:root{
  --ink:#0B0F14; --muted:#6B7280; --line:#E6E9EF; --bg:#F6F8FB; --card:#fff;
  --teal:#13B9C7; --blue:#2E7BF0; --purple:#8A3FF0;
  --grad:linear-gradient(90deg,#13B9C7,#2E7BF0 50%,#8A3FF0);
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.muted{color:var(--muted)} .sm{font-size:13px} .mono{font-family:ui-monospace,Menlo,monospace}
button{cursor:pointer;font:inherit;border-radius:10px;border:1px solid var(--line);background:#fff;padding:9px 14px}
button:hover{border-color:#cfd6e2}
.primary{border:none;color:#fff;background:var(--grad)}
.primary:disabled{opacity:.5;cursor:not-allowed}
.ghost{background:#fff}
.ghost.sm,.primary.sm{padding:6px 10px;font-size:13px}

.top{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.brand{font-weight:700;display:flex;align-items:center;gap:10px}
.brand .mark{width:22px;height:22px;border-radius:7px;background:var(--grad);display:inline-block}
.brand .muted{font-weight:400}

.layout{display:grid;grid-template-columns:300px 1fr;gap:0;min-height:calc(100vh - 57px)}
.gallery{border-right:1px solid var(--line);background:#fff;padding:12px;overflow:auto;max-height:calc(100vh - 57px)}
.card-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:12px;border:1px solid transparent;cursor:pointer}
.card-item:hover{background:var(--bg)}
.card-item.active{border-color:var(--blue);background:#f0f6ff}
.swatch{width:38px;height:38px;border-radius:9px;flex:0 0 auto}
.swatch.dark{background:linear-gradient(135deg,#0b1020,#2E7BF0)}
.swatch.light{background:linear-gradient(135deg,#e9eef6,#cfe0fb)}
.swatch.teal{background:linear-gradient(135deg,#23ECDF,#3E8DF0)}
.card-item .t{font-weight:600;font-size:14px}
.card-item .s{font-size:12px;color:var(--muted)}

.editor{padding:22px;overflow:auto;max-height:calc(100vh - 57px)}
.empty{color:var(--muted);padding:60px;text-align:center}
.work{display:grid;grid-template-columns:1.3fr 1fr;gap:22px;align-items:start}
@media(max-width:1100px){.work{grid-template-columns:1fr}}

.frame{background:#0b0b0b;border-radius:14px;overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line)}
.frame iframe{width:100%;height:100%;border:0;display:block;background:#fff}
.scrub{display:flex;align-items:center;gap:12px;margin-top:12px}
.scrub input[type=range]{flex:1}

.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.panel h2{margin:0 0 14px;font-size:18px}
.lbl{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:14px 0 6px}
textarea,input[type=text],input[type=url],input[type=password],input[type=number]{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
input[type=number]{width:80px}
.ai{background:#f0f6ff;border:1px solid #d6e6ff;border-radius:12px;padding:14px;margin-bottom:8px}
.ai textarea{margin-bottom:10px}
#genBtn{width:100%}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:14px 0 6px}
.exports{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.row.btns{margin-top:12px}
#aiStatus,#exportStatus{margin-top:10px;min-height:18px}
.err{color:#c0392b}
.ok{color:#0E8C8A}

select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
.step{margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#fbfcfe}
.step .lbl{margin-top:0}
#lockNote.ok{color:#0E8C8A;font-weight:600}
.still-result{margin-top:12px}
.still-result img{width:100%;border-radius:10px;border:1px solid var(--line);display:block;background:#fff}
.still-result.stale{opacity:.55;position:relative}
.still-result.stale::after{content:"edited — create a new still";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.6);font-weight:600;color:var(--ink);border-radius:10px}
.still-result.approved img{border:2px solid #0E8C8A;box-shadow:0 0 0 3px rgba(14,140,138,.15)}

dialog{border:none;border-radius:16px;padding:0;max-width:460px;width:92%;box-shadow:0 30px 80px rgba(0,0,0,.25)}
dialog::backdrop{background:rgba(10,15,25,.45)}
.settings-form{padding:24px}
.settings-form h2{margin:0 0 8px}
.settings-form input{margin-bottom:4px}