*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f3f4f6;color:#111827}.topbar{background:#101827;color:#fff;padding:16px max(18px,calc((100% - 1200px)/2));position:sticky;top:0;z-index:10}.version{font-size:12px;opacity:.6;margin-left:8px}.container{max-width:1200px;margin:auto;padding:20px 16px}.hero h1{margin:0 0 5px;font-size:clamp(27px,5vw,42px)}.hero p{color:#4b5563}.card{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:18px;margin:16px 0;box-shadow:0 6px 24px #0000000a}.hidden{display:none!important}.camera-wrap{position:relative;background:#070b12;border-radius:15px;overflow:hidden;min-height:390px;display:flex;align-items:center;justify-content:center}.camera-wrap video{display:block;width:100%;height:100%;min-height:390px;object-fit:contain;background:#070b12}.scan-guide{position:absolute;width:min(82%,62vh);aspect-ratio:210/297;left:50%;top:50%;transform:translate(-50%,-50%);border:3px dashed #fff9;border-radius:14px;pointer-events:none;display:flex;align-items:flex-end;justify-content:center;padding:15px}.scan-guide span{background:#101827e8;color:#fff;padding:8px 12px;border-radius:9px;text-align:center}.status{position:absolute;top:12px;left:12px;background:#101827e8;color:#fff;padding:8px 11px;border-radius:9px;font-size:13px;max-width:75%}.status[data-type=good]{background:#14532dcc}.status[data-type=error]{background:#991b1bcc}.auto-indicator{position:absolute;top:12px;right:12px;background:#101827e8;color:#fff;padding:8px 11px;border-radius:9px;font-size:12px}.controls,.result-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}button,.upload-btn{border:1px solid #d1d5db;background:#fff;border-radius:10px;padding:11px 14px;font-weight:700;cursor:pointer}.primary{background:#111827;color:#fff;border-color:#111827}.upload-btn input{display:none}.dropzone{margin-top:12px;border:2px dashed #d1d5db;border-radius:12px;padding:18px;text-align:center;color:#6b7280}.dropzone.drag{background:#f9fafb;border-color:#111827}.privacy,.muted{color:#6b7280;font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.form-grid label{font-size:13px;font-weight:700}.form-grid input{display:block;width:100%;margin-top:5px;padding:10px;border:1px solid #d1d5db;border-radius:9px;font:inherit}.section-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.summary-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;margin:14px 0}.summary-grid div{background:#f9fafb;border-radius:11px;padding:11px}.summary-grid small,.summary-grid strong{display:block}.summary-grid strong{font-size:20px;margin-top:3px}.review-note{padding:10px;border-radius:10px;background:#fff7ed;margin-bottom:14px}.ok-note{padding:10px;border-radius:10px;background:#f0fdf4;margin-bottom:14px}.result-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,1fr);gap:18px}.image-panel{background:#070b12;padding:7px;border-radius:12px}.image-panel canvas{width:100%;display:block}.answer-table-wrap{max-height:700px;overflow:auto;border:1px solid #e5e7eb;border-radius:11px}table{border-collapse:collapse;width:100%}th,td{padding:9px;border-bottom:1px solid #e5e7eb;text-align:left;font-size:14px}tr.review{background:#fff7ed}.answer-select{padding:6px;border:1px solid #d1d5db;border-radius:8px}.publish-box{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:16px;padding:12px;background:#f0fdf4;border-radius:11px}.publish-box input{flex:1;min-width:220px;padding:10px;border:1px solid #d1d5db;border-radius:8px}.notice{padding:10px;background:#f9fafb;border-radius:9px}.progress{height:8px;background:#e5e7eb;border-radius:99px;overflow:hidden;margin-top:10px}.progress span{display:block;height:100%;width:0;background:#111827;transition:width .2s}textarea{width:100%;min-height:90px;padding:10px;border:1px solid #d1d5db;border-radius:10px;font:inherit}pre{white-space:pre-wrap;max-height:520px;overflow:auto}footer{text-align:center;color:#6b7280;padding:28px 15px}@media(max-width:850px){.result-layout{grid-template-columns:1fr}.form-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.container{padding:12px}.card{padding:13px}.camera-wrap,.camera-wrap video{min-height:330px}.summary-grid{grid-template-columns:repeat(4,1fr)}.form-grid{grid-template-columns:1fr 1fr}button,.upload-btn{min-height:44px}}@media print{.topbar,.hero,.scanner-card,.student-card,#answerKeyCard,#debugCard,.result-actions,.publish-box,footer{display:none!important}.card{box-shadow:none;border:0}.result-layout{grid-template-columns:1fr 1fr}.answer-table-wrap{max-height:none;overflow:visible}.review-note{display:none}}
.key-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:16px;margin-top:12px}.key-grid label{display:block;font-weight:650}.key-grid textarea{margin-top:7px}.json-key-box{border:1px dashed #d1d5db;border-radius:12px;padding:14px}.json-key-box input{display:block;margin-top:8px;width:100%}.json-format{margin-top:12px;background:#f9fafb;border-radius:9px;padding:10px}.json-format pre{margin:6px 0;font-size:12px}.key-status{font-size:13px;color:#6b7280}.key-match{display:flex;gap:10px;align-items:center;margin-top:14px;padding:11px 13px;border-radius:10px;background:#f0fdf4;border:1px solid #bbf7d0}.key-match strong{white-space:nowrap}@media(max-width:700px){.key-grid{grid-template-columns:1fr}.key-match{display:block}.key-match strong{display:block;margin-bottom:4px}}
@media print{.topbar,.controls,.dropzone,.result-actions,#answerKeyCard,#debugCard,.hero,.processing-card{display:none!important}.card{box-shadow:none;border:0}.result-layout{grid-template-columns:1fr 1fr}.answer-table-wrap{max-height:none;overflow:visible}}
