:root{--bg:#0a0e13;--panel:#121924;--panel-2:#1a2330;--line:#263344;--ink:#eef4f7;--mute:#8da0b3;--accent:#17c3b2;--accent-2:#6ee7d8}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 500px at 50% -10%,rgba(23,195,178,.14),transparent 60%),var(--bg);color:var(--ink);font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;min-height:100vh}.shell{max-width:1080px;margin:0 auto;padding:40px 20px 80px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;display:block}.brand h1{font-size:22px;margin:0;letter-spacing:.3px}.brand .tag{color:var(--mute);font-size:13px;margin-top:2px}.hero{text-align:center;margin:44px 0 30px}.hero h2{font-size:clamp(26px,4.5vw,42px);margin:0 0 10px;line-height:1.12}.hero h2 em{color:var(--accent-2);font-style:normal}.hero p{color:var(--mute);margin:0 auto;max-width:560px;font-size:15px;line-height:1.55}.workbench{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px;margin-top:34px}@media (max-width:860px){.workbench{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}.panel h3{margin:0 0 14px;font-size:15px;letter-spacing:.4px;text-transform:uppercase;color:var(--mute)}.drop{border:1.5px dashed var(--line);border-radius:12px;min-height:210px;display:grid;place-items:center;cursor:pointer;text-align:center;color:var(--mute);font-size:14px;padding:14px;transition:border-color .15s;position:relative;overflow:hidden}.drop:hover{border-color:var(--accent)}.drop img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.drop .hint{position:relative;z-index:1;background:rgba(10,14,19,.65);padding:8px 12px;border-radius:8px}textarea{width:100%;min-height:92px;resize:vertical;border-radius:10px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink);padding:12px;font:inherit;font-size:14px}input:focus,textarea:focus{outline:1.5px solid var(--accent)}.pills{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 2px}.pill{border:1px solid var(--line);background:var(--panel-2);color:var(--mute);border-radius:999px;padding:7px 14px;font-size:13px;cursor:pointer}.pill.active{border-color:var(--accent);color:var(--ink);background:rgba(23,195,178,.12)}.pill small{display:block;font-size:10px;opacity:.75}.row{display:flex;gap:10px;align-items:center;margin-top:14px;flex-wrap:wrap}.code-input{flex:1 1;min-width:160px;border-radius:10px;background:var(--panel-2);border:1px solid var(--line);color:var(--ink);padding:10px 12px;font:inherit;font-size:13px}.generate{border:0;border-radius:12px;padding:13px 22px;font-weight:700;font-size:15px;background:linear-gradient(135deg,var(--accent),#2f7fe0);color:#fff;cursor:pointer;width:100%;margin-top:16px;transition:filter .15s}.generate:hover{filter:brightness(1.1)}.generate:disabled{filter:grayscale(.6) brightness(.7);cursor:not-allowed}.quota{color:var(--mute);font-size:12.5px;margin-top:10px;text-align:center}.error{background:rgba(224,64,64,.12);border:1px solid rgba(224,64,64,.4);color:#ffb8b8;border-radius:10px;padding:10px 12px;font-size:13.5px;margin-top:12px}.result-frame{border-radius:12px;overflow:hidden;border:1px solid var(--line);min-height:300px;display:grid;place-items:center;background:var(--panel-2);color:var(--mute);font-size:14px}.result-frame img{width:100%;height:auto;display:block}.spin{width:34px;height:34px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.result-actions{display:flex;gap:10px;margin-top:12px}.ghost{flex:1 1;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:10px;padding:10px;font-size:13.5px;cursor:pointer;text-align:center;text-decoration:none}.ghost:hover{border-color:var(--accent)}.history{margin-top:16px;display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px}.history img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:8px;border:1px solid var(--line);cursor:pointer}.steps{margin:60px 0 0;display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}@media (max-width:860px){.steps{grid-template-columns:1fr}}.step{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}.step b{color:var(--accent-2);font-size:13px}.step p{font-size:13.5px;line-height:1.5;margin:6px 0 0}.step p,footer{color:var(--mute)}footer{margin-top:60px;text-align:center;font-size:12.5px}