:root{color-scheme:dark;font-family:Inter,Microsoft YaHei,PingFang SC,system-ui,sans-serif;background:#0f1117;color:#eef1f7;--panel: #171a22;--panel-2: #202530;--line: #303746;--muted: #9aa4b5;--accent: #d6ad67;--accent-2: #6fb7d8;--danger: #ec7777}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,textarea,select{font:inherit}button{border:1px solid var(--line);background:#242a35;color:#eef1f7;border-radius:8px;min-height:36px;padding:0 12px;cursor:pointer}button:hover{border-color:var(--accent)}button:disabled{opacity:.55;cursor:not-allowed}input,textarea,select{width:100%;border:1px solid var(--line);background:#10141c;color:#eef1f7;border-radius:8px;padding:10px 12px}textarea{resize:vertical;line-height:1.5}h1,h2,p{margin:0}h1{font-size:26px;letter-spacing:0}h2{font-size:15px;letter-spacing:0}.muted,.status{color:var(--muted)}.eyebrow{color:var(--accent);font-size:12px;font-weight:700;text-transform:uppercase}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,rgba(111,183,216,.18),transparent 30%),#0f1117}.login-panel{width:min(430px,100%);display:grid;gap:18px;padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.app-shell{min-height:100vh;padding:18px;display:grid;gap:18px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.pill{min-height:36px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid rgba(214,173,103,.4);border-radius:999px;color:#f6d99f}.workspace{display:grid;grid-template-columns:minmax(280px,360px) minmax(360px,1fr) minmax(280px,340px);gap:18px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px;display:grid;gap:14px}.field{display:grid;gap:7px;color:#d9dfeb;font-size:13px}.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.size-row{display:flex;flex-wrap:wrap;gap:8px}.size-row button{min-height:32px;font-size:12px}.prompt-tools{display:flex;flex-wrap:wrap;gap:8px}.prompt-tools button{min-height:32px;font-size:12px}.check-field{display:flex;align-items:center;gap:10px;min-height:42px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:#10141c;color:#d9dfeb;font-size:13px}.check-field input{width:16px;min-height:16px;padding:0}.stage{display:grid;gap:12px;min-width:0}.result-frame{min-height:560px;display:grid;place-items:center;background:#0b0e14;border:1px solid var(--line);border-radius:8px;overflow:hidden}.result-frame img{max-width:100%;max-height:76vh;display:block}.empty{color:var(--muted)}.generate-row{display:grid;grid-template-columns:180px 1fr;align-items:center;gap:14px}.primary{background:linear-gradient(135deg,#d6ad67,#6fb7d8);border:0;color:#10141c;font-weight:800}.segmented{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.segmented button.active{background:var(--accent);color:#11151c;border-color:var(--accent);font-weight:800}.reference-card{display:grid;gap:12px;padding:12px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px}.hint{color:var(--muted);font-size:12px;line-height:1.5}.thumb{width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;border:1px solid var(--line)}.ref-list{display:grid;gap:12px}.ref-item{display:grid;grid-template-columns:82px 1fr;gap:10px;padding:10px;background:#10141c;border:1px solid var(--line);border-radius:8px}.ref-item .thumb{width:82px;height:82px;aspect-ratio:auto}.ref-controls{display:grid;gap:9px;min-width:0}.ref-title{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px}.ref-title strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:#d9dfeb}.ref-title button{min-height:28px;padding:0 8px;color:var(--danger)}.slider-field>span{display:flex;justify-content:space-between;gap:10px;color:#d9dfeb}.slider-field b{font-variant-numeric:tabular-nums;color:var(--accent);font-size:12px}.slider-field input{padding:0;min-height:28px}.history{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px;display:grid;gap:12px}.history-head{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px}.history-head p{color:var(--muted);font-size:13px}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.tile{background:#10141c;border:1px solid var(--line);border-radius:8px;overflow:hidden}.tile img{width:100%;aspect-ratio:1;object-fit:cover;display:block}.tile div{padding:10px;display:grid;gap:8px}.tile strong{font-size:12px;color:var(--muted);font-weight:500}@media(max-width:1180px){.workspace{grid-template-columns:1fr}.result-frame{min-height:420px}}@media(max-width:720px){.app-shell{padding:10px}.topbar,.history-head,.generate-row{grid-template-columns:1fr;display:grid}.top-actions{justify-content:start}.grid.two{grid-template-columns:1fr}}