:root{font-family:Inter,Noto Sans JP,Yu Gothic UI,sans-serif;color:#16212b;background:#eef2f5;font-synthesis:none;--ink: #16212b;--muted: #63707c;--line: #cfd8df;--paper: #ffffff;--navy: #163a55;--blue: #176fa6;--blue-soft: #dceefa;--amber: #a35d00;--amber-soft: #fff1d7;--red: #9a2f32;--red-soft: #fde7e7;--green: #2f6c4f;--green-soft: #e3f2e9}*{box-sizing:border-box}body{margin:0;min-width:1180px;min-height:100vh;background:#eef2f5}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit}h1,h2,h3,p{margin-top:0}h1{font-size:1.45rem;margin-bottom:0}h2{font-size:1.7rem;margin-bottom:.4rem}h3{font-size:1rem;margin-bottom:.65rem}small,.helper-text{color:var(--muted)}.app-header{height:76px;padding:10px 26px;display:grid;grid-template-columns:245px 1fr auto;align-items:center;gap:24px;color:#fff;background:var(--navy);box-shadow:0 3px 12px #0b213240}.app-header nav{display:flex;min-width:0;height:100%;align-items:stretch;gap:4px;overflow-x:auto;scrollbar-width:thin}.app-header nav a{display:flex;flex:0 0 auto;align-items:center;padding:0 10px;border-radius:8px;white-space:nowrap;word-break:keep-all;text-decoration:none;color:#d9e5ed}.app-header nav a.active,.app-header nav a:hover{background:#ffffff1a;color:#fff}.app-kicker,.section-label{display:block;margin-bottom:4px;font-size:.7rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#77b9df}.user-menu{display:flex;align-items:center;gap:10px}.dataset-selector{min-width:170px;gap:2px;color:#d9e5ed;font-size:.68rem}.dataset-selector select{min-height:36px;max-width:220px;padding:5px 8px;border-color:#fff6;color:#fff;background:#ffffff17}.dataset-selector option{color:var(--ink);background:#fff}.app-main{padding:28px}.page-stack{display:grid;gap:20px;max-width:1380px;margin:0 auto}.card{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--paper);box-shadow:0 7px 22px #2437460d}.button{min-height:44px;padding:9px 16px;border:1px solid transparent;border-radius:9px;font-weight:750}.button-primary{color:#fff;background:var(--blue)}.button-primary:hover{background:#0d5c8d}.button-secondary{color:var(--ink);border-color:#aab7c1;background:#fff}.button-danger{color:#fff;background:var(--red)}.button-large{min-height:54px;padding-inline:24px;font-size:1.05rem}.full-width{width:100%}.text-button{padding:0;border:0;color:var(--blue);background:none}.hero{display:flex;justify-content:space-between;align-items:center;min-height:150px;padding:30px;border-left:7px solid var(--blue)}.hero p{color:var(--muted);margin-bottom:0}.section-heading{display:flex;justify-content:space-between;align-items:end}.section-heading p{margin-bottom:0;color:var(--muted)}.large-count{font-size:2rem;font-weight:850;color:var(--navy)}.card-list{display:grid;gap:12px}.work-card{display:flex;justify-content:space-between;align-items:center;width:100%;text-align:left}.work-card>span:first-child{display:grid;gap:4px}.count-badges,.warning-badges,.action-row{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.count-badges span,.badge{padding:5px 9px;border-radius:999px;font-size:.8rem;font-weight:750;background:#edf1f4}.badge-warning{color:#704000;background:var(--amber-soft);border:1px solid #dfad5a}.badge-info{color:#164b69;background:var(--blue-soft);border:1px solid #8fc2df}.notice{display:grid;gap:4px;padding:14px 16px;border:1px solid #9fc4dc;border-radius:10px;background:#eaf5fb}.notice-error{color:#74272a;border-color:#d99a9c;background:var(--red-soft)}.triage-card{display:grid;gap:17px}.triage-card header,.model-card header{display:flex;justify-content:space-between;align-items:start}.triage-thumbnail{width:150px;height:96px;flex:0 0 auto;border:1px solid #c7d0d6;border-radius:6px;object-fit:contain;background:#f3f5f7}.thumbnail-placeholder{display:grid;place-items:center;color:#53616c;font-size:.78rem}.triage-queue-card{padding:8px}.triage-summary{display:grid;grid-template-columns:150px minmax(220px,1fr) minmax(150px,auto) 160px;align-items:center;gap:14px;height:100%;padding:8px 12px;border:1px solid #d8dfe4;border-radius:8px;background:#fff}.triage-summary.selected{border:2px solid var(--blue);background:var(--blue-soft)}.triage-summary-main{display:grid;gap:5px;min-width:0}.triage-summary-main strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.load-more-button{justify-self:center;min-width:220px}fieldset{padding:0;border:0}legend,label{display:grid;gap:7px;font-size:.85rem;font-weight:750;color:#3f4c57}input,select{min-height:44px;padding:9px 11px;border:1px solid #aebbc5;border-radius:8px;color:var(--ink);background:#fff}.choice-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.choice-button{min-height:48px;padding:9px 16px;border:1px solid #aebbc5;border-radius:9px;background:#fff}.choice-button.selected,.practice-tools .selected{color:#0c4c72;border:2px solid var(--blue);background:var(--blue-soft)}.inline-action-card{display:grid;grid-template-columns:minmax(240px,1fr) 260px minmax(360px,42%);align-items:center;gap:20px}.inline-form{display:flex;gap:8px}.inline-form input{flex:1}.hold-answer-form{display:grid;gap:10px}.answer-text{padding:9px;border-left:4px solid var(--blue);background:#f0f6fa}.hold-preview{position:relative;width:260px;height:130px;overflow:hidden;border:1px solid #93a2ad;border-radius:7px;background:repeating-linear-gradient(0deg,#fff,#fff 19px,#e2e7ea 20px)}.hold-preview img,.hold-preview svg{position:absolute;inset:0;width:100%;height:100%}.hold-preview img{object-fit:fill}.hold-preview svg{z-index:1}.hold-preview rect,.hold-preview polyline{fill:#d43c3c18;stroke:var(--red);stroke-width:4;vector-effect:non-scaling-stroke}.hold-preview>span{position:absolute;inset:auto 8px 8px;color:#4c5963;font-size:.75rem}.review-card{display:grid;grid-template-columns:1fr 400px auto;gap:20px;align-items:center}.review-correction-panel{display:grid;grid-column:1 / -1;gap:10px;padding-top:14px;border-top:1px solid #d8dfe4}.review-correction-panel label{grid-template-columns:minmax(180px,1fr) minmax(220px,320px);align-items:center}.review-correction-panel .button{justify-self:start}.review-preview{position:relative;height:170px;overflow:hidden;border:1px solid #93a2ad;border-radius:8px;background:repeating-linear-gradient(0deg,#fff,#fff 19px,#e2e7ea 20px)}.review-preview>img{position:absolute;inset:0;width:100%;height:100%;object-fit:fill}.review-annotation-overlay{position:absolute;z-index:1;inset:0;width:100%;height:100%;pointer-events:none}.review-annotation-overlay rect,.review-annotation-overlay polyline{fill:transparent;stroke:#1680bb;stroke-width:3;vector-effect:non-scaling-stroke}.pin-placement{position:absolute;z-index:2;inset:0;width:100%;height:100%;border:0;color:#4c5963;background:transparent}.review-preview.has-image .pin-placement{color:transparent}.review-pin{position:absolute;z-index:3;display:grid;width:28px;height:28px;place-items:center;transform:translate(-50%,-50%);border-radius:50%;color:#fff;font-weight:850;background:var(--red);box-shadow:0 2px 6px #0005}.next-actions{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.action-card{display:grid;grid-template-columns:1fr auto;align-items:end;text-decoration:none;border-top:5px solid var(--blue)}.action-card strong{font-size:2.1rem;color:var(--navy)}.action-card small{grid-column:1 / -1}.dashboard-grid{display:grid;grid-template-columns:1.1fr 1.1fr .8fr;gap:16px}.metric-list{display:grid;gap:7px}.metric-list>div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid #e2e7ea}.virtual-list{overflow-y:auto;contain:strict}.virtual-row{position:absolute;inset:0 0 auto;padding:8px}.worker-row{display:grid;grid-template-columns:1fr repeat(3,150px);align-items:center;height:100%;border-bottom:1px solid #e1e7eb}.assignment-card{display:grid;gap:12px}.assignment-row{display:grid;grid-template-columns:minmax(260px,1fr) 220px 130px;gap:12px;align-items:center;padding:12px 0;border-top:1px solid #e1e7eb}.assignment-row>div{display:grid;gap:4px}.assignment-row>div span{color:var(--muted);font-size:.82rem}.assignment-row>p{grid-column:1 / -1;margin:0;color:var(--red)}.timeline{display:grid}.timeline>div{display:grid;grid-template-columns:170px 110px 1fr 130px;gap:12px;align-items:center;padding:11px 0;border-bottom:1px solid #e1e7eb}.timeline time,.timeline small{color:var(--muted);font-size:.78rem}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.metric-grid>div{display:grid;gap:7px;padding:13px;border-radius:8px;background:#f1f5f7}.metric-grid span{font-size:.8rem;color:var(--muted)}.annotation-page{margin:-28px;background:#e7ecef;min-height:calc(100vh - 76px)}.annotation-header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-bottom:1px solid #bdc7ce;background:#fff}.annotation-header h2{display:inline;margin:0 12px;font-size:1.15rem}.save-state{display:grid;justify-items:end;font-size:.82rem}.save-saved{color:var(--green)}.save-queued{color:var(--amber)}.step-bar{display:grid;grid-template-columns:repeat(5,1fr);gap:2px;padding:0;margin:0;list-style:none;background:#c7d0d6}.step-bar button{width:100%;min-height:54px;border:0;color:#4d5963;background:#f5f7f8}.step-bar span{display:inline-grid;width:26px;height:26px;margin-right:7px;place-items:center;border:1px solid #91a0aa;border-radius:50%}.step-bar .active button{color:#0e557f;font-weight:850;background:var(--blue-soft)}.step-bar .active span{color:#fff;border-color:var(--blue);background:var(--blue)}.step-bar .done button{color:#2f664d;background:var(--green-soft)}.annotation-page>.notice{margin:10px 14px}.annotation-layout{display:grid;grid-template-columns:190px minmax(700px,1fr) 300px;height:calc(100vh - 184px)}.tool-panel,.status-panel{overflow-y:auto;padding:14px;background:#fff}.tool-panel{border-right:1px solid #bcc7ce}.status-panel{border-left:1px solid #bcc7ce}.tool-panel section,.status-panel section{display:grid;gap:8px;padding:12px 0;border-bottom:1px solid #dfe5e9}.tool-button{min-height:46px;padding:8px 10px;border:1px solid #b5c0c8;border-radius:7px;text-align:left;background:#fff}.tool-button.selected{color:#0d527c;border:2px solid var(--blue);background:var(--blue-soft)}.hold-button{border-style:dashed;font-weight:800}.board-column{display:grid;grid-template-rows:1fr auto;min-width:0;min-height:0}.drawing-board-wrap{position:relative;min-height:0;padding:46px 18px 18px;overflow:hidden;background:#707b84}.drawing-toolbar{position:absolute;z-index:3;inset:7px 18px auto;display:flex;gap:7px;align-items:center}.drawing-toolbar button{min-height:34px;border:1px solid #9ba8b1;border-radius:6px;background:#fff}.drawing-toolbar span{padding:5px 9px;border-radius:5px;color:#fff;font-size:.75rem;background:#27333bb8}.drawing-board{display:block;width:100%;height:100%;border-radius:4px;background:#fff;box-shadow:0 5px 24px #0005;touch-action:none}.tool-pan{cursor:grab}.annotation-shape rect{stroke:#1680bb;stroke-width:3;vector-effect:non-scaling-stroke}.annotation-shape polyline{stroke:#1680bb;stroke-width:5;vector-effect:non-scaling-stroke}.annotation-shape text{fill:#0b4d72;font-size:16px;font-weight:800;paint-order:stroke;stroke:#fff;stroke-width:4px}.annotation-shape.selected rect,.annotation-shape.selected polyline{stroke:#d86d00;stroke-width:6}.annotation-shape.held rect,.annotation-shape.held polyline{stroke:var(--amber);stroke-dasharray:9 6}.annotation-shape.generated{opacity:.55}.annotation-shape.generated rect,.annotation-shape.generated polyline{stroke-dasharray:6 6}.kind-exclusion_zone rect{stroke:#505c65}.line-start{fill:var(--amber);stroke:#fff;stroke-width:3}.line-trace-proposal{stroke:#00a0a6;stroke-width:7;stroke-linecap:round;vector-effect:non-scaling-stroke;filter:drop-shadow(0 0 2px white);pointer-events:none}.line-trace-proposal.gap-bridged{stroke:#e3a100;stroke-dasharray:14 9}.board-instruction,.readonly-overlay{position:absolute;z-index:4;padding:10px 14px;border-radius:8px;color:#fff;background:#16212bcc}.board-instruction{left:50%;bottom:28px;transform:translate(-50%)}.line-review-panel{position:absolute;z-index:5;right:28px;bottom:28px;width:min(560px,calc(100% - 56px));padding:16px;border:2px solid #00a0a6;border-radius:10px;color:#172832;background:#fffffff2;box-shadow:0 8px 24px #1023304d}.line-review-panel>p{margin:7px 0 0}.line-review-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.audit-create-card{display:grid;grid-template-columns:repeat(4,minmax(170px,1fr));gap:14px;align-items:end}.audit-create-card h3{grid-column:1 / -1}.audit-card{display:grid;grid-template-columns:minmax(220px,1fr) 320px minmax(280px,1fr);gap:18px;align-items:center}.audit-card .action-row{grid-column:1 / -1;justify-content:end}.audit-preview{min-height:180px;display:grid;place-items:center;overflow:hidden;border:1px solid #c8d1d8;border-radius:8px;background:#f2f5f7}.audit-preview img{display:block;width:100%;height:220px;object-fit:contain}.audit-card textarea{min-height:120px;resize:vertical}.rectification-card{display:grid;gap:14px}.corner-choice-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.rectification-preview{position:relative;width:min(100%,920px);max-height:68vh;overflow:hidden;border:2px solid #63727d;border-radius:8px;background:#eef1f3;cursor:crosshair}.rectification-preview img{display:block;width:100%;height:auto;max-height:68vh;object-fit:contain;-webkit-user-select:none;user-select:none}.rectification-preview svg{position:absolute;inset:0;width:100%;height:100%}.rectification-preview polygon{fill:#1379561f;stroke:#087a52;stroke-width:.006;vector-effect:non-scaling-stroke}.rectification-preview circle{fill:#fff;stroke:#087a52;stroke-width:.008;vector-effect:non-scaling-stroke}.rectification-preview circle.active{fill:#f4b942;stroke:#754f00}.validation-message{margin:0;color:#9b2c2c;font-weight:700}.readonly-overlay{inset:60px 30px auto;text-align:center;background:#6a4100e8}.board-footer{display:flex;justify-content:center;gap:10px;padding:9px;border-top:1px solid #bac4ca;background:#fff}.status-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.status-metrics div{display:grid;justify-items:center;padding:8px 3px;border-radius:7px;background:#edf2f5}.status-metrics strong{font-size:1.45rem}.adjust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:5px}.adjust-grid button{min-height:38px;border:1px solid #abb7c0;border-radius:6px;background:#fff}.relation-registration label{margin-top:4px}.check-list{display:grid;gap:5px;padding-left:21px;color:#734500;font-size:.82rem}.ready-message{padding:9px;border-radius:6px;color:var(--green);background:var(--green-soft)}.practice-guide{display:flex;justify-content:space-between;align-items:center;border-left:6px solid var(--blue)}.practice-guide h2{max-width:720px}.practice-tools{display:flex;gap:8px}.practice-tools button{min-height:48px;padding:8px 15px;border:1px solid #aeb9c1;border-radius:8px;background:#fff}.practice-complete{max-width:760px;margin:80px auto;text-align:center}.upload-card{display:grid;gap:20px;min-height:260px;place-items:center}.file-drop{width:min(760px,90%);min-height:150px;place-items:center;align-content:center;padding:28px;border:2px dashed #8da3b3;border-radius:12px;text-align:center;color:var(--navy);background:#f4f8fa}.file-drop input{max-width:420px}.file-drop span{color:var(--muted);font-weight:500}.upload-progress{display:grid;justify-items:center}.login-page,.fatal-error,.loading-page{min-height:100vh;display:grid;place-items:center;padding:30px}.login-card{display:grid;width:440px;gap:17px}.fatal-error .card{max-width:620px}@media(max-width:1250px){.annotation-layout{grid-template-columns:170px minmax(650px,1fr) 270px}.app-header{grid-template-columns:210px 1fr auto;gap:10px}.app-header nav a{padding-inline:8px}}