:root{--ink: #1b2a4a;--ink-soft: #33456e;--paper: #faf7f0;--paper-raised: #ffffff;--rule: #ded4b8;--rule-soft: #ece5d2;--graphite: #423f36;--graphite-soft: #7a7566;--sage: #4f7350;--amber: #a8712f;--brick: #93392b;--font-display: "Lora", Georgia, serif;--font-ui: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;--font-data: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace}*{box-sizing:border-box}body{margin:0;font-family:var(--font-ui);background:var(--paper);color:var(--graphite)}h1,h2,h3{font-family:var(--font-display);color:var(--ink);font-weight:600}button{background:var(--ink);color:var(--paper);border:none;padding:9px 16px;border-radius:3px;cursor:pointer;font-family:var(--font-ui);font-size:13px;font-weight:500;letter-spacing:.01em;transition:background .15s ease}button:hover:not(:disabled){background:var(--ink-soft)}button:disabled{background:#c7c2b3;cursor:not-allowed}button.danger{background:transparent;color:var(--brick);border:1px solid var(--brick)}button.danger:hover:not(:disabled){background:var(--brick);color:var(--paper)}button.ghost{background:transparent;color:var(--ink);border:1px solid var(--rule)}button.ghost:hover:not(:disabled){border-color:var(--ink)}.error{background:#f6eae6;color:var(--brick);border-left:3px solid var(--brick);padding:10px 14px;margin:12px 0;font-size:13px}.error.small{padding:7px 10px;font-size:12px;margin:10px 0}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.05),transparent 40%),var(--ink)}.login-card{background:var(--paper-raised);padding:40px 36px;border-radius:4px;width:340px;border-top:3px solid var(--ink);box-shadow:0 20px 50px #0000004d;display:flex;flex-direction:column;gap:16px}.login-mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--ink);color:var(--paper);font-family:var(--font-data);font-size:13px;font-weight:600;border-radius:3px}.login-card h1{margin:0;font-size:21px}.login-card .subtitle{margin:-8px 0 4px;color:var(--graphite-soft);font-size:13px}.login-card label{display:flex;flex-direction:column;font-size:12px;color:var(--graphite-soft);gap:5px}.login-card input{padding:9px 10px;border:1px solid var(--rule);border-radius:3px;font-size:14px;font-family:var(--font-ui);background:var(--paper);color:var(--graphite)}.login-card input:focus{outline:2px solid var(--ink-soft);outline-offset:1px}.app-shell{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--ink);color:var(--paper);display:flex;flex-direction:column;padding:24px 0 20px;flex-shrink:0;position:sticky;top:0;height:100vh;overflow:hidden}.sidebar-title{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:15px;padding:0 22px 20px;border-bottom:1px solid rgba(250,247,240,.15);margin-bottom:14px}.sidebar-mark{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:#faf7f01f;font-family:var(--font-data);font-size:11px;border-radius:3px;flex-shrink:0}.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}.nav-item{background:transparent;color:#faf7f0bf;text-align:left;border-radius:0;border-left:3px solid transparent;padding:11px 19px;font-size:14px;font-weight:400}.nav-item:hover:not(.active){background:#faf7f00f;color:var(--paper)}.nav-item.active{background:#faf7f014;border-left-color:#c9a15a;color:var(--paper);font-weight:600}.sidebar-footer{padding:16px 22px 0;border-top:1px solid rgba(250,247,240,.15);display:flex;flex-direction:column;gap:10px}.sidebar-user{font-size:12px;color:#faf7f08c}.logout-btn{background:transparent;border:1px solid rgba(250,247,240,.3);color:var(--paper)}.logout-btn:hover:not(:disabled){background:#faf7f01a}.content{flex:1;padding:40px 48px;max-width:1180px}.content-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:22px;gap:16px}.content-header h2{margin:0 0 4px;font-size:24px}.page-sub{margin:0;color:var(--graphite-soft);font-size:13.5px}.sample-banner{margin:4px 0 0;font-size:12.5px;color:var(--amber)}.loading-note{color:var(--graphite-soft);font-size:13px}.upload-form{display:flex;gap:14px;align-items:center;background:var(--paper-raised);padding:20px;border:1px solid var(--rule-soft);border-radius:4px;margin:4px 0 28px}.upload-form input[type=file]{font-size:13px;font-family:var(--font-ui);color:var(--graphite)}.dropzone{position:relative;background:var(--paper-raised);border:1.5px dashed var(--rule);border-radius:5px;padding:36px 24px;margin:4px 0 16px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease}.dropzone:hover{border-color:var(--ink-soft)}.dropzone.drag-active{border-color:var(--ink);background:#f3efe2}.dropzone-input{display:none}.dropzone-empty{pointer-events:none}.dropzone-icon{width:40px;height:40px;margin:0 auto 10px;border-radius:50%;border:1px solid var(--rule);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink-soft)}.dropzone-title{margin:0 0 4px;font-weight:500;color:var(--ink);font-size:14.5px}.dropzone-hint{margin:0;font-size:12px;color:var(--graphite-soft)}.dropzone-file{cursor:default}.file-chip{display:flex;align-items:center;gap:12px;text-align:left;max-width:460px;margin:0 auto}.file-ext{flex-shrink:0;width:38px;height:38px;border-radius:4px;background:var(--ink);color:var(--paper);font-family:var(--font-data);font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center}.file-meta{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.file-name{font-size:13.5px;color:var(--graphite);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{font-family:var(--font-data);font-size:11px;color:var(--graphite-soft)}.progress-track{position:relative;margin:16px auto 0;max-width:460px;height:6px;background:var(--rule-soft);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--ink);transition:width .15s ease}.progress-label{position:absolute;top:10px;right:0;font-family:var(--font-data);font-size:11px;color:var(--graphite-soft)}.submit-btn{width:100%;max-width:460px;display:block;margin:0 auto 24px;padding:11px;font-size:14px}button.ghost.small{padding:4px 9px;font-size:11px}.success-note{font-family:var(--font-display);font-weight:600;color:var(--ink);margin:4px 0 14px}.paper-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}.paper-card{position:relative;background:var(--paper-raised);border:1px solid var(--rule-soft);border-left:4px solid var(--graphite-soft);border-radius:3px;padding:18px 20px 16px;display:flex;flex-direction:column;gap:10px}.paper-card.spine-low{border-left-color:var(--sage)}.paper-card.spine-medium{border-left-color:var(--amber)}.paper-card.spine-high{border-left-color:var(--brick)}.sample-tag{position:absolute;top:14px;right:18px;font-family:var(--font-data);font-size:10px;letter-spacing:.04em;color:var(--graphite-soft);border:1px solid var(--rule);padding:2px 7px;border-radius:2px}.paper-card-header{display:flex;flex-direction:column;gap:2px;padding-right:60px}.paper-card-header h3{margin:0;font-size:15.5px;line-height:1.35}.paper-id{font-family:var(--font-data);font-size:11px;color:var(--graphite-soft)}.paper-file-name{font-size:12px;color:var(--graphite-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.paper-meta{display:flex;gap:6px;flex-wrap:wrap}.paper-meta span{font-size:11px;color:var(--ink-soft);border:1px solid var(--rule-soft);padding:2px 8px;border-radius:2px}.ledger{border-top:1px solid var(--rule-soft);padding-top:8px;display:flex;flex-direction:column}.ledger-row{display:flex;justify-content:space-between;align-items:baseline;padding:5px 0;border-bottom:1px dashed var(--rule-soft);font-size:13px}.ledger-row:last-child{border-bottom:none}.ledger-row.muted span{color:var(--graphite-soft)}.figure{font-family:var(--font-data);font-weight:600;font-size:13.5px;color:var(--graphite)}.figure.small{font-weight:400;font-size:11.5px;color:var(--graphite-soft)}.figure.risk-low{color:var(--sage)}.figure.risk-medium{color:var(--amber)}.figure.risk-high{color:var(--brick)}.paper-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}.paper-actions button{font-size:12px;padding:7px 11px}.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:30px}.page-btn{min-width:32px;height:32px;padding:0 8px;background:transparent;color:var(--ink);border:1px solid var(--rule-soft);border-radius:3px;font-family:var(--font-data);font-size:12.5px;display:inline-flex;align-items:center;justify-content:center}.page-btn:hover:not(:disabled):not(.active){border-color:var(--ink)}.page-btn.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}.page-btn:disabled{color:var(--graphite-soft);border-color:var(--rule-soft);background:transparent}.page-ellipsis{color:var(--graphite-soft);font-family:var(--font-data);font-size:12.5px;padding:0 2px}