:root{--ink:#203930;--muted:#71827b;--accent:#157d67;--line:#dce6df;--bg:#f3f6f3;--surface:#fff}*{box-sizing:border-box}body{margin:0;font:13px/1.55 'Segoe UI','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}button{border:1px solid var(--line);background:white;color:var(--ink);padding:7px 10px;border-radius:7px;cursor:pointer}button:hover{background:#edf6ef;border-color:#9fbfab}button:disabled{opacity:.4;cursor:default}button.active{background:#e1f2e9;border-color:#74ab91;color:#096448}a{color:var(--accent);text-decoration:none}small{display:block;color:var(--muted);font-size:11px}kbd{font:10px/1.4 'Segoe UI',sans-serif;color:inherit;opacity:.65;border:1px solid currentColor;border-radius:3px;padding:0 3px;margin-left:4px}header{height:76px;display:flex;align-items:center;gap:30px;padding:0 24px;border-bottom:1px solid var(--line);background:white}.brand{display:flex;gap:12px;align-items:center;min-width:230px}.brand-icon{font-size:29px;background:#e4f2e9;color:var(--accent);padding:0 10px;border-radius:10px}.brand strong{font-size:20px;letter-spacing:.5px}.project-progress{min-width:180px;max-width:340px;flex:1}.project-progress>div{display:flex;justify-content:space-between;gap:10px;font-size:12px}.project-progress span{color:var(--muted)}progress{width:100%;height:7px;display:block;border:0;border-radius:5px;overflow:hidden;background:#e3ebe5;margin-top:7px}progress::-webkit-progress-bar{background:#e3ebe5}progress::-webkit-progress-value{background:var(--accent)}.header-actions{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:12px}.header-actions button{color:var(--accent);font-weight:600}main{height:calc(100dvh - 76px);display:grid;grid-template-columns:204px minmax(420px,1fr) 250px}.sample-panel,.review-panel{padding:17px 13px;background:white;overflow-y:auto}.sample-panel{border-right:1px solid var(--line);display:flex;flex-direction:column}.panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:12px}.panel-heading button{padding:4px 6px;font-size:10px}input[type=search],select,textarea{border:1px solid var(--line);padding:9px;border-radius:6px;background:#fafcf9;color:var(--ink);width:100%;outline:none}select{margin-top:8px}input:focus,select:focus,textarea:focus{border-color:#489b7d}input[type=range]{accent-color:var(--accent);width:100%;margin:5px 0}input[type=checkbox]{accent-color:var(--accent)}.sample-list{flex:1;overflow-y:auto;margin:12px -5px 0;padding:0 5px;min-height:0}.sample-item{display:flex;align-items:center;gap:8px;width:100%;padding:7px 5px;border:1px solid transparent;text-align:left;margin-bottom:5px;position:relative}.sample-item.active{background:#eaf4ed;border-color:#8bb89f}.sample-item img{width:51px;height:40px;object-fit:cover;border-radius:4px}.sample-item strong{font-size:11px;display:block}.sample-item small{font-size:10px}.sample-item .badge{position:absolute;right:6px;top:6px;font-size:9px;color:#9ca7a0}.sample-item[data-status=completed] .badge{color:#087255}.sample-item[data-status=draft] .badge{color:#b37d23}.sidebar-hint{font-size:10px;color:var(--muted);margin:11px 0 0}.workspace{padding:16px 18px 10px;display:flex;flex-direction:column;min-width:0;min-height:0}.image-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px;gap:10px}.image-heading strong{font-size:16px}.sample-nav{display:flex;align-items:center;gap:10px;font-size:11px;white-space:nowrap}.sample-nav button{padding:3px 10px}.toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:5px;padding:8px;border:1px solid var(--line);background:white;border-radius:9px 9px 0 0}.toolbar button{font-size:11px;padding:6px 8px}.toolbar-spacer{flex:1}.settings-bar{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:8px 10px;background:#f9fcf9;border:1px solid var(--line);border-top:0;font-size:10px}.settings-bar>label:not(.checkbox){display:grid;grid-template-columns:1fr auto;width:155px;gap:0 7px}.settings-bar input[type=range]{grid-column:1/3}.settings-bar output{color:var(--accent)}.settings-bar .checkbox{display:flex;align-items:center;white-space:nowrap}.settings-bar button{font-size:10px;padding:5px 7px}.canvas-wrap{flex:1;position:relative;overflow:hidden;min-height:240px;background-color:#e4e9e3;background-image:radial-gradient(#bdcbbb .65px,transparent .65px);background-size:13px 13px;border:1px solid var(--line);border-top:0;border-radius:0 0 8px 8px}canvas{width:100%;height:100%;display:block;touch-action:none;cursor:crosshair}.empty{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;color:var(--muted)}.canvas-bottom{position:absolute;bottom:0;left:0;right:0;background:#ffffffdf;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:7px 10px;font-size:10px;pointer-events:none}.canvas-bottom>div{display:flex;align-items:center;gap:6px;pointer-events:auto}.canvas-bottom button{font-size:10px;padding:2px 6px}.canvas-bottom span#zoom{min-width:35px;text-align:center}.save-bar{display:flex;justify-content:space-between;gap:12px;font-size:11px;color:var(--muted);padding:10px 1px 0}.save-bar .error{color:#bb433c}#saveStatus{white-space:nowrap}#saveStatus.saved{color:#13725a}#saveStatus.pending{color:#a87618}.review-panel{border-left:1px solid var(--line);padding:17px 14px}.review-panel section,.review-panel details{margin-bottom:17px}.finish-card{border:1px solid #cfe2d4;background:#f5faf5;border-radius:9px;padding:14px}.eyebrow{font-size:10px;color:var(--muted)}h2{font-size:18px;line-height:1.3;margin:4px 0 9px}.finish-card p{font-size:11px;color:var(--muted);margin:6px 0 12px}.primary{display:flex;justify-content:space-between;align-items:center;width:100%;background:var(--accent);color:white;border:1px solid var(--accent);font-weight:600;padding:11px 10px;border-radius:7px}.primary:hover{background:#096a54;color:white}.finish-card>button:not(.primary){width:100%;margin-top:7px;font-size:11px;display:flex;justify-content:space-between}.finish-card small{margin-top:10px;font-size:10px}.guide-card>strong{font-size:12px}.guide-card p{font-size:11px;color:var(--muted);line-height:1.75}.small-label{display:flex;justify-content:space-between;margin:12px 0 5px;font-size:11px}.small-label output{color:var(--accent)}details{border-top:1px solid var(--line);padding-top:12px;font-size:11px}summary{cursor:pointer;font-weight:600}details button{width:100%;font-size:11px;margin-top:7px}.help{font-size:10px;line-height:1.8;color:var(--muted);margin:7px 0}.export-card{border:1px solid #bddbc7;border-radius:8px;padding:12px;background:#eef8f0;font-size:11px}.export-card>strong{font-size:13px}.export-card p{color:var(--muted);margin:7px 0}.export-card a:not(.primary){display:block;margin-top:8px}.export-card small{font-size:9px;overflow-wrap:anywhere;margin-top:9px}.recovery{background:#fff2d5;border:1px solid #ebcc7b;border-radius:6px;margin-top:8px;padding:8px;font-size:11px}.recovery button{font-size:10px;margin:5px 4px 0 0}[hidden]{display:none!important}
.sample-list{overflow-x:hidden}.sample-item>div{min-width:0}.sample-item strong,.sample-item small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.completion-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:9px;flex-shrink:0}.completion-bar>span{color:var(--muted);font-size:10px}.completion-bar .primary{width:auto;min-width:188px;font-size:12px;padding:9px 12px;gap:18px}
@media(max-width:1180px){main{grid-template-columns:176px minmax(360px,1fr) 224px}.workspace{padding:12px}.toolbar kbd{display:none}.settings-bar{gap:7px}.settings-bar>label:not(.checkbox){width:135px}.header-actions{gap:12px}header{padding:0 17px;gap:18px}.brand{min-width:205px}.canvas-bottom{flex-wrap:wrap;gap:3px}}
@media(max-width:900px){header{height:auto;min-height:76px;flex-wrap:wrap;padding:12px 14px;gap:10px}.brand{min-width:180px}.brand strong{font-size:17px}.header-actions{margin-left:0;flex:1;justify-content:flex-end}.header-actions>a{display:none}main{height:auto;grid-template-columns:150px minmax(320px,1fr)}.sample-panel{height:calc(100dvh - 96px);position:sticky;top:0}.workspace{height:calc(100dvh - 96px);min-height:580px}.review-panel{grid-column:1/3;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;border-top:1px solid var(--line)}.review-panel section,.review-panel details{margin:0}.panel-heading{flex-wrap:wrap;gap:7px}.canvas-bottom>span{max-width:100%;font-size:9px}}
@media(max-width:600px){header .project-progress{min-width:140px}main{display:block}.sample-panel{height:155px;position:static;padding:10px}.panel-heading,.sidebar-hint{display:none}.sample-panel>input,.sample-panel>select{width:48%;display:inline-block;margin:0 1%}.sample-panel{display:block}.sample-list{display:flex;overflow-x:auto;margin-top:8px;height:65px}.sample-item{min-width:155px}.workspace{height:76dvh;min-height:530px;padding:10px}.settings-bar>label:not(.checkbox){width:130px}.settings-bar .checkbox{font-size:9px}.review-panel{display:block}.review-panel section,.review-panel details{margin-bottom:14px}.save-bar{flex-wrap:wrap;gap:3px}.completion-bar>span{max-width:120px;font-size:9px}}
.spine-toolbar-label{width:100%;color:var(--muted);font-size:11px}.spine-toolbar button{font-size:11px;padding:6px 9px}.spine-toolbar button.active{background:#e1f2e9;border-color:#74ab91;color:#096448}.spine-point-card .point-readout{display:grid;gap:7px;margin:9px 0 2px;font-size:10px}.point-readout span{display:flex;justify-content:space-between;gap:8px}.point-readout output{font-variant-numeric:tabular-nums;color:var(--accent);text-align:right}.spine-toolbar button.has-point::after{content:' ✓';color:#13725a;font-weight:700}#landmarkSuggestionInfo{border-top:1px solid var(--line);padding-top:9px;margin-top:12px}
.unified .spine-toolbar{border-radius:0;border-top:0;padding:6px 8px;gap:4px}.unified .spine-toolbar-label{display:none}.unified .spine-toolbar button{font-size:10px;padding:4px 7px}.unified .spine-toolbar button.active{box-shadow:inset 0 -2px #157d67}.unified .canvas-bottom>span{display:none}.unified .canvas-bottom{left:auto;background:#fffffff0;border-radius:6px 0 0 0}.unified .finish-card h2{font-size:16px}.unified .spine-point-card{background:white}.unified .image-heading{margin-bottom:8px}.unified .settings-bar{padding:5px 8px}.unified .review-panel .guide-card[data-spine-only]{display:none}
.unified .toolbar{padding:6px;gap:4px}.unified .toolbar button{padding:5px 7px;font-size:10px}.unified .settings-bar{min-height:30px}.unified .settings-bar .checkbox{font-size:10px}.unified .spine-toolbar{padding:5px 6px}.unified .spine-toolbar button{padding:4px 6px;font-size:9px}
@media(max-width:900px) and (min-width:601px){.unified main{grid-template-columns:128px minmax(320px,1fr)}.unified .workspace{min-height:500px;height:calc(100dvh - 76px);padding:10px}.unified .sample-panel{height:calc(100dvh - 76px);padding:12px 9px}.unified .sample-item img{width:39px;height:33px}.unified .image-heading strong{font-size:14px}.unified .canvas-wrap{min-height:220px}.unified .save-bar{font-size:10px}.unified .completion-bar .primary{font-size:11px;min-width:180px}.unified .completion-bar>span{font-size:9px}}
.landmark-mode-control{display:flex;align-items:center;flex-wrap:wrap;gap:6px 10px}.landmark-mode-control label{display:inline-flex;align-items:center;gap:4px;cursor:pointer;white-space:nowrap;font-size:10px}.landmark-mode-control input{margin:0;accent-color:var(--accent)}.landmark-mode-control label:has(input:checked){color:var(--accent);font-weight:600}.landmark-mode-control span{font-size:9px;color:var(--muted)}
.header-actions #projectPicker{width:216px;max-width:31vw;margin:0;font-size:11px}
.header-actions #projectPicker{width:248px}.sample-panel #batchPicker{margin:0 0 8px;font-size:11px}.sample-item.locked{background:#f1f2f1;border-color:#e4e7e4;color:#9aa29d;filter:grayscale(1);opacity:.66}.sample-item.locked img{filter:grayscale(1);opacity:.58}.sample-item.locked .badge,.sample-item[data-status=completed].locked .badge{color:#88918b}.sample-item.locked:hover{background:#f1f2f1;border-color:#e4e7e4;cursor:not-allowed}
.sample-nav #switchBaseline{font-size:10px;padding:4px 7px;color:#165e4b;white-space:nowrap}
.sample-item[data-model=official_sam]:not(.locked) .badge,.sample-item[data-model=finetuned_sam]:not(.locked) .badge{color:#9a6516;font-weight:700}.sample-item[data-model=unet_v8]:not(.locked) .badge{color:#157d67;font-weight:700}
.quality-flag-summary{margin:6px 2px 0;color:#a43b31;font-size:10px;font-weight:600}.quality-flag-card{border-color:#f0c2bc;background:#fff8f6}.quality-flag-toggle{display:flex;align-items:center;gap:9px;margin:10px 0;color:#a92e25;cursor:pointer;font-size:13px}.quality-flag-toggle input{width:17px;height:17px;margin:0;accent-color:#d14c3f}.quality-flag-card small{font-size:10px}.sample-item .sample-issue{position:absolute;right:6px;bottom:4px;padding:1px 5px;border:1px solid #f0b4ad;border-radius:8px;background:#fff0ee;color:#ad3027;font-size:8px;font-weight:700;white-space:nowrap}