/* Web-Image Lab: original interface, independent of ImageJ.JS and CheerpJ. */
.wi-wrap{padding-bottom:50px}
.wi-breadcrumb{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 18px;font-size:13px;color:var(--muted)}
.wi-breadcrumb a{color:var(--blue)}
.wi-hero{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:26px 0 20px}
.wi-hero>div{max-width:850px}
.wi-hero h1{font-size:clamp(36px,5vw,54px);letter-spacing:-.03em;line-height:1.2;margin:9px 0 6px;color:var(--ink)}
.wi-sub{font-size:17px;color:var(--blue);font-weight:650;line-height:1.6;margin:0 0 12px}
.wi-lead{font-size:14px;line-height:1.85;color:#405b70;margin:0}
.wi-external{flex:none;max-width:270px;padding:13px 17px;border:1px solid #c4d4e2;border-radius:10px;background:#fff;color:var(--blue);font-size:13px;font-weight:750;text-decoration:none;line-height:1.6;text-align:center}
.wi-notice{border:1px solid #d7e3eb;background:#f6f9fc;border-left:4px solid #64839b;border-radius:12px;padding:14px 18px;display:flex;gap:14px;font-size:13px;line-height:1.85;color:#415a6b;margin-bottom:24px}
.wi-notice strong{color:var(--ink);white-space:nowrap}
.wi-grid{display:grid;grid-template-columns:minmax(295px,375px) minmax(0,1fr);align-items:start;gap:18px}
.wi-panel{border:1px solid var(--line);border-radius:15px;background:white;padding:24px;min-width:0;box-shadow:0 5px 17px rgba(19,45,68,.035)}
.wi-panel h2{font-size:19px;line-height:1.45;color:var(--ink);margin:0 0 16px}
.wi-controls h2:not(:first-child){border-top:1px solid var(--line);padding-top:23px;margin-top:25px}
.wi-index{color:var(--blue);font-size:13px;margin-right:7px;font-weight:800;vertical-align:middle}
.wi-label{display:block;font-size:13px;color:#304d65;font-weight:650;margin:15px 0 7px;line-height:1.7}
.wi-input,.wi-file{display:block;width:100%;max-width:100%;padding:10px 11px;border:1px solid #bed0de;border-radius:8px;background:white;color:var(--ink);font-family:inherit;font-size:14px;min-height:42px}
.wi-file{padding:10px}
.wi-range{display:block;width:100%;margin:13px 0;accent-color:var(--blue)}
.wi-inline{display:flex;align-items:center;gap:9px}
.wi-inline input{width:17px;height:17px;accent-color:var(--blue)}
.wi-help{font-size:12px;line-height:1.75;color:#607487;margin:10px 0 13px}
.wi-row-buttons,.wi-downloads{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.wi-controls button,.wi-viewer button{cursor:pointer;font-family:inherit;font-size:13px;font-weight:650;padding:11px 13px;border-radius:8px;line-height:1.3;border:1px solid #b8cad9}
.wi-controls button:focus-visible,.wi-viewer button:focus-visible,.wi-external:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.wi-controls button:disabled,.wi-viewer button:disabled{opacity:.45;cursor:not-allowed}
.wi-secondary{color:var(--blue);background:white}
.wi-primary{color:white;background:var(--blue);border-color:var(--blue)!important;display:block;width:100%;margin-top:17px;min-height:44px}
.wi-mode-group{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}
.wi-mode-group button{padding:11px 6px;font-size:12px}
.wi-mode-group button.active{color:white;background:var(--blue);border-color:var(--blue)}
.wi-stats{border:1px solid #e3eaf0;background:#f8fafc;border-radius:10px;padding:12px 13px;font-variant-numeric:tabular-nums}
.wi-stats p{font-size:13px;line-height:1.8;color:#445d72;margin:0}
.wi-stats strong{color:var(--ink)}
.wi-result{padding:13px;background:#eff6fb;border-radius:9px;color:#244b69;font-size:14px;line-height:1.7;font-variant-numeric:tabular-nums;margin-top:13px}
.wi-view-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.wi-tag{display:inline-block;font-size:10px;letter-spacing:.08em;font-weight:800;color:#406b68;border:1px solid #bfd3cf;background:#f3fbf8;padding:5px 9px;border-radius:40px}
.wi-stage{width:100%;min-height:300px;border-radius:10px;position:relative;overflow:hidden;background:#f1f5f8;border:1px solid #dce4e8}
.wi-stage canvas#wi-image{width:100%;height:auto;display:block}
.wi-stage canvas#wi-overlay{position:absolute;inset:0;width:100%;height:100%;touch-action:none;cursor:crosshair}
.wi-stage canvas[hidden]{display:none!important}
.wi-placeholder{min-height:300px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px;color:#70859a}
.wi-placeholder span{font-size:46px;color:#91a7b9}
.wi-placeholder p{font-size:16px;margin:10px 0 5px;color:#456076}
.wi-placeholder small{font-size:12px}
.wi-legend{display:flex;flex-wrap:wrap;gap:14px;margin:13px 0 8px;font-size:12px;color:#536b7c}
.wi-dot{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:4px}
.wi-dot-blue{background:#2b61ab}.wi-dot-orange{background:#e8a050}.wi-dot-green{background:#3b9e8b}
.wi-hist{display:block;width:100%;height:120px;background:#fff;border:1px solid #edf1f4;border-radius:8px}
.wi-status{font-size:12px;color:#566e80;line-height:1.75;background:#f5f8fa;border-radius:8px;padding:10px 12px;margin-top:13px;overflow-wrap:anywhere}
.wi-downloads{margin:16px 0}
.wi-table-wrap{overflow:auto;max-height:320px}
.wi-table-wrap table{border-collapse:collapse;width:100%;min-width:410px;font-size:12px;font-variant-numeric:tabular-nums}
.wi-table-wrap caption{text-align:left;color:#5b7081;padding:9px 0;font-size:12px}
.wi-table-wrap th,.wi-table-wrap td{text-align:right;padding:10px;border-bottom:1px solid #e5ebef}
.wi-table-wrap th:first-child,.wi-table-wrap td:first-child{text-align:left}
.wi-table-wrap th{background:#f5f8fa;position:sticky;top:0;font-weight:700;color:var(--ink)}
.wi-refs{margin-top:22px}
.wi-refs p{font-size:14px;line-height:1.9;color:#4c6579;margin:0 0 11px}
.wi-refs a{color:var(--blue)}
.wi-foot{font-size:12px;color:var(--muted);margin:26px 0}
@media(max-width:990px){.wi-grid{grid-template-columns:1fr}.wi-hero{flex-direction:column;align-items:start}.wi-external{max-width:none}.wi-notice{flex-direction:column;gap:5px}}
@media(max-width:630px){.wi-panel{padding:17px}.wi-hero h1{font-size:35px}.wi-mode-group{grid-template-columns:1fr 1fr 1fr}.wi-stage,.wi-placeholder{min-height:230px}.wi-breadcrumb{line-height:1.8}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Keep the two canvas layers exactly aligned at every responsive width. */
.wi-stage.wi-has-image{min-height:0}
.wi-placeholder[hidden]{display:none!important}

/* v0.3 guided learning and in-memory measurement notebook */
.wi-guide{margin-bottom:20px}
.wi-guide-top,.wi-records-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.wi-guide-top h2,.wi-records-top h2{font-size:23px;margin:4px 0 8px}
.wi-guide-top h2 small{font-size:12px;color:var(--muted);font-weight:600;vertical-align:middle}
.wi-guide-top p:not(.eyebrow),.wi-records-top p:not(.eyebrow){color:#506c80;font-size:13px;line-height:1.8;margin:0}
.wi-guide-picker{flex:0 0 260px;color:var(--ink);font-size:13px;font-weight:700;line-height:1.8}
.wi-guide-picker select{margin-top:7px}
.wi-guide-instructions{border-top:1px solid var(--line);margin:18px 0 15px;padding-top:15px;color:#305371;font-size:14px;line-height:1.9}
.wi-guide-row{display:flex;gap:11px;flex-wrap:wrap;align-items:flex-end}
.wi-guide-row[hidden]{display:none}
.wi-guide-row label{flex:1 1 260px;max-width:390px;font-size:13px;color:var(--ink);line-height:1.7;font-weight:650}
.wi-guide-row .wi-input{margin-top:6px}
.wi-guide-row button,.wi-record-buttons button{font-size:13px;font-weight:700;line-height:1.5;padding:11px 15px;min-height:42px;cursor:pointer;border:1px solid #b8cad9;border-radius:8px}
.wi-guide-row button:disabled,.wi-record-buttons button:disabled{opacity:.48;cursor:not-allowed}
.wi-guide-row button:focus-visible,.wi-record-buttons button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.wi-guide-feedback{margin:15px 0 0;background:#f3f7fa;border:1px solid #e1e8ee;padding:13px 15px;border-radius:8px;color:#486376;font-size:13px;line-height:1.8}
.wi-records{margin-top:22px}
.wi-record-buttons{display:flex;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px}
.wi-review-label{display:flex;align-items:flex-start;gap:10px;margin:18px 0 12px;font-size:13px;color:#35536a;line-height:1.8}
.wi-review-label input{flex:none;width:18px;height:18px;accent-color:var(--blue);margin-top:3px}
.wi-record-table{max-height:340px}
.wi-record-table table{min-width:540px}
.wi-record-table td:not(:first-child),.wi-record-table th:not(:first-child){text-align:left}
.wi-record-table td:first-child,.wi-record-table th:first-child{min-width:48px}
@media(max-width:900px){.wi-guide-top,.wi-records-top{flex-direction:column;align-items:stretch}.wi-guide-picker{flex:0 1 auto;max-width:440px}.wi-record-buttons{justify-content:flex-start}}
@media(max-width:560px){.wi-guide-row{flex-direction:column;align-items:stretch}.wi-guide-row label{flex:auto;max-width:none}.wi-guide-row button,.wi-record-buttons button{width:100%}.wi-record-buttons{flex-direction:column;align-items:stretch}}