:root{color:#282a20;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--olive-950:#22291d;--olive-900:#303927;--olive-800:#3b482d;--gold-300:#d7bd73;--gold-100:#f5edcf;--ink:#282a20;--muted:#74756b;--line:#dddacd;--paper:#fbfaf5;--error:#9f3d35;background:#f3f1e8;font-family:Inter,Noto Sans SC,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}body{background:#f3f1e8;min-width:320px;margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}.login-page{place-items:center;min-height:100vh;padding:28px;display:grid}.login-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;width:100%;max-width:430px;padding:34px;box-shadow:0 12px 34px #2c312314}.login-card>p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.7}.login-card form{gap:15px;margin-top:24px;display:grid}.login-card label{color:#555748;gap:7px;font-size:13px;display:grid}.login-card input{color:var(--ink);background:#fffef9;border:1px solid #cbc8b9;border-radius:4px;padding:10px}.login-card button,.authenticated-header button{color:#fffdf5;background:#4d533b;border:1px solid #3e442f;border-radius:4px;padding:10px 15px;font-weight:600}.login-status{color:var(--muted)}.research-app{grid-template-columns:236px minmax(0,1fr);min-height:100vh;display:grid}.research-sidebar{background:var(--olive-950);color:#c8cbbf;padding:30px 14px}.app-title{color:var(--gold-100);letter-spacing:.08em;margin:0 12px 28px;font-family:Georgia,Noto Serif SC,serif;font-size:18px}nav{gap:5px;display:grid}nav a{color:inherit;border-radius:5px;align-items:center;gap:12px;padding:11px 12px;font-size:14px;text-decoration:none;display:flex}nav a:hover{background:var(--olive-900);color:#fffdf5}nav a.active{color:var(--gold-300);box-shadow:inset 2px 0 0 var(--gold-300);background:#d7bd7329}nav svg{flex:0 0 18px}main{padding:28px clamp(20px,2.5vw,44px)}.authenticated-header{color:var(--muted);justify-content:flex-end;align-items:center;margin:-8px 0 18px;font-size:13px;display:flex}.authenticated-header button{margin-left:12px;padding:7px 10px;font-size:13px}.library-layout{grid-template-columns:minmax(0,1.5fr) minmax(280px,.8fr);align-items:start;gap:30px;max-width:1140px;margin:0 auto;display:grid}.document-list,.upload-panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 28px #2c31230d}.document-list{min-height:310px;padding:30px}.section-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:end;gap:16px;padding-bottom:21px;display:flex}.section-heading span{color:var(--muted);white-space:nowrap;font-size:13px}.eyebrow{color:#72725c;letter-spacing:.12em;margin:0 0 8px;font-size:12px}h1,h2{color:var(--ink);margin:0;font-family:Georgia,Noto Serif SC,serif;font-weight:600}h1{font-size:30px}h2{font-size:20px}.empty-state{color:var(--muted);margin:42px 0;line-height:1.75}.documents{margin:0;padding:0;list-style:none}.documents li{border-bottom:1px solid var(--line);justify-content:space-between;gap:16px;padding:17px 0;display:flex}.documents span{color:var(--muted);font-size:13px}.documents small{color:#77745e;font-size:12px}.delete-document{color:#8b342d;cursor:pointer;background:#fff7f5;border:1px solid #a9554d;border-radius:4px;padding:4px 9px}.upload-panel{padding:26px}.upload-panel>p{color:var(--muted);font-size:13px;line-height:1.6}.upload-panel form{gap:14px;margin-top:20px;display:grid}.upload-panel label{color:#555748;gap:7px;font-size:13px;display:grid}.upload-panel input{width:100%;color:var(--ink);background:#fffef9;border:1px solid #cbc8b9;border-radius:4px;padding:9px}.upload-panel input[type=file]{padding:7px}.upload-panel button{color:#fffdf5;background:#b69849;border:1px solid #a2863d;border-radius:4px;padding:10px 15px;font-weight:600}.selected-file,.upload-success,.job-status,.form-error{margin:0;font-size:13px}.selected-file{color:var(--muted)}.upload-success,.job-status.success{color:#47653c}.job-status{color:#5a5a4d;margin-top:11px}.form-error,.job-status.error{color:var(--error)}.search-workbench{max-width:none;margin:0}.search-form{grid-template-columns:1fr auto;gap:9px 12px;max-width:none;margin-top:16px;display:grid}.search-form label{color:#555748;grid-column:1/-1;font-size:13px}.search-form input,.ocr-editor input,.ocr-editor textarea{width:100%;min-width:0;color:var(--ink);font:inherit;background:#fffef9;border:1px solid #cbc8b9;border-radius:4px;padding:9px}.search-form button,.evidence-card button,.ocr-editor button,.viewer-heading button,.zoom-controls button{color:#fffdf5;background:#b69849;border:1px solid #a2863d;border-radius:4px;padding:9px 14px;font-weight:600}.search-tabs{gap:8px;margin-top:20px;display:flex}.search-tabs button{border:1px solid var(--line);color:var(--ink);background:#ece8d9;border-radius:4px;padding:8px 14px}.search-tabs button[aria-selected=true]{color:#fffdf5;background:#4d533b;border-color:#4d533b}.image-search-panel{background:var(--paper);border:1px solid var(--line);border-radius:8px;max-width:none;margin-top:16px;padding:16px;box-shadow:0 6px 18px #2c31230a}.image-search-note{color:var(--muted);font-size:13px;line-height:1.7}.image-search-form{gap:14px;margin-top:18px;display:grid}.image-search-form label{color:#555748;gap:7px;font-size:13px;display:grid}.image-search-form select,.image-search-form input{background:#fffef9;border:1px solid #cbc8b9;border-radius:4px;padding:9px}.image-search-form button{color:#fffdf5;background:#b69849;border:1px solid #a2863d;border-radius:4px;padding:10px 15px;font-weight:600}.image-search-preview{border:1px solid var(--line);object-fit:contain;background:#eeece3;max-width:100%;max-height:260px}.image-search-message{color:#47653c;background:#edf2e8;border-left:3px solid #718052;margin:16px 0 0;padding:10px 12px;line-height:1.6}.image-evidence-results{gap:14px;margin-top:18px;display:grid}.image-search-workspace,.text-search-workspace{grid-template-columns:minmax(330px,360px) minmax(0,1fr);align-items:start;gap:18px;margin-top:16px;display:grid}.image-search-left{min-width:0}.image-result-selector{gap:12px;display:grid}.image-result-selector>p{color:#555748;margin:0;font-size:13px}.image-result-selector .image-evidence-results,.text-evidence-results{max-height:calc(100vh - 340px);padding-right:4px;overflow-y:auto}.image-result-card{cursor:pointer;grid-template-columns:104px 1fr;transition:border-color .15s,background .15s}.image-result-card img{width:104px;height:132px}.image-result-card:hover,.image-result-card:focus,.image-result-card.selected{background:#f7f1dc;border-color:#b69849;outline:none}.image-context-fixed{min-width:0;position:sticky;top:20px}.image-context-fixed .page-viewer{margin-top:0}.image-context-empty{color:var(--muted);border:1px dashed #bdb8a5;min-height:520px;margin:0;padding:26px;line-height:1.7}.image-evidence-card{border:1px solid var(--line);background:#fffef9;grid-template-columns:150px 1fr;gap:16px;padding:14px;display:grid}.image-evidence-card img{object-fit:contain;width:150px;height:180px}.image-evidence-card h3,.image-evidence-card p,.image-evidence-card blockquote{margin:5px 0}.image-evidence-card blockquote{border-left:3px solid var(--gold-300);color:#4c4b40;padding-left:9px;font-size:13px;line-height:1.6}.image-evidence-card button{color:#fffdf5;background:#b69849;border:1px solid #a2863d;border-radius:4px;padding:7px 10px}.evidence-results{gap:14px;max-width:820px;margin-top:30px;display:grid}.evidence-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:20px;box-shadow:0 6px 18px #2c31230a}.evidence-card h3{color:var(--ink);margin:11px 0 3px;font-family:Georgia,Noto Serif SC,serif}.evidence-meta{color:var(--muted);align-items:center;gap:10px;font-size:12px;display:flex}.evidence-meta span:last-child{border-radius:999px;padding:3px 8px;font-weight:700}.verification-corrected{color:#315f2b;background:#e3f0df}.verification-ocr_high_confidence{color:#35576f;background:#e7edf1}.verification-low-confidence{color:#8a5700;background:#fff0cb;border:1px solid #d79a22}.page-citation{color:#655e46;margin:0;font-size:13px;font-weight:700}.evidence-card blockquote{border-left:3px solid var(--gold-300);color:#3e4036;margin:15px 0;padding-left:13px;line-height:1.7}.page-viewer{background:var(--paper);border:1px solid var(--line);border-radius:8px;margin-top:16px;padding:14px}.viewer-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding-bottom:15px;display:flex}.viewer-heading h1{font-size:19px}.viewer-grid{grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:14px;margin-top:14px;display:grid}.page-image-panel{text-align:center;background:#e7e2d4;min-height:620px;padding:8px;overflow:auto}.text-result-card{cursor:pointer;padding:12px}.text-result-card:hover,.text-result-card.selected{background:#f7f1dc;border-color:#b69849}.page-image-panel img{transform-origin:top;max-width:100%;margin:10px auto;transition:transform .15s;display:block}.zoom-controls{justify-content:end;gap:8px;display:flex}.zoom-controls button{padding:4px 10px}.viewer-review{align-content:start;gap:20px;display:grid}.ocr-editor,.revision-history{border-top:1px solid var(--line);padding-top:16px}.ocr-editor{gap:12px;display:grid}.ocr-editor>label{color:#555748;gap:6px;font-size:13px;display:grid}.ocr-text-columns{grid-template-columns:1fr 1fr;gap:12px;display:grid}.ocr-text-columns label{color:#555748;gap:6px;font-size:13px;display:grid}.ocr-text-columns textarea{resize:vertical;min-height:145px}.ocr-text-columns textarea[readonly]{color:#515148;background:#eeece3}.conflict-comparison{background:#fff3d9;border-left:3px solid #d79a22;gap:4px;padding:11px;display:grid}.conflict-comparison p{overflow-wrap:anywhere;margin:0 0 7px}.revision-history ol{gap:10px;margin:12px 0 0;padding:0;list-style:none;display:grid}.revision-history li{border-left:2px solid #c4b06b;gap:3px;padding-left:10px;display:grid}.revision-history li span,.revision-history li p{color:var(--muted);margin:0;font-size:13px}@media (width<=760px){.research-app{grid-template-columns:1fr}.research-sidebar{padding:16px}.app-title{margin-bottom:14px}nav{grid-template-columns:repeat(2,minmax(0,1fr))}nav a{padding:9px;font-size:12px}main{padding:24px 16px}.library-layout,.viewer-grid,.ocr-text-columns,.image-search-workspace,.text-search-workspace{grid-template-columns:1fr}.image-context-fixed{position:static}}