:root{--ink:#203e39;--muted:#71807a;--green:#236851;--pale:#eef4ef;--line:#e2e8e0;--paper:#fff;--bg:#f7f8f3;--warm:#a47136}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);font-size:14px;line-height:1.65}button,input,textarea,select{font:inherit}button,a,input,textarea,select,summary{ -webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{text-decoration:none;color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #d3b965;outline-offset:3px}[hidden]{display:none!important}.topbar{height:91px;padding:0 max(5vw,24px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:#fcfdf9}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:650;letter-spacing:.4px}.brand 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solid var(--line);border-radius:18px;background:var(--paper);padding:28px;box-shadow:0 4px 24px #27443703}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}h2{font-size:18px;line-height:1.5;margin:0;font-weight:600}.subtle{font-size:12px;color:var(--muted)}.tabs{display:flex;gap:6px;background:#f0f3ee;padding:4px;border-radius:9px;margin-bottom:20px}.tabs button{flex:1;border:0;background:transparent;color:var(--muted);padding:9px;border-radius:6px}.tabs button.active{background:white;color:var(--ink);box-shadow:0 1px 5px #203e3910;font-weight:600}.dropzone{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:206px;border:1.5px dashed #bfcfc0;background:#fbfcf8;border-radius:12px;padding:22px;text-align:center;gap:7px;cursor:pointer}.dropzone:hover,.dropzone.dragover{background:#edf5ed;border-color:var(--green)}.dropzone:focus-within{outline:3px solid #d3b965}.dropzone input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.dropzone strong{font-size:15px;overflow-wrap:anywhere;max-width:100%}.dropzone span:last-of-type{font-size:11px;color:var(--muted)}.upload-icon{font-size:30px;line-height:43px;width:44px;height:44px;border-radius:12px;background:#eaf1e7;color:var(--green);margin-bottom:7px}.metadata{border-bottom:1px solid var(--line);padding:20px 0}.metadata summary{cursor:pointer;font-size:13px}.metadata summary span{font-size:11px;color:var(--muted);margin-left:8px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}label{font-size:12px;color:#546b62}input,select,textarea{width:100%;background:#fcfdfb;border:1px solid #dbe4db;border-radius:8px;padding:10px;color:var(--ink);outline:none}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #23685110}.fields input,.fields 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h2{font-size:21px;margin-bottom:24px}.feature{display:flex;gap:17px;margin:21px 0}.feature-number{font-size:11px;font-weight:600;color:#84977e;border:1px solid #d4dfcb;border-radius:50%;flex:0 0 28px;height:28px;display:grid;place-items:center}.feature h3{margin:0 0 5px;font-size:14px;font-weight:600}.feature p{font-size:12px;margin:0;color:#768473;line-height:1.8}.boundary{font-size:11px;color:#7c876e;border-top:1px solid #dce4d3;padding-top:17px;margin-top:23px}.history{padding:20px 26px}.history .section-title{margin-bottom:8px}.history h2{font-size:14px}.history-item{padding:11px 0;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center}.history-open{flex:1;text-align:left;min-width:0;border:0;background:transparent;color:var(--ink);padding:0}.history-open strong{font-size:12px;font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-open small{font-size:10px;color:var(--muted)}.history-delete{border:0;background:transparent;color:#91a198;font-size:17px;padding:7px}.result-panel{margin-top:28px;scroll-margin-top:24px}.downloads{display:flex;gap:8px;flex-wrap:wrap}.secondary{padding:9px 13px;border:1px solid #cfdbd0;border-radius:8px;background:#f9fbf7;font-size:12px;color:var(--green);display:inline-block}.progress-track{margin:10px 0}progress{width:100%;height:8px;accent-color:var(--green)}progress::-webkit-progress-bar{background:#edf2e9;border-radius:8px}progress::-webkit-progress-value{background:var(--green);border-radius:8px}#progress-message{font-size:13px;color:var(--muted)}.error{background:#fff1ed;border-radius:8px;padding:12px;color:#a74b3c;font-size:13px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:24px 0}.stat{background:#f4f7f0;border-radius:11px;padding:17px}.stat strong{display:block;font-size:28px;line-height:1.3;font-weight:600}.stat span{font-size:11px;color:var(--muted)}.report-tabs{border-bottom:1px solid var(--line);display:flex;gap:22px;margin:25px 0 18px}.report-tabs button{border:0;border-bottom:2px solid transparent;background:white;color:var(--muted);padding:10px 0;font-size:13px}.report-tabs .active{border-color:var(--green);color:var(--green)}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.7}th{text-align:left;background:#f4f7f0;color:#6b7e71;font-weight:500}th,td{padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:top}td:first-child{min-width:170px}.badge{display:inline-block;padding:3px 9px;background:#edf5ec;color:#527452;border-radius:5px;font-size:11px;white-space:nowrap}.badge.pending{background:#f6f0e5;color:#947339}.evidence-card{border:1px solid var(--line);border-radius:10px;padding:18px;margin:12px 0}.evidence-card h3{font-size:13px;margin:0 0 9px}.evidence-card blockquote{margin:12px 0;background:#f6f8f3;border-left:3px solid #b2c8aa;padding:12px;font-size:13px;white-space:pre-wrap}.evidence-card p{font-size:12px;color:#698071}.evidence-card small{color:var(--muted)}.chips{display:flex;gap:5px;flex-wrap:wrap}.chip{font-size:10px;background:#edf2ed;color:#667d68;border-radius:4px;padding:2px 6px}.limit-note{font-size:11px;color:var(--muted);line-height:1.9;background:#f7f8f4;border-radius:10px;padding:15px;margin-top:18px}.metric-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric-row{padding:14px;border:1px solid var(--line);border-radius:10px;display:flex;justify-content:space-between;gap:15px;font-size:12px}.metric-row strong{font-size:16px;color:var(--green)}footer{display:flex;justify-content:space-between;font-size:10px;color:#93a08f;margin-top:32px;gap:15px}.sr-only{position:absolute;clip:rect(0,0,0,0);width:1px;height:1px;overflow:hidden}.filter{display:flex;gap:15px;align-items:center;margin-bottom:10px}.filter label{display:flex;align-items:center;gap:6px}.filter input{width:auto}@media(max-width:960px){.process-note{display:none}.workspace{grid-template-columns:minmax(0,1.4fr) minmax(270px,1fr)}.panel{padding:23px}.section-title>.subtle{display:none}.overview{padding:24px}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.topbar{height:75px;padding:0 20px}.brand{font-size:17px}.edition{display:none}main{padding:30px 17px 18px}.intro{margin-bottom:24px}h1{font-size:28px}.intro p{font-size:12px}.eyebrow{font-size:11px}.workspace{grid-template-columns:1fr;gap:17px}.panel{padding:21px;border-radius:14px}.right-column{gap:17px}.overview{display:none}.dropzone{min-height:190px}.fields{grid-template-columns:1fr}.metadata summary span{font-size:10px}.result-panel>.section-title{display:block}.downloads{margin-top:16px}.downloads .primary{flex:1;flex-basis:100%}.stats-grid{gap:8px}.stat{padding:13px}.stat strong{font-size:24px}.metric-list{grid-template-columns:1fr}.report-tabs{gap:18px;overflow-x:auto;white-space:nowrap}.report-tabs button{font-size:12px}.privacy{font-size:10px}footer{font-size:9px;display:block}footer span{display:block;margin-top:6px}input,textarea,select{font-size:16px}}

/* Restrained research workbench: plain typography, flat surfaces and clear borders. */
:root{--ink:#29323a;--muted:#7b8288;--green:#355e72;--pale:#f5f6f7;--line:#e2e5e8;--paper:#fff;--bg:#fff}
.topbar{height:72px;background:#fff;padding:0 max(5vw,24px)}
.brand{font-size:18px;letter-spacing:0;font-weight:600}.edition{border:0;padding:0;border-radius:0;color:#858b90}
main{max-width:1160px;padding-top:38px}.intro{margin-bottom:30px}h1{font-size:25px;letter-spacing:0;font-weight:550;margin:0 0 9px}.intro p{font-size:13px}.workspace{gap:38px;grid-template-columns:minmax(0,1.65fr) minmax(290px,1fr)}
.panel{border:0;border-radius:0;box-shadow:none;padding:0}.input-panel{padding:0 0 24px}.section-title{margin-bottom:18px}h2{font-size:15px;font-weight:600}.tabs{border-radius:0;background:white;padding:0;gap:24px;border-bottom:1px solid var(--line);margin-bottom:20px}.tabs button{flex:0 1 auto;padding:10px 2px;border-radius:0;border-bottom:2px solid transparent;font-size:13px}.tabs button.active{box-shadow:none;border-color:var(--green);background:transparent;font-weight:500}.dropzone{min-height:200px;border:1px dashed #c5cbd0;background:#fafbfc;border-radius:4px;gap:9px}.dropzone:hover,.dropzone.dragover{background:#f5f7f9;border-color:#6e8a9a}.dropzone strong{font-size:14px;font-weight:500}.metadata{padding:18px 0}.primary{background:var(--green);border-color:var(--green);border-radius:4px;padding:10px 18px}.primary:hover{background:#274a5c}.submit{width:auto;min-width:140px;justify-content:center;font-size:13px;display:inline-flex}.secondary{background:white;border-color:#cfd5da;border-radius:4px;color:#526673}.method{margin-top:18px;font-size:11px;color:#878d92}.privacy{color:#8d9297;font-size:10px;max-width:550px}.overview{background:white;padding:0 0 22px;border-bottom:1px solid var(--line)}.overview h2{font-size:15px;margin:0 0 14px}.scope-list{margin:0}.scope-list>div{padding:11px 0;display:grid;grid-template-columns:68px 1fr;gap:12px}.scope-list dt{font-size:12px;color:#535d65}.scope-list dd{margin:0;font-size:12px;color:#858c92}.boundary{font-size:11px;border:0;padding:0;margin:17px 0 0;line-height:1.9;color:#93999d}.history{padding:0}.history h2{font-size:15px}.right-column{gap:24px;padding-left:26px;border-left:1px solid var(--line)}.history-item{padding:13px 0}.result-panel{padding:28px 0 0;border-top:1px solid #ccd3d9;margin-top:25px}.eyebrow{color:#88939a;font-size:11px;letter-spacing:0}.stats-grid{gap:0;border:1px solid var(--line);border-radius:3px}.stat{border-radius:0;background:white;padding:18px 22px;border-right:1px solid var(--line)}.stat:last-child{border-right:0}.stat strong{font-size:25px;font-weight:500}.report-tabs{gap:25px}.report-tabs button{background:transparent}th{background:#f5f6f7;color:#68737b}th,td{padding:12px 10px}.badge{background:none;padding:0;color:#426152;font-size:12px;border-radius:0}.badge.pending{background:none;color:#8e8170}.chip{background:#f3f5f6;color:#737e85;border-radius:2px}.evidence-card{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:16px 0;margin:0}.evidence-card blockquote{background:#f7f8f9;border-color:#c4ced5}.evidence-card p{color:#6e7981}.limit-note{background:#f8f9fa;border-radius:3px;color:#8b9298;font-size:11px}.metric-row{border-radius:3px}.metric-row strong{font-weight:500}.error{border-radius:3px}.metadata summary span{color:#93999e}input,select,textarea{border-radius:4px;background:white;border-color:#d5dbe0}.text-button{color:#617b8a}footer{border-top:1px solid var(--line);padding-top:18px;font-size:10px;margin-top:28px;color:#a0a6aa}
@media(max-width:700px){.topbar{height:64px}.brand{font-size:17px}main{padding:25px 19px 18px}h1{font-size:23px}.intro{margin-bottom:25px}.workspace{grid-template-columns:1fr;gap:22px}.panel{padding:0;border-radius:0}.input-panel{padding-bottom:20px}.right-column{padding:20px 0 0;border-left:0;border-top:1px solid var(--line)}.overview{display:none}.result-panel{padding:24px 0 0}.submit{width:100%}.stats-grid{gap:0}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.stat{padding:14px 17px}.stat strong{font-size:23px}.intro p{font-size:12px}.downloads .primary{flex-basis:100%}}