*{box-sizing:border-box} :root{
  --bg:#f5f7fb;--card:#fff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;
  --primary:#111827;--soft:#eef2ff;--danger:#dc2626;--radius:20px
}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
body{min-height:100vh}.topbar{height:74px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:13px;background:#111827;color:white;display:grid;place-items:center;font-weight:800;font-size:22px}.brand h1{font-size:17px;margin:0}.brand p{font-size:11px;color:var(--muted);margin:2px 0 0}.status{font-size:12px;color:#166534;background:#ecfdf5;padding:8px 11px;border-radius:999px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#22c55e;margin-right:6px}
.shell{width:min(980px,100%);margin:0 auto;padding:28px 18px 80px}.view{display:none}.view.active{display:block}.hero{padding:26px 4px 20px}.hero h2{font-size:clamp(28px,4vw,48px);max-width:700px;line-height:1.06;margin:8px 0 12px;letter-spacing:-1.4px}.hero p{color:var(--muted);font-size:16px}.eyebrow{font-size:11px;letter-spacing:1.5px;font-weight:800;color:#4f46e5}
.tool-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.tool-card{border:1px solid var(--line);background:var(--card);border-radius:var(--radius);padding:22px;text-align:left;display:flex;gap:17px;align-items:center;cursor:pointer;min-height:112px;transition:.2s}.tool-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(17,24,39,.08)}.tool-card.wide{grid-column:1/-1}.tool-icon{font-size:30px}.tool-card b{font-size:17px;display:block}.tool-card small{color:var(--muted);display:block;margin-top:5px}.privacy{margin-top:18px;background:#eefbf3;border:1px solid #d1fae5;border-radius:16px;padding:14px 16px;display:flex;gap:10px;flex-wrap:wrap;font-size:13px}.privacy span{color:#4b5563}
.view-head{display:flex;gap:12px;align-items:center;margin-bottom:20px}.view-head h2{margin:0;font-size:27px}.view-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.back{border:0;background:white;width:42px;height:42px;border-radius:12px;font-size:21px;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.drop-zone{border:2px dashed #cbd5e1;background:#fff;min-height:170px;border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;cursor:pointer;margin-bottom:18px}.drop-zone>span{font-size:32px}.drop-zone small{color:var(--muted)}
.btn{border:0;border-radius:13px;padding:13px 18px;font-weight:700;cursor:pointer;font-size:14px}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:#fff;border:1px solid var(--line)}.btn.ghost{background:#eef2f7;color:#111827}.btn.full{width:100%;margin-top:18px;padding:15px}.actions.row{display:flex;gap:9px;flex-wrap:wrap;margin:14px 0 18px}.link{border:0;background:none;cursor:pointer}.danger{color:var(--danger)}
.camera-wrap{position:relative;background:#0b0d12;border-radius:22px;overflow:hidden;aspect-ratio:4/3}.camera-wrap video{width:100%;height:100%;object-fit:cover}.camera-empty{position:absolute;inset:0;color:#d1d5db;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:#111827}.camera-empty span{font-size:38px}.camera-empty small{color:#9ca3af}.camera-guide{position:absolute;inset:10%;border:2px solid rgba(255,255,255,.75);border-radius:12px;pointer-events:none}.hidden{display:none!important}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:17px}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.panel-title b,.panel-title small{display:block}.panel-title small{color:var(--muted);margin-top:3px}
.thumb-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.thumb-card{position:relative;background:#f3f4f6;border-radius:12px;overflow:hidden;aspect-ratio:3/4}.thumb-card img{width:100%;height:100%;object-fit:cover}.thumb-card button{position:absolute;top:7px;right:7px;width:29px;height:29px;border:0;border-radius:9px;background:rgba(17,24,39,.82);color:#fff;cursor:pointer}
.stack-list{display:flex;flex-direction:column;gap:10px}.list-row{background:#fff;border:1px solid var(--line);border-radius:15px;padding:11px;display:flex;align-items:center;gap:12px}.list-row img{width:58px;height:58px;border-radius:9px;object-fit:cover}.file-icon{width:46px;height:46px;border-radius:12px;background:#eef2ff;display:grid;place-items:center;font-size:21px}.list-info{min-width:0;flex:1}.list-info b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.list-info small{color:var(--muted)}.mini-actions{display:flex;gap:6px}.mini-actions button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:7px 9px;cursor:pointer}
.empty-state{color:#9ca3af;text-align:center;padding:28px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}.form-card label{font-weight:700;display:block;margin-bottom:8px}.form-card small{color:var(--muted);display:block;margin-top:8px}.text-input{width:100%;padding:13px;border-radius:11px;border:1px solid #cbd5e1;font-size:15px;outline:none}.text-input:focus{border-color:#111827}
.edit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.edit-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:9px}.edit-card canvas{width:100%;display:block;border-radius:10px;background:#f3f4f6}.edit-meta{display:flex;justify-content:space-between;align-items:center;padding:9px 2px 3px}.edit-buttons{display:flex;gap:5px;flex-wrap:wrap}.edit-buttons button{font-size:12px;padding:6px 8px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);opacity:0;background:#111827;color:white;padding:12px 16px;border-radius:12px;font-size:13px;pointer-events:none;transition:.2s;z-index:50}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:650px){
  .topbar{padding:0 14px;height:66px}.status{display:none}.shell{padding:18px 12px 70px}.hero{padding-top:14px}.hero h2{font-size:33px}
  .tool-grid{grid-template-columns:1fr}.tool-card.wide{grid-column:auto}.tool-card{min-height:92px;padding:17px}.thumb-grid{grid-template-columns:repeat(2,1fr)}.edit-grid{grid-template-columns:repeat(2,1fr)}
}

.brand-button{border:0;background:transparent;padding:0;cursor:pointer;color:inherit;text-align:left}
.back{width:auto!important;min-width:44px;padding:0 12px;display:flex;align-items:center;gap:7px;font-weight:700;color:#111827}
.back span{font-size:13px}
.floating-home{position:fixed;right:18px;bottom:20px;z-index:40;border:0;background:#111827;color:#fff;border-radius:999px;padding:12px 16px;font-weight:800;box-shadow:0 12px 30px rgba(17,24,39,.25);cursor:pointer}
@media(max-width:650px){.floating-home{right:12px;bottom:14px}.back span{display:inline}}