:root { --bg:#f5f6f8; --card:#fff; --line:#e3e5ea; --text:#1d1f24; --muted:#6b7280; --accent:#ff6a00; --ok:#16a34a; --err:#dc2626; }
* { box-sizing:border-box; }
body { margin:0; font:15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background:var(--bg); color:var(--text); }
header { display:flex; justify-content:space-between; align-items:center; padding:12px 24px; background:#111318; color:#fff; }
.brand { color:#fff; text-decoration:none; font-weight:700; } .brand span { color:var(--accent); }
nav a, nav button { color:#cfd3da; margin-left:16px; background:none; border:0; cursor:pointer; font:inherit; text-decoration:none; }
main { max-width:1100px; margin:0 auto; padding:24px; }
h1 { font-size:22px; margin:0 0 16px; } h2 { font-size:17px; margin:0 0 12px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:10px; padding:18px; margin-bottom:16px; }
.row { display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:14px; }
label { display:block; font-size:13px; color:var(--muted); margin:10px 0 4px; }
input, select, textarea { width:100%; padding:8px 10px; border:1px solid var(--line); border-radius:6px; font:inherit; background:#fff; }
textarea { min-height:90px; resize:vertical; }
button { padding:8px 14px; border:1px solid var(--line); border-radius:6px; background:#fff; cursor:pointer; font:inherit; }
button.primary { background:var(--accent); color:#fff; border-color:var(--accent); }
button:disabled { opacity:.5; cursor:default; }
.muted { color:var(--muted); font-size:13px; }
.err { color:var(--err); font-size:13px; white-space:pre-wrap; }
.badge { display:inline-block; padding:2px 8px; border-radius:999px; font-size:12px; background:#eef0f4; }
.badge.ready, .badge.done, .badge.draft { background:#e6f7ec; color:var(--ok); }
.badge.analyzing, .badge.writing, .badge.generating { background:#fff3e6; color:#c2410c; }
.badge.failed { background:#fde8e8; color:var(--err); }
.thumbs img { height:72px; border-radius:6px; border:1px solid var(--line); margin-right:6px; }
.thumbs img.var { outline:2px solid var(--accent); }
pre { background:#0f1115; color:#e6e8ee; padding:12px; border-radius:8px; font-size:12px; overflow:auto; max-height:420px; white-space:pre-wrap; }
.md h3 { font-size:15px; margin:14px 0 6px; } .md ul { padding-left:20px; margin:4px 0; } .md blockquote { border-left:3px solid var(--accent); margin:8px 0; padding:4px 12px; color:#374151; }
.md table { border-collapse:collapse; } .md td, .md th { border:1px solid var(--line); padding:4px 8px; }
.prompt { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.prompt img { max-width:100%; border-radius:8px; border:1px solid var(--line); }
@media (max-width:800px) { .prompt { grid-template-columns:1fr; } }
details summary { cursor:pointer; color:var(--muted); font-size:13px; }
.spin { display:inline-block; width:14px; height:14px; border:2px solid #ccc; border-top-color:var(--accent); border-radius:50%; animation:s 1s linear infinite; vertical-align:middle; }
@keyframes s { to { transform:rotate(360deg); } }