[hidden]{display:none!important}
:root{
  --bg:#f5f4f1; --card:#fff; --ink:#151515; --muted:#6b6b6b; --line:#e7e4de;
  --accent:#da1b2b; --accent-soft:#fdecee; --dark:#151515;
  --r:16px; --r-s:10px; --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:15px/1.5 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
.muted{color:var(--muted)} .small{font-size:.8rem} .center{text-align:center}
.row{display:flex;align-items:center;flex-wrap:wrap} .gap-s{gap:12px} .end{justify-content:flex-end}

.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:12px 24px;background:rgba(245,244,241,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand-mark{font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand-mark span{color:var(--accent);margin-left:2px}
.topbar-right{display:flex;gap:10px;align-items:center}
.mode-pill{font-size:.75rem;font-weight:600;padding:5px 10px;border-radius:99px;background:#eee;color:#555}
.mode-pill.ai{background:#e5f6ec;color:#11703a}
.mode-pill.demo{background:#fff3d6;color:#8a5a00}

.layout{max-width:1400px;margin:0 auto;padding:24px;display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:24px;align-items:start}
@media(max-width:1080px){.layout{grid-template-columns:1fr;padding:16px}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:16px}
details.card>summary{list-style:none;display:flex;gap:14px;align-items:center;padding:18px 22px;cursor:pointer}
details.card>summary::-webkit-details-marker{display:none}
.num{flex:none;width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem}
summary h2{font-size:1.05rem;font-weight:700;letter-spacing:-.01em}
summary p{font-size:.85rem;color:var(--muted)}
.card-body{padding:0 22px 22px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:700px){.grid-2,.grid-3{grid-template-columns:1fr}}
.field{margin-bottom:16px}
.field>label{display:block;font-size:.8rem;font-weight:600;margin-bottom:6px}
input[type=text],input[type=password],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--r-s);background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(0,0,0,.06)}
textarea{resize:vertical;margin-top:10px}
input[type=range]{width:100%;accent-color:var(--ink)}
output{font-weight:500;color:var(--muted);margin-left:6px}

.drop{position:relative;border:1.5px dashed #d6d2ca;border-radius:var(--r-s);min-height:96px;display:grid;place-items:center;text-align:center;padding:12px;background:#faf9f7;color:var(--muted);font-size:.85rem;transition:border-color .15s,background .15s}
.drop.tall{min-height:190px}
.drop:hover,.drop.over{border-color:var(--ink);background:#f3f1ed}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.drop img{max-width:100%;max-height:160px;object-fit:contain;pointer-events:none}
.link{background:none;border:0;color:var(--muted);text-decoration:underline;font-size:.8rem;cursor:pointer;margin-top:6px}
.soon{font-size:.72rem;padding:3px 8px;border-radius:99px;background:#eef1ff;color:#3b4bb3;margin-top:6px}

.colors{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.color{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:.72rem;color:var(--muted);cursor:pointer}
.color input{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;padding:0;background:none;cursor:pointer}
.color input::-webkit-color-swatch-wrapper{padding:3px}
.color input::-webkit-color-swatch{border:0;border-radius:9px}

.scenes{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}
.scene{border:1px solid var(--line);background:#fff;border-radius:var(--r-s);padding:8px 10px;text-align:left;font-size:.82rem;cursor:pointer;display:flex;gap:8px;align-items:center;transition:border-color .15s,background .15s}
.scene:hover{border-color:#bbb}
.scene.on{border-color:var(--ink);background:#f4f2ee;font-weight:600}
.scene i{font-style:normal;font-size:1rem}
.check{display:flex!important;gap:8px;align-items:center;font-weight:500!important;font-size:.85rem!important;margin-top:10px;cursor:pointer}

.seg{display:flex;border:1px solid var(--line);border-radius:var(--r-s);overflow:hidden}
.seg button{flex:1;border:0;background:#fff;padding:9px 6px;font-size:.8rem;cursor:pointer;border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--ink);color:#fff;font-weight:600}

.formats{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px}
.fmt{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:var(--r-s);padding:10px 12px;cursor:pointer;font-size:.82rem}
.fmt input{accent-color:var(--ink)}
.fmt b{display:block;font-weight:600}
.fmt small{color:var(--muted)}
.fmt .shape{flex:none;border:1.5px solid #999;border-radius:3px}

.preview .sticky{position:sticky;top:76px;padding:20px}
.preview-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:12px}
.preview-head h3{font-size:1rem}
.variants{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.variant{border:2px solid transparent;border-radius:12px;overflow:hidden;cursor:pointer;padding:0;background:#eee;aspect-ratio:1}
.variant img{width:100%;height:100%;object-fit:cover;display:block}
.variant.on{border-color:var(--accent)}
.main-preview{position:relative;border-radius:12px;overflow:hidden;background:#ebe8e2;aspect-ratio:1}
.main-preview canvas{width:100%;height:100%;display:block}
.empty{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:30px;color:var(--muted);font-size:.9rem;background:#ebe8e2}
.busy{position:absolute;inset:0;background:rgba(20,20,20,.65);display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.9rem;backdrop-filter:blur(3px)}
.spinner{width:36px;height:36px;border:3px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0 8px}
.btn{border:1px solid transparent;border-radius:99px;padding:12px 16px;font-weight:700;font-size:.88rem;cursor:pointer;transition:transform .1s,opacity .15s,background .15s}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover:not(:disabled){background:#bd1323}
.btn.dark{background:var(--ink);color:#fff}
.btn.ghost{background:#fff;border-color:var(--line)}
.btn.small{padding:6px 12px;font-size:.8rem}
.btn.wide{width:100%;margin-top:12px}

.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}
.thumb{border:1px solid var(--line);border-radius:10px;padding:6px;background:#faf9f7;cursor:pointer;display:flex;flex-direction:column;gap:4px;align-items:center;transition:border-color .15s}
.thumb:hover{border-color:var(--ink)}
.thumb .frame{width:100%;height:84px;display:grid;place-items:center}
.thumb canvas{max-width:100%;max-height:84px;border-radius:4px;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.thumb span{font-size:.68rem;color:var(--muted);text-align:center;line-height:1.2}

dialog{margin:auto;border:0;border-radius:var(--r);padding:0;box-shadow:0 20px 60px rgba(0,0,0,.25);max-width:440px;width:92vw}
dialog::backdrop{background:rgba(0,0,0,.35)}
.dlg{padding:24px}
.dlg h3{margin-bottom:16px}
.info{font-size:.78rem;color:var(--muted);background:#faf9f7;border-radius:var(--r-s);padding:10px 12px;margin-bottom:14px;line-height:1.5}

#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:99px;font-size:.85rem;font-weight:600;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:50;max-width:90vw}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:#b3121f}

.tpls{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
@media(max-width:700px){.tpls{grid-template-columns:repeat(2,1fr)}}
.tpl{border:1px solid var(--line);background:#fff;border-radius:var(--r-s);padding:0;cursor:pointer;overflow:hidden;text-align:left;transition:border-color .15s,box-shadow .15s}
.tpl canvas{display:block;width:100%;aspect-ratio:1;background:#eee}
.tpl span{display:block;padding:8px 10px 2px;font-size:.82rem;font-weight:700}
.tpl small{display:block;padding:0 10px 9px;font-size:.7rem;color:var(--muted)}
.tpl.on{border-color:var(--ink);box-shadow:0 0 0 2px var(--ink)}
.dlg a{color:var(--ink)}