:root{color-scheme:light;--bg:#f3f6fa;--panel:#fff;--text:#20324a;--muted:#66768b;--line:#dce4ef;--blue:#185ac5;--soft:#eaf1fc}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}header{padding:18px 4%;background:var(--panel);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.brand{font-size:19px;font-weight:700;color:var(--text);text-decoration:none}.brand span{font-size:13px;color:var(--muted);font-weight:400;margin-left:12px}.toolbar,.title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.environment{background:#eaf0f8;color:#546883;padding:9px 4%;font-size:12px}main{max-width:1200px;padding:30px 25px;margin:auto}h1{font-size:28px;line-height:1.35;margin:12px 0 20px}h2{font-size:19px;margin:0 0 14px}h3{font-size:15px}p{margin:8px 0}.eyebrow{font-size:12px;letter-spacing:1px;color:var(--blue)}.muted,small{color:var(--muted);font-size:13px}.panel{background:var(--panel);padding:24px;border:1px solid var(--line);border-radius:12px;margin:18px 0}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid.three{grid-template-columns:repeat(3,1fr)}.grid>.panel{margin:0}.intro{padding:10px 0 20px}.login{max-width:550px;margin:40px auto}.case-link{display:flex;justify-content:space-between;align-items:center;text-decoration:none;color:var(--text);gap:15px}.badge{background:var(--soft);color:var(--blue);border-radius:20px;padding:4px 12px;font-size:12px}.steps{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 25px}.steps a{background:var(--panel);padding:9px 14px;border-radius:6px}.hash{font-size:12px;color:var(--muted);word-break:break-all}.file-sheets{display:flex;gap:10px;flex-wrap:wrap}a{color:var(--blue)}button,.button{font:inherit;display:inline-block;padding:9px 14px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:7px;text-decoration:none;cursor:pointer}button:hover,.button:hover{background:var(--soft)}button.primary{background:var(--blue);color:#fff;border-color:var(--blue)}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #86b8ff;outline-offset:2px}label{display:block;margin:12px 0}input,select,textarea{display:block;width:100%;font:inherit;color:var(--text);background:#fff;border:1px solid #c9d4e3;border-radius:6px;padding:9px;margin-top:5px}input[type=checkbox]{display:inline-block;width:auto;margin:0 7px 0 0;accent-color:var(--blue)}.check{display:flex;align-items:center;gap:5px}.inline{display:inline-block}.notice{padding:14px;background:var(--soft);border-radius:6px;margin:14px 0}.warning{background:#fff3db;color:#80570e}.success{background:#e6f5ee;color:#1b674c}.metrics{display:flex;gap:35px;flex-wrap:wrap;margin:20px 0}.metrics span{display:block;color:var(--muted)}.metrics strong{display:block;font-size:23px;font-variant-numeric:tabular-nums}table{width:100%;border-collapse:collapse}th,td{padding:10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;font-weight:500;color:var(--muted);background:#f7f9fc}td{font-size:13px}.table-wrap{overflow-x:auto;max-width:100%}.sheet{max-height:520px}.sheet td{min-width:110px;max-width:300px;overflow-wrap:anywhere}.sheet th{white-space:nowrap}.bold{font-weight:700}.marked{background:#fff2cf}.sheet small{display:block}.question{padding:12px 0;border-top:1px solid var(--line)}details{margin:15px 0}summary{cursor:pointer;color:var(--blue)}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f7fb;padding:12px;border-radius:6px;font-size:12px}.audit{border-bottom:1px solid var(--line);padding:10px 0}.model{min-width:0;padding:12px;background:#f7f9fc;border-radius:8px}footer{max-width:1200px;margin:auto;padding:25px;color:var(--muted);font-size:12px}hr{border:0;border-top:1px solid var(--line);margin:22px 0}@media(max-width:700px){main{padding:20px 14px}.grid,.grid.three{grid-template-columns:1fr}.panel{padding:17px}h1{font-size:23px}.brand span{display:block;margin:0}.case-link{align-items:flex-start}.metrics{gap:18px}button,.button{min-height:44px}input,select,textarea{font-size:16px}}
/* Customer flow: short choices on the actual sheet. Expert controls stay internal. */
.guide-heading{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}.guide-heading h1{margin:12px 0 5px}.guide-progress{display:flex;gap:6px;flex-wrap:wrap;margin:22px 0 16px}.guide-progress button{font-size:13px;background:transparent}.guide-progress button[aria-current=step]{background:var(--blue);color:#fff;border-color:var(--blue)}.guide-progress .done{color:#206b4d}.guide-progress .needs-help{color:#8c6018}.guide-workspace{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}.guide-table-panel{background:#fff;border:1px solid var(--line);border-radius:12px;min-width:0;overflow:hidden}.guide-table-toolbar{padding:15px;display:flex;justify-content:space-between;gap:8px;align-items:center;flex-wrap:wrap}.guide-sheet{max-height:480px}.guide-sheet table{width:100%}.guide-sheet th,.guide-sheet td{padding:0;border:1px solid #e0e6ee;min-width:105px}.guide-sheet th{position:sticky;top:0;z-index:1;background:#eef2f7}.guide-sheet .row-index{min-width:45px;width:45px;position:sticky;left:0;z-index:2}.guide-sheet thead .row-index{z-index:3}.guide-sheet button{border:0;border-radius:0;display:block;width:100%;min-height:45px;background:transparent;padding:10px 8px;text-align:left;font-size:14px}.guide-sheet th button{text-align:center}.guide-sheet button small{display:block;font-size:11px;white-space:normal}.guide-sheet .cell-hit{min-width:105px;max-width:320px;overflow-wrap:anywhere}.guide-sheet .suspected-total{background:#fff6dc}.guide-sheet .excluded-row td{background:#f2f3f6;color:#7a8391}.guide-sheet .excluded-row td span{text-decoration:line-through}.guide-sheet .selected-column,.guide-sheet .selected-row td{background:#dfebff}.guide-sheet .selected-cell{outline:3px solid var(--blue);outline-offset:-3px;background:#dfeaff}.guide-pager{padding:12px;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}.guide-pager button{padding:5px 9px;font-size:12px}.guide-legend{display:flex;gap:12px;flex-wrap:wrap;padding:0 15px 15px;font-size:12px;color:var(--muted)}.guide-question{background:white;border:1px solid var(--line);border-radius:12px;padding:22px;position:sticky;top:12px}.guide-question h2{font-size:21px;line-height:1.5;margin:9px 0}.guide-question>p{color:var(--muted)}.guide-question h3{font-size:16px;margin:14px 0}.selected-answer{padding:15px;background:#eaf1ff;border-radius:8px;color:#174790;font-weight:600;margin:18px 0 12px;overflow-wrap:anywhere}.choice-stack{display:grid;gap:10px;margin-top:18px}.choice-stack button{text-align:left;min-height:48px;padding:12px}.guide-actions{margin:18px 0 12px}.guide-actions button{width:100%;min-height:47px}.help-choice{width:100%;border:0;color:#6a7590;background:transparent;text-decoration:underline}.brand-choices{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.brand-choices [aria-pressed=true]{background:var(--soft);border-color:var(--blue);color:var(--blue)}#guide-feedback{font-size:13px;color:#805a19;margin-top:12px;min-height:0}.guide-bottom{display:flex;gap:12px;justify-content:space-between;align-items:center;flex-wrap:wrap;margin-top:18px}.plain-summary{padding-left:19px}.plain-summary li{margin:12px 0}.choice-question{margin:20px 0}.choice-radio{display:flex;align-items:center;gap:10px;padding:13px 15px;border:1px solid var(--line);border-radius:8px;background:white;max-width:760px}.choice-radio:has(input:checked){background:var(--soft);border-color:var(--blue)}.choice-radio input[type=radio]{width:auto;display:inline-block;margin:0;accent-color:var(--blue);flex-shrink:0}.simple-question{font-size:19px}.compact-source{font-size:12px;color:var(--muted)}@media(max-width:900px){.guide-workspace{grid-template-columns:minmax(0,1fr) 290px}.guide-question{padding:16px}}@media(max-width:700px){.guide-workspace{display:flex;flex-direction:column}.guide-question{order:0;position:static;width:100%}.guide-table-panel{order:1;width:100%}.guide-question h2{font-size:19px}.guide-sheet{max-height:340px}.guide-progress button{padding:7px;font-size:12px}.guide-bottom .muted{order:3;width:100%}}
/* Recognition-first review, three short judgments. */
.question-back{padding:5px 0;border:0;color:var(--blue);margin-bottom:16px;background:transparent}.judgment-summary{font-size:15px;background:#f3f6fc;padding:14px;border-radius:10px;margin:16px 0}.judgment-summary p{margin:0 0 12px}.judgment-summary p:last-child{margin-bottom:0}.guide-actions{display:grid;gap:10px}.recognition-source{font-size:12px;color:var(--muted);margin-top:14px}#correction-dialog{width:min(520px,90vw);border:1px solid var(--line);border-radius:16px;padding:26px;color:var(--text);box-shadow:0 20px 80px #18365b33}#correction-dialog::backdrop{background:#15263c66}#correction-dialog [hidden]{display:none}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

.question-back{color:#873f43;background:#f5e8e8;border:1px solid #dabbbc;border-radius:7px;padding:7px 12px;font-weight:600}
.question-back:hover{background:#eedcdc;color:#743237}
.question-back:focus-visible{outline:2px solid #a56166;outline-offset:3px}

.back-level{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border:1px solid #b9cddd;border-radius:8px;background:#edf3f8;color:#46667d;text-decoration:none;font-size:13px;font-weight:500;white-space:nowrap}.back-level:hover{background:#e1ecf4;border-color:#96b2c7}.back-level:focus-visible{outline:2px solid #6b93b0;outline-offset:3px}