.stamp-app{--bg:#f6f7fb;--surface:#fff;--surface-2:#f8f9fb;--border:#e1e3f0;--border-strong:#cfd4dd;--text:#23273b;--muted:#656b8a;--accent:#5340c6;--accent-ink:#fff;--accent-weak:#f3f2fd;--danger:#c8102e;--date:#d0202a;--ok:#1c7a3a;--radius:10px;--shadow:0 1px 2px #1018280f, 0 1px 3px #10182814;--page-shadow:0 2px 10px #1018281f;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:16px;font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.stamp-app *,.stamp-app :before,.stamp-app :after{box-sizing:border-box}.stamp-app button,.stamp-app input,.stamp-app select{font:inherit;color:inherit}.stamp-app h2,.stamp-app h3{margin:0}.stamp-app .topbar{border-radius:16px 16px 0 0}.stamp-app .muted{color:var(--muted)}.stamp-app .small{font-size:12.5px}.stamp-app .center{text-align:center}.stamp-app .app{flex-direction:column;display:flex}.stamp-app .topbar{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:16px;padding:10px 20px;display:flex}.stamp-app .brand{color:var(--accent);align-items:center;gap:8px;font-size:17px;font-weight:700;display:flex}.stamp-app .brand span:first-of-type{color:var(--text)}.stamp-app .badge{background:var(--accent-weak);color:var(--accent);border-radius:99px;padding:2px 7px;font-size:11px;font-weight:600}.stamp-app .tabs{gap:4px;margin:0 auto;display:flex}.stamp-app .tabs button{cursor:pointer;color:var(--muted);background:0 0;border:0;border-radius:8px;padding:8px 14px;font-weight:600}.stamp-app .tabs button.on{background:var(--accent-weak);color:var(--accent)}.stamp-app .plan{align-items:center;gap:10px;display:flex}.stamp-app .usage{color:var(--muted);font-size:12px}.stamp-app .stamp-main{flex:1;width:100%;max-width:1320px;margin:0 auto;padding:20px}.stamp-app .foot{text-align:center;color:var(--muted);padding:16px 20px 24px;font-size:12px}.stamp-app .loading{text-align:center;color:var(--muted);padding:80px}.stamp-app .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.stamp-app .btn{border:1px solid var(--border-strong);background:var(--surface);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:8px 14px;font-weight:600;display:inline-flex}.stamp-app .btn:hover:not(:disabled){border-color:var(--accent)}.stamp-app .btn:disabled{opacity:.5;cursor:not-allowed}.stamp-app .btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.stamp-app .btn.primary:hover:not(:disabled){filter:brightness(1.08)}.stamp-app .btn.ghost{background:0 0}.stamp-app .btn.tiny{border-radius:6px;padding:4px 9px;font-size:12px}.stamp-app .btn.big{padding:11px 18px}.stamp-app .btn.wide{width:100%}.stamp-app .btn.danger{color:var(--danger)}.stamp-app .btn.accent-outline{border-color:var(--accent);color:var(--accent);background:0 0}.stamp-app .lock{background:var(--accent-weak);color:var(--accent);border-radius:99px;padding:1px 6px;font-size:10px}.stamp-app .row{align-items:center;display:flex}.stamp-app .row.gap{gap:10px}.stamp-app .row.wrap{flex-wrap:wrap}.stamp-app .row.end{justify-content:flex-end;gap:8px}.stamp-app .alert{background:color-mix(in srgb, var(--danger) 10%, transparent);color:var(--danger);border-radius:8px;margin-top:10px;padding:9px 12px;font-size:13px}.stamp-app input:not([type]),.stamp-app input[type=text],.stamp-app input[type=date],.stamp-app select{border:1px solid var(--border-strong);background:var(--surface);border-radius:8px;width:100%;padding:8px 10px}.stamp-app input:focus-visible,.stamp-app select:focus-visible,.stamp-app button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.stamp-app input.stacked{margin-bottom:6px}.stamp-app input[type=range]{width:100%;accent-color:var(--accent)}.stamp-app .seg{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;gap:2px;padding:2px;display:inline-flex}.stamp-app .seg button{cursor:pointer;color:var(--muted);background:0 0;border:0;border-radius:6px;padding:5px 10px;font-size:13px;font-weight:600}.stamp-app .seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.stamp-app .seg.small button{padding:4px 9px;font-size:12px}.stamp-app .toggle{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:13px;display:inline-flex}.stamp-app .toggle input{opacity:0;pointer-events:none;position:absolute}.stamp-app .toggle .track{background:var(--border-strong);border-radius:99px;flex:none;width:32px;height:18px;transition:background .15s;position:relative}.stamp-app .toggle .track:after{content:"";background:#fff;border-radius:50%;width:14px;height:14px;transition:transform .15s;position:absolute;top:2px;left:2px}.stamp-app .toggle input:checked+.track{background:var(--accent)}.stamp-app .toggle input:checked+.track:after{transform:translate(14px)}.stamp-app .toggle input:focus-visible+.track{outline:2px solid var(--accent);outline-offset:2px}.stamp-app .designer{grid-template-columns:minmax(340px,400px) 1fr;align-items:start;gap:20px;display:grid}.stamp-app .controls{flex-direction:column;gap:12px;display:flex}.stamp-app .section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px}.stamp-app .section-head{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.stamp-app .section h3{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:13px}.stamp-app .field{flex-direction:column;gap:4px;margin-bottom:10px;display:flex}.stamp-app .field-label{font-size:12.5px;font-weight:600}.stamp-app .hint{color:var(--muted);font-size:12px}.stamp-app .slider-top{justify-content:space-between;display:flex}.stamp-app .slider .value{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.stamp-app .grid2{grid-template-columns:1fr 1fr;gap:4px 14px;display:grid}.stamp-app .presets{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.stamp-app .preset{border:1px solid var(--border);cursor:pointer;color:#333;background:#fff;border-radius:8px;flex-direction:column;align-items:center;gap:4px;padding:8px 4px 6px;display:flex}.stamp-app .preset:hover{border-color:var(--accent)}.stamp-app .preset-art{justify-content:center;align-items:center;width:100%;height:58px;display:flex}.stamp-app .preset-art svg{width:auto;max-width:100%;height:auto;max-height:58px}.stamp-app .preset-name{font-size:11.5px;font-weight:600}.stamp-app .shapes{grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:12px;display:grid}.stamp-app .shape{border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--muted);border-radius:8px;flex-direction:column;align-items:center;gap:2px;padding:8px 4px;font-size:12px;display:flex}.stamp-app .shape.on{border-color:var(--accent);background:var(--accent-weak);color:var(--accent)}.stamp-app .swatches{flex-wrap:wrap;gap:8px;display:flex}.stamp-app .swatch{border:2px solid var(--surface);width:28px;height:28px;box-shadow:0 0 0 1px var(--border-strong);cursor:pointer;border-radius:50%;padding:0}.stamp-app .swatch.on{box-shadow:0 0 0 2px var(--text)}.stamp-app .swatch.custom{background:conic-gradient(red,#ff0,#0f0,#0ff,#00f,#f0f,red);position:relative;overflow:hidden}.stamp-app .swatch.custom input{opacity:0;cursor:pointer;width:100%;height:100%}.stamp-app .logo-row{align-items:center;gap:8px;margin-bottom:8px;display:flex}.stamp-app .logo-thumb{object-fit:contain;border:1px solid var(--border);background:#fff;border-radius:6px;width:48px;height:48px}.stamp-app .preview-pane{flex-direction:column;gap:12px;display:flex;position:sticky;top:74px}.stamp-app .preview-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.stamp-app .stage{border-radius:var(--radius);border:1px solid var(--border);justify-content:center;align-items:center;min-height:420px;padding:28px;display:flex;overflow:auto}.stamp-app .stage.paper{background:#fdfcf8 linear-gradient(#0000 31px,#00000009 32px) 0 0/100% 32px}.stamp-app .stage.checker{background:#fff repeating-conic-gradient(#eceef2 0 25%, #fff 0 50%) 0 0 / 20px 20px}.stamp-app .stamp-preview{mix-blend-mode:multiply;width:min(100%,440px)}.stamp-app .stamp-preview svg{width:100%;height:auto;display:block}.stamp-app .export{flex-direction:column;gap:12px;padding:14px;display:flex}.stamp-app .export-row{flex-wrap:wrap;align-items:flex-end;gap:10px;display:flex}.stamp-app .export-row .field{flex:160px;margin:0}.stamp-app .auth{background:var(--surface-2);border:1px dashed var(--border-strong);cursor:pointer;border-radius:8px;align-items:flex-start;gap:8px;padding:9px 11px;font-size:13px;display:flex}.stamp-app .auth.ok{border-style:solid;border-color:color-mix(in srgb, var(--ok) 45%, transparent)}.stamp-app .auth input{accent-color:var(--accent);margin-top:2px}.stamp-app .stamper-empty{grid-template-columns:1fr 220px;align-items:start;gap:20px;display:grid}.stamp-app .dropzone{border:2px dashed var(--border-strong);background:var(--surface);text-align:center;color:var(--muted);border-radius:14px;flex-direction:column;align-items:center;gap:10px;padding:60px 20px;display:flex}.stamp-app .dropzone h2{color:var(--text)}.stamp-app .dropzone.over{border-color:var(--accent);background:var(--accent-weak)}.stamp-app .current-stamp{flex-direction:column;align-items:center;gap:8px;padding:14px;display:flex}.stamp-app .mini{background:#fff;border-radius:8px;width:150px;padding:6px}.stamp-app .mini svg{width:100%;height:auto;display:block}.stamp-app .mini.sm{border:1px solid var(--border);width:52px;padding:2px}.stamp-app .stamper{flex-direction:column;gap:12px;display:flex}.stamp-app .stamper-bar{z-index:10;grid-template-columns:auto 1fr auto;align-items:center;gap:12px 20px;padding:12px 14px;display:grid;position:sticky;top:58px}.stamp-app .stamper-bar .file{flex-direction:column;align-items:flex-start;gap:2px;min-width:0;max-width:220px;display:flex}.stamp-app .stamper-bar .file strong{text-overflow:ellipsis;white-space:nowrap;max-width:100%;overflow:hidden}.stamp-app .stamper-bar .add{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.stamp-app .stamper-bar .finish{flex-direction:column;align-items:stretch;gap:6px;max-width:260px;display:flex}.stamp-app .stamper-bar .alert{grid-column:1/-1;margin:0}.stamp-app .inline{align-items:center;gap:6px;display:flex}.stamp-app .inline select{width:auto}.stamp-app .item-bar{border-top:1px solid var(--border);flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:8px;padding-top:10px;display:flex}.stamp-app .auth.compact{padding:6px 9px;font-size:12.5px}.stamp-app .tiny-note{text-align:center;font-size:11.5px}.stamp-app .pages{flex-direction:column;align-items:center;gap:18px;padding:6px 0 40px;display:flex}.stamp-app .page-wrap{flex-direction:column;gap:4px;display:flex}.stamp-app .page-num{color:var(--muted);font-size:12px}.stamp-app .page-wrap.target .page-num{color:var(--accent);font-weight:600}.stamp-app .page{box-shadow:var(--page-shadow);touch-action:none;background:#fff;position:relative;overflow:hidden}.stamp-app .page canvas{display:block}.stamp-app .placed{cursor:move;touch-action:none;-webkit-user-select:none;user-select:none;position:absolute}.stamp-app .placed img{pointer-events:none;mix-blend-mode:multiply;width:100%;height:100%;display:block}.stamp-app .placed.sel{outline:1.5px dashed var(--accent);outline-offset:2px}.stamp-app .handle{background:#fff;border:2px solid #2446b8;border-radius:50%;width:14px;height:14px;position:absolute}.stamp-app .handle.resize{cursor:nwse-resize;border-radius:3px;bottom:-9px;right:-9px}.stamp-app .handle.rotate{cursor:grab;margin-left:-7px;top:-30px;left:50%}.stamp-app .handle.rotate:after{content:"";background:#2446b8;width:2px;height:14px;position:absolute;top:12px;left:4px}.stamp-app .modal-back{z-index:50;background:#0a0c1473;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.stamp-app .modal{background:var(--surface);border-radius:14px;width:100%;max-width:440px;padding:22px;box-shadow:0 20px 50px #00000040}.stamp-app .modal h2{margin-bottom:8px;font-size:18px}.stamp-app .modal p{color:var(--muted);margin:0 0 18px}@media (max-width:980px){.stamp-app .designer{grid-template-columns:1fr}.stamp-app .preview-pane{order:-1;position:static}.stamp-app .stage{min-height:280px}.stamp-app .stamper-bar{grid-template-columns:1fr;position:static}.stamp-app .stamper-bar .finish{max-width:none}}@media (max-width:640px){.stamp-app .stamp-main{padding:12px 16px}.stamp-app .topbar{gap:8px;padding:8px 16px}.stamp-app .tabs{order:3;width:100%;margin:0}.stamp-app .tabs button{flex:1}.stamp-app .plan{margin-left:auto}.stamp-app .usage{display:none}.stamp-app .stamper-empty,.stamp-app .grid2{grid-template-columns:1fr}.stamp-app .hide-sm{display:none}}.stamp-app .preset-group+.preset-group{margin-top:12px}.stamp-app .preset-group-label{color:var(--muted);margin-bottom:6px;font-size:12px;font-weight:600;display:block}