font-weight:700;margin:0 0 10px;color:#e8e8ec;letter-spacing:.01em}
.sub{color:var(--mute);margin:0 0 18px}
.hint{color:var(--dim);font-size:13px;margin:8px 0 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin:0 0 18px}
.field>label,.lab{display:flex;justify-content:space-between;align-items:baseline;font-size:13px;font-weight:600;color:#d6d6dc;margin:0 0 8px}
.lab small,.field>label small{color:var(--dim);font-weight:500}
input[type=text],input[type=number],textarea{width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:12px 14px;font:inherit;font-size:16px;transition:border-color .2s,box-shadow .2s}
textarea{resize:vertical;min-height:96px;line-height:1.5}
input:focus,textarea:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(229,25,31,.18)}
::placeholder{color:#5c5c66}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{all:unset;cursor:pointer;padding:8px 14px;border-radius:999px;border:1px solid var(--line2);background:var(--panel2);font-size:14px;font-weight:500;color:#d8d8de;transition:all .18s var(--ease);user-select:none}
.chip:hover{border-color:#55555f;color:#fff;transform:translateY(-1px)}
.chip[aria-pressed=true]{background:#fff;color:#0a0a0c;border-color:#fff;font-weight:600}
.chip:focus-visible,.btn:focus-visible,.preset:focus-visible,.stp:focus-visible{outline:2px solid #fff;outline-offset:2px}
.tpl{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px}
.tplc{all:unset;cursor:pointer;padding:14px;border-radius:14px;border:1px solid var(--line);background:linear-gradient(135deg,var(--panel2),var(--bg2));transition:all .2s var(--ease)}
.tplc:hover{border-color:var(--red);transform:translateY(-2px)}
.tplc b{display:block;font-family:var(--display);font-weight:600;font-size:15px}
.tplc small{color:var(--mute);font-size:12.5px}
.seg{display:inline-flex;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px}
.seg button{all:unset;cursor:pointer;padding:8px 16px;border-radius:9px;font-size:14px;font-weight:600;color:var(--mute);transition:all .2s}
.seg button[aria-pressed=true]{background:var(--panel2);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 4px 14px rgba(0,0,0,.4)}
/* buttons */
.btn{all:unset;box-sizing:border-box;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:14px;font-weight:700;font-size:15px;letter-spacing:.01em;transition:transform .15s var(--ease),box-shadow .2s,background .2s,opacity .2s;text-align:center}
.btn.pri{background:linear-gradient(180deg,#f2262c,#c9141a);color:#fff;box-shadow:0 10px 30px -10px var(--redglow),0 1px 0 rgba(255,255,255,.2) inset}
.btn.pri:hover{transform:translateY(-1px);box-shadow:0 14px 34px -10px rgba(229,25,31,.55),0 1px 0 rgba(255,255,255,.2) inset}
.btn.sec{background:var(--panel2);border:1px solid var(--line2);color:#fff}
.btn.sec:hover{border-color:#55555f}
.btn.ghost{color:var(--mute);padding:10px 12px}
.btn.ghost:hover{color:#fff}
.btn.sm{padding:9px 14px;font-size:13.5px;border-radius:11px}
.btn[disabled],.btn.busy{opacity:.5;pointer-events:none}
.btn svg{width:18px;height:18px;flex:none}
.navbar{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:12px 18px calc(12px + env(safe-area-inset-bottom));background:rgba(9,9,11,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.06)}
.navin{max-width:980px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:12px}
.navin .status{color:var(--mute);font-size:13.5px;flex:1;text-align:center}
/* photo */
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;border:1.5px dashed var(--line2);border-radius:var(--r);padding:44px 20px;cursor:pointer;transition:all .2s;background:radial-gradient(60% 80% at 50% 0%,rgba(229,25,31,.08),transparent)}
.drop:hover,.drop.over{border-color:var(--red);background:radial-gradient(60% 80% at 50% 0%,rgba(229,25,31,.16),transparent)}
.drop .ic{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;background:var(--panel2);border:1px solid var(--line2)}
.drop b{font-family:var(--display);font-size:19px}
.drop small{color:var(--mute)}
.cropwrap{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:22px;align-items:start}
.cropbox{position:relative;aspect-ratio:1;width:100%;max-width:520px;border-radius:16px;overflow:hidden;background:#000;touch-action:none;cursor:grab;box-shadow:0 30px 80px -30px rgba(0,0,0,.8)}
.cropbox:active{cursor:grabbing}
.cropbox canvas{width:100%;height:100%;display:block}
.cropbox .grid3{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,transparent 33.2%,rgba(255,255,255,.18) 33.3%,transparent 33.5%,transparent 66.5%,rgba(255,255,255,.18) 66.6%,transparent 66.8%),linear-gradient(transparent 33.2%,rgba(255,255,255,.18) 33.3%,transparent 33.5%,transparent 66.5%,rgba(255,255,255,.18) 66.6%,transparent 66.8%);opacity:0;transition:opacity .2s}
.cropbox.drag .grid3{opacity:1}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;background:var(--line2);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(229,25,31,.35);cursor:pointer}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border:0;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(229,25,31,.35);cursor:pointer}
.saved{display:flex;align-items:center;gap:16px}
.saved img{width:96px;height:96px;border-radius:14px;object-fit:cover;border:1px solid var(--line2)}
.ok{color:var(--green);font-weight:600;font-size:14px;display:inline-flex;gap:6px;align-items:center}
/* prompt */
.promptbox{position:sticky;top:120px}
.promptbox textarea{min-height:240px;font-size:15px;background:#0b0b0e}
.tips{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-direction:column;gap:8px}
.tips li{font-size:13.5px;color:#d9d9de;padding:10px 12px 10px 34px;border-radius:12px;background:rgba(255,181,71,.07);border:1px solid rgba(255,181,71,.18);position:relative}
.tips li:before{content:"";position:absolute;left:13px;top:15px;width:8px;height:8px;border-radius:50%;background:var(--amber)}
.tips li.good{background:rgba(53,208,127,.07);border-color:rgba(53,208,127,.2)}
.tips li.good:before{background:var(--green)}
.pgrid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:16px;align-items:start}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.note{font-size:13px;color:var(--mute);margin-top:8px;min-height:1em}
.counter{font-size:12px;color:var(--dim)}
/* song */
.state{display:flex;gap:18px;align-items:flex-start;padding:20px;border-radius:16px;border:1px solid var(--line);background:var(--bg2)}
.state .ic{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:var(--panel2);border:1px solid var(--line2)}
.state h3{font-family:var(--display);font-size:18px;margin:2px 0 4px}
.state p{margin:0;color:var(--mute);font-size:14.5px}
.gen{display:flex;flex-direction:column;align-items:center;gap:16px;padding:34px 10px;text-align:center}
.eq{display:flex;gap:5px;align-items:flex-end;height:46px}
.eq i{width:6px;border-radius:3px;background:linear-gradient(var(--red2),var(--red));animation:eq 1s ease-in-out infinite}
.eq i:nth-child(2){animation-delay:-.2s}.eq i:nth-child(3){animation-delay:-.45s}.eq i:nth-child(4){animation-delay:-.7s}.eq i:nth-child(5){animation-delay:-.3s}.eq i:nth-child(6){animation-delay:-.85s}.eq i:nth-child(7){animation-delay:-.55s}
@keyframes eq{0%,100%{height:18%}50%{height:100%}}
.pbar{width:min(420px,100%);height:6px;border-radius:6px;background:var(--line);overflow:hidden;position:relative}
.pbar i{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,var(--red),var(--red2));border-radius:6px;transition:width .8s linear}
.pbar.ind i{width:35%;animation:ind 1.4s ease-in-out infinite}
@keyframes ind{0%{left:-35%}100%{left:100%}}
.gen .t{font-family:var(--display);font-size:20px}
.gen .s{color:var(--mute);font-size:14px}
.divider{display:flex;align-items:center;gap:12px;color:var(--dim);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin:22px 0}
.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}
.upl{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
/* player */
.player{display:flex;align-items:center;gap:14px;padding:14px;border-radius:16px;background:var(--bg2);border:1px solid var(--line)}
.play{all:unset;cursor:pointer;flex:none;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#000;transition:transform .15s var(--ease),box-shadow .2s;box-shadow:0 8px 24px -8px rgba(255,255,255,.35)}
.play:hover{transform:scale(1.05)}
.play svg{width:22px;height:22px}
.wave{position:relative;flex:1;height:64px;cursor:pointer;min-width:0}
.wave canvas{width:100%;height:100%;display:block}
.time{font-variant-numeric:tabular-nums;font-size:12.5px;color:var(--mute);flex:none;min-width:84px;text-align:right}
/* presets */
.presets{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.preset{all:unset;box-sizing:border-box;cursor:pointer;position:relative;padding:16px;border-radius:16px;border:1px solid var(--line);background:var(--bg2);transition:all .2s var(--ease);display:flex;flex-direction:column;gap:6px;min-height:138px}
.preset:hover{border-color:#4a4a54;transform:translateY(-2px)}
.preset[aria-pressed=true]{border-color:var(--red);background:linear-gradient(180deg,rgba(229,25,31,.12),rgba(229,25,31,.02)),var(--bg2);box-shadow:0 0 0 1px var(--red) inset,0 18px 40px -20px var(--redglow)}
.preset b{font-family:var(--display);font-size:17px;font-weight:600}
.preset small{color:var(--mute);font-size:13px;line-height:1.45}
.preset .lufs{margin-top:auto;font-size:12px;color:var(--dim);font-weight:600;letter-spacing:.04em}
.preset .spin{position:absolute;top:14px;right:14px}
.spin{width:18px;height:18px;border-radius:50%;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;animation:sp .8s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
.ab{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:16px 0 12px}
.abt{display:inline-flex;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:4px}
.abt button{all:unset;cursor:pointer;padding:10px 18px;border-radius:10px;font-weight:700;font-size:14px;color:var(--mute);transition:all .2s;display:flex;gap:8px;align-items:center}
.abt button[aria-pressed=true]{background:#fff;color:#000}
.abt button[aria-pressed=true].m{background:var(--red);color:#fff}
.switch{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;color:#d6d6dc;cursor:pointer;user-select:none}
.switch input{display:none}
.switch i{width:38px;height:22px;border-radius:22px;background:var(--line2);position:relative;transition:background .2s}
.switch i:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .2s var(--ease)}
.switch input:checked+i{background:var(--red)}
.switch input:checked+i:after{transform:translateX(16px)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.stat{padding:12px 14px;border-radius:14px;background:var(--bg2);border:1px solid var(--line)}
.stat small{display:block;color:var(--dim);font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.stat b{font-family:var(--display);font-size:20px;font-weight:600;font-variant-numeric:tabular-nums}
.stat span{color:var(--mute);font-size:12.5px;display:block}
/* release card */
.release{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:26px;align-items:center;padding:26px;border-radius:24px;background:radial-gradient(80% 120% at 0% 0%,rgba(229,25,31,.14),transparent 60%),linear-gradient(180deg,#151519,#0d0d10);border:1px solid var(--line2);box-shadow:0 40px 120px -40px rgba(0,0,0,.9);position:relative;overflow:hidden}
.cover{position:relative;aspect-ratio:1;border-radius:18px;overflow:hidden;box-shadow:0 30px 70px -20px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.06)}
.cover img{width:100%;height:100%;object-fit:cover;display:block}
.cover .stamp{position:absolute;left:14px;bottom:12px;font-size:11px;font-weight:800;letter-spacing:.2em;color:rgba(255,255,255,.85);text-shadow:0 2px 10px rgba(0,0,0,.6)}
.cover .stamp b{color:var(--red2)}
.cover.empty{display:grid;place-items:center;background:linear-gradient(135deg,#1d1d22,#0e0e11);color:var(--dim);font-size:14px}
.rel h2{font-family:var(--display);font-size:clamp(28px,4.4vw,44px);line-height:1.05;letter-spacing:-.03em;margin:6px 0 4px}
.rel .artist{color:#d6d6dc;font-size:18px;font-weight:500;margin:0 0 16px}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 18px}
.pill{font-size:12.5px;font-weight:600;padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line2);color:#d6d6dc}
.pill.red{background:rgba(229,25,31,.14);border-color:rgba(229,25,31,.4);color:#ffb3b5}
.dls{display:flex;gap:10px;flex-wrap:wrap}
details.used{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
details.used summary{cursor:pointer;color:var(--mute);font-size:13.5px;font-weight:600;list-style:none}
details.used summary::-webkit-details-marker{display:none}
details.used pre{white-space:pre-wrap;font:13.5px/1.55 Inter,system-ui,sans-serif;color:#cfcfd6;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:14px;margin:10px 0 0;max-height:280px;overflow:auto}
.toast{position:fixed;left:50%;bottom:96px;transform:translate(-50%,20px);opacity:0;z-index:50;background:#fff;color:#000;padding:12px 18px;border-radius:12px;font-weight:600;font-size:14px;transition:all .3s var(--ease);pointer-events:none;max-width:90vw;text-align:center;box-shadow:0 20px 50px -10px rgba(0,0,0,.7)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast.err{background:#2a0c0d;color:#ffd5d6;border:1px solid #5a1a1d}
footer{position:relative;z-index:1;text-align:center;color:var(--dim);font-size:12.5px;padding:0 18px 120px;max-width:760px;margin:0 auto}
footer a{color:var(--mute)}
.hide{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (max-width:820px){
 .pgrid,.cropwrap,.release{grid-template-columns:1fr}
 .promptbox{position:static}
 .presets{grid-template-columns:1fr 1fr}
 .release{padding:18px;gap:18px}
 .cropbox{max-width:none}
}
@media (max-width:560px){
 main{padding:18px 14px 140px}
 .card{padding:18px;border-radius:16px}
 .grid2{grid-template-columns:1fr}
 .presets{grid-template-columns:1fr}
 .preset{min-height:0}
 .stepper{gap:6px;top:53px}
 .stp span{font-size:11px}
 .stp b{display:none}
 .brand .tag{display:none}
 .stats{grid-template-columns:1fr 1fr 1fr;gap:6px}
 .stat{padding:10px}.stat b{font-size:16px}
 .time{min-width:0;font-size:11.5px}
 .navin .status{display:none}
 .btn{padding:13px 18px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media (max-width:560px){.tpl{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;margin:0 -4px}.tplc{flex:0 0 62%;scroll-snap-align:start;box-sizing:border-box}}