:root{color-scheme:dark;--bg:#080a0f;--panel:#11141b;--line:#282d38;--text:#f5f2eb;--muted:#999faa;--accent:#d8ff4f;--danger:#ff8b8b}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 65% -10%,#262838 0,transparent 35%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;min-height:100vh}.grain{position:fixed;inset:0;opacity:.045;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E")}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.auth-card{width:min(430px,100%);background:rgba(17,20,27,.92);border:1px solid var(--line);border-radius:22px;padding:36px;box-shadow:0 30px 90px #0009}.brand{display:flex;align-items:center;gap:12px}.brand>span{width:38px;height:38px;border:1px solid #4f5665;border-radius:12px;display:grid;place-items:center;color:var(--accent)}.brand div{display:grid}.brand b{letter-spacing:.18em;font-size:13px}.brand small{color:var(--muted);letter-spacing:.2em;font-size:9px}.kicker{color:var(--accent);letter-spacing:.17em;font-weight:700;font-size:10px;margin:34px 0 8px}.auth-card h1,.controls h1{font:500 34px/1.05 Georgia,serif;margin:0 0 12px}.auth-card>p:not(.kicker):not(.message){color:var(--muted);line-height:1.6;margin:0 0 24px}label{display:grid;gap:8px;color:#c5c8d0;font-size:12px;font-weight:650;margin:15px 0}input,textarea,select{width:100%;background:#0b0d12;border:1px solid var(--line);border-radius:11px;color:var(--text);padding:12px 13px;outline:none;font:inherit;resize:vertical}input:focus,textarea:focus,select:focus{border-color:#778225;box-shadow:0 0 0 3px #d8ff4f12}.primary,.download{border:0;border-radius:11px;background:var(--accent);color:#11150a;font-weight:800;padding:13px 18px;cursor:pointer;text-align:center;text-decoration:none}.auth-card .primary{width:100%;margin-top:10px}.primary:disabled{opacity:.45;cursor:wait}.message{min-height:18px;color:var(--danger);font-size:12px;line-height:1.5}header{height:72px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:#0a0c11dc;backdrop-filter:blur(20px);position:sticky;top:0;z-index:4}.engine{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:12px}.engine i{width:7px;height:7px;background:var(--accent);border-radius:50%;box-shadow:0 0 12px var(--accent)}.ghost{color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:9px;padding:9px 14px;cursor:pointer}.studio-grid{display:grid;grid-template-columns:330px minmax(430px,1fr) 280px;min-height:calc(100vh - 72px)}.panel{padding:26px;background:#0c0f15;border-right:1px solid var(--line)}.panel.history{border-right:0;border-left:1px solid var(--line)}.controls h1{font-size:29px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}.upload input{display:none}.upload span{padding:12px;border:1px dashed #4a5060;border-radius:10px;text-align:center;color:var(--muted);cursor:pointer}.check{display:flex;align-items:flex-start;gap:9px;margin:11px 0}.check input{width:15px;margin:1px 0;accent-color:var(--accent)}.policy{font-size:10px;color:#7f8591;line-height:1.5}.controls>.primary{width:100%;margin-top:8px}.canvas-wrap{padding:34px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px}.canvas{width:min(100%,760px);aspect-ratio:1/1;background:linear-gradient(145deg,#141924,#0b0d12);border:1px solid #343947;border-radius:16px;display:grid;place-items:center;position:relative;overflow:hidden;box-shadow:0 30px 80px #0008}.canvas.ratio-4-5{aspect-ratio:4/5;max-height:calc(100vh - 155px);width:auto}.canvas.ratio-16-9{aspect-ratio:16/9}.canvas img{width:100%;height:100%;object-fit:contain}.empty{text-align:center;color:var(--muted);padding:30px}.empty span{color:var(--accent);font-size:34px}.empty h2{color:var(--text);font:500 25px Georgia,serif}.working{position:absolute;inset:0;background:#080a0fdd;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}.working small{color:var(--muted)}.spinner{width:30px;height:30px;border:2px solid #3c414d;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.download{padding:10px 16px}.history h2{font:500 23px Georgia,serif;margin:0 0 20px}.history-list{display:grid;gap:12px}.history-item{display:grid;grid-template-columns:58px 1fr;gap:11px;align-items:center;border:1px solid var(--line);background:#0b0d12;border-radius:11px;padding:8px;cursor:pointer}.history-item img{width:58px;height:58px;object-fit:cover;border-radius:7px}.history-item b{display:block;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item small,.muted{color:var(--muted);font-size:10px}@media(max-width:1050px){.studio-grid{grid-template-columns:310px 1fr}.history{display:none}}@media(max-width:760px){header{padding:0 16px}.engine{display:none}.studio-grid{display:block}.panel{border:0;border-bottom:1px solid var(--line)}.canvas-wrap{padding:18px}.canvas{width:100%}.two-col{grid-template-columns:1fr 1fr}}