:root{--bg:#f4f6fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--primary:#4f46e5;--border:#e5e7eb}@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--card:#1e293b;--text:#f1f5f9;--muted:#94a3b8;--border:#334155}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Tahoma,Segoe UI,sans-serif}.app{max-width:1000px;margin:0 auto;padding:24px 16px 48px}header{text-align:center;margin-bottom:24px}header h1{margin:0 0 8px;font-size:1.6rem}header p{color:var(--muted);margin:0}main{grid-template-columns:1fr 340px;align-items:start;gap:20px;display:grid}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px}.controls h2{border-top:1px solid var(--border);margin:24px 0 12px;padding-top:16px;font-size:1rem}.controls h2:first-of-type{border-top:0;padding-top:0}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.label{color:var(--muted);font-size:.85rem}.text{border:1px solid var(--border);color:inherit;background:0 0;border-radius:10px;padding:10px 12px;font-size:1rem}.text:focus{outline:2px solid var(--primary)}.error{color:#dc2626}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);color:inherit;cursor:pointer;background:0 0;border-radius:999px;padding:6px 12px;font-family:inherit}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.row{flex-wrap:wrap;align-items:center;gap:24px;display:flex}.color{flex-direction:row;align-items:center;gap:10px}input[type=color]{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;width:44px;height:32px;padding:0}.check{cursor:pointer;align-items:center;gap:8px;margin-bottom:14px;display:flex}.link{color:var(--primary);cursor:pointer;background:0 0;border:0;align-self:flex-start;padding:0;font-family:inherit}.preview{text-align:center;flex-direction:column;align-items:center;gap:16px;display:flex;position:sticky;top:16px}.qr-box{background:repeating-conic-gradient(#e5e7eb 0 25%, #fff 0 50%) 0 0 / 16px 16px;border-radius:12px;padding:12px;transition:opacity .2s}.qr-box canvas{display:block}.preview small{color:var(--muted)}.primary{background:var(--primary);color:#fff;cursor:pointer;border:0;border-radius:10px;width:100%;padding:12px;font-family:inherit;font-size:1rem}.primary:disabled{opacity:.5;cursor:not-allowed}@media (width<=800px){main{grid-template-columns:1fr}.preview{order:-1;position:static}}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.tabs{gap:8px;display:flex}.center{text-align:center;color:var(--muted);padding:48px 16px}.auth{flex-direction:column;gap:12px;max-width:380px;margin:60px auto;display:flex}.auth h1{text-align:center;margin:0 0 8px;font-size:1.4rem}.msg{color:var(--primary)}.grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;display:grid}.item{align-items:flex-start;gap:16px;display:flex}.thumb{flex-shrink:0;width:110px;height:110px}.info{flex-direction:column;gap:6px;min-width:0;display:flex}.info small{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.actions{flex-wrap:wrap;gap:4px 14px;margin-top:4px;display:flex}.danger{color:#dc2626}.link:disabled{opacity:.4;cursor:not-allowed}.swatch{border:1px solid var(--border);border-radius:8px;flex-shrink:0;width:28px;height:28px}.color .text{min-width:150px}