:root{color-scheme:light;--ink:#17212f;--muted:#536176;--line:#dce3ec;--blue:#1660d1;--page:#f5f8fc}
*{box-sizing:border-box}
html{font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--page);line-height:1.5;-webkit-text-size-adjust:100%}
body{margin:0}button,input,select{font:inherit}button{cursor:pointer}a{color:#1259c7}
.shell{width:min(1220px,100%);margin:auto;padding-inline:18px}
.site-header{background:#fff;border-bottom:1px solid var(--line)}
.header-inner{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-size:18px;font-weight:750;text-decoration:none;color:var(--ink)}.header-note{font-size:13px;color:#32604b}
main{padding-bottom:56px}h1{font-size:clamp(28px,4vw,39px);line-height:1.15;letter-spacing:-.035em;margin:25px 0 6px}.intro{color:var(--muted);margin:0 0 17px;font-size:16px}
.tool{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 28px rgba(20,39,68,.06);overflow:hidden}
.upload-row{padding:18px 20px 14px;border-bottom:1px solid var(--line)}
.drop-zone{border:2px dashed #aabfe0;border-radius:11px;background:#f7faff;min-height:99px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1px;text-align:center;cursor:pointer;padding:14px}
.drop-zone strong{color:#1259c7;font-size:17px}.drop-zone span{color:var(--muted);font-size:14px}.drop-zone small{color:var(--muted);font-size:12px;margin-top:4px}.drop-zone.dragging{border-color:var(--blue);background:#eaf2ff}
.file-input{position:absolute;width:1px;height:1px;opacity:0;overflow:hidden}.upload-note{font-size:12px;color:var(--muted);margin:7px 0 0}
.workspace{display:grid;grid-template-columns:minmax(180px,235px) minmax(0,1fr) minmax(235px,275px);min-height:490px}
.queue-panel,.editor-panel,.settings-panel{padding:18px;min-width:0}.queue-panel{border-right:1px solid var(--line)}.editor-panel{border-right:1px solid var(--line)}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px}.panel-head .small-text{margin:0;text-align:right}h2{font-size:19px;letter-spacing:-.02em;margin:0 0 12px}.panel-head h2{margin-bottom:5px}
.small-text{font-size:12px;color:var(--muted);margin:7px 0}.text-button{border:0;background:none;color:#1259c7;padding:3px;text-decoration:underline}
.queue{list-style:none;margin:10px 0;padding:0;display:grid;gap:6px;max-height:410px;overflow:auto}
.queue li{min-width:0}.queue li button{width:100%;min-width:0;display:flex;align-items:center;gap:8px;text-align:left;padding:7px;background:#fff;border:1px solid var(--line);border-radius:9px;color:var(--ink)}.queue li button[aria-current=true]{border-color:#4587e5;background:#eef5ff}
.queue img{width:40px;height:40px;object-fit:cover;background:#f0f3f7;border-radius:5px;flex:none}.queue-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:650}
.stage-well{min-height:330px;background:#edf1f6;border-radius:10px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:10px}.stage-well>p{color:var(--muted);font-size:13px;text-align:center}
.stage{position:relative;touch-action:none;cursor:crosshair;user-select:none;flex:none;max-width:100%}.stage img{display:block;width:100%;height:100%;object-fit:fill;pointer-events:none;user-select:none}
.rect-outline{position:absolute;border:2px solid #fff;outline:1px solid #165ed0;box-shadow:0 0 0 9999px rgba(10,24,43,.27);pointer-events:none}.rect-outline.circle{border-radius:50%}.resize-handle{position:absolute;right:-7px;bottom:-7px;width:15px;height:15px;background:#fff;border:2px solid #165ed0;border-radius:3px}
.lasso-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.lasso-svg polygon{fill:rgba(22,96,209,.16);stroke:#fff;stroke-width:.6;vector-effect:non-scaling-stroke;paint-order:stroke;filter:drop-shadow(0 0 1px #165ed0)}
.field{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:700;margin-bottom:10px}.field input,.field select{height:38px;width:100%;min-width:0;border:1px solid #b9c6d7;border-radius:7px;background:#fff;color:var(--ink);padding:5px 8px}
.number-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 9px}.number-grid .field{margin-bottom:9px}
.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:41px;border-radius:8px;padding:8px 13px;font-weight:700;text-decoration:none;text-align:center}
.primary-button{border:1px solid var(--blue);background:var(--blue);color:#fff}.primary-button:hover:not(:disabled){background:#0c4ea8}.secondary-button{border:1px solid #a8bfdf;background:#eef5ff;color:#174982}.secondary-button:hover:not(:disabled){background:#dcecff}
button:disabled{opacity:.48;cursor:not-allowed}.settings-panel>.primary-button,.settings-panel>.secondary-button{width:100%}.output-field{margin-top:12px}.status{font-size:12px;color:#27516e;min-height:18px;margin:9px 0 0}.status.error{color:#aa2727}
.results{border-top:1px solid var(--line);padding:20px}.results-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.results-head h2{margin:0}.result-list{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:9px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.result-list li{border:1px solid var(--line);border-radius:9px;padding:10px;min-width:0}.result-list img{display:block;max-width:100%;height:130px;object-fit:contain;margin:0 auto 8px;background:#eef1f5}.result-list strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.result-list p{font-size:12px;color:var(--muted);margin:4px 0 8px}.result-list a{font-size:13px;font-weight:700}.result-list .error-text{color:#a02424}
.content-section{max-width:950px;margin:31px 0 0}.content-section h2{margin-bottom:7px}.content-section p{margin:0 0 12px;color:#374459}.faq details{background:#fff;border:1px solid var(--line);border-radius:9px;margin:7px 0;padding:0 14px}.faq summary{cursor:pointer;font-weight:650;padding:11px 0}.faq details p{padding:0 0 12px;margin:0}
.site-footer{background:#fff;border-top:1px solid var(--line);color:var(--muted);font-size:13px}.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-block:19px}.footer-inner nav{display:flex;gap:15px}
:is(a,button,input,select,summary,.drop-zone):focus-visible{outline:3px solid #8fb8ff;outline-offset:2px}
@media(max-width:1000px){.workspace{grid-template-columns:minmax(180px,220px) minmax(0,1fr)}.settings-panel{grid-column:1/-1;border-top:1px solid var(--line)}.editor-panel{border-right:0}.settings-panel .number-grid{max-width:430px}}
@media(max-width:650px){.shell{padding-inline:13px}.workspace{display:flex;flex-direction:column}.queue-panel,.editor-panel,.settings-panel{padding:15px;border-right:0}.queue-panel,.editor-panel{border-bottom:1px solid var(--line)}.queue{max-height:190px;grid-template-columns:1fr;overflow-x:hidden}.stage-well{min-height:240px}.results-head{align-items:stretch;flex-direction:column}.results-head .primary-button{width:100%}.result-list{grid-template-columns:1fr 1fr}.header-note{font-size:11px}}
@media(max-width:420px){.result-list{grid-template-columns:1fr}.result-list img{height:150px}.footer-inner nav{flex-wrap:wrap}}