:root{color-scheme:dark;--bg:#101316;--panel:#181c20;--line:#2c3238;--muted:#8c969e;--text:#e8edef;--accent:#c5f277}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:13px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer;background:#242b30;border:1px solid #343d44;color:var(--text);border-radius:7px;padding:8px 12px;transition:.15s}button:hover{background:#354047;border-color:#727d85}button:disabled{opacity:.35;cursor:default}button.primary{background:var(--accent);color:#172110;border-color:var(--accent);font-weight:650}button.primary:hover{background:#d8ffa1}input,select,textarea{background:#121619;border:1px solid var(--line);border-radius:7px;color:var(--text);padding:9px;width:100%;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}header{height:76px;display:flex;align-items:center;padding:0 26px;gap:24px;border-bottom:1px solid var(--line);background:var(--panel)}.brand{font-size:26px;font-weight:750;letter-spacing:-1px;text-decoration:none;color:var(--accent);display:flex;gap:10px;align-items:center}.brand>span{color:var(--text);font-size:21px}.muted{color:var(--muted)}.divider{height:25px;border-left:1px solid var(--line)}.workspace-label{font-size:10px;letter-spacing:1.6px;color:var(--muted)}.header-right{margin-left:auto;display:flex;gap:14px;align-items:center}.local{font-size:11px;color:var(--accent);margin-right:8px}.app{height:calc(100vh - 76px);display:grid;grid-template-columns:244px minmax(300px,1fr) 282px}.library,.inspector{background:var(--panel);padding:20px 16px;display:flex;flex-direction:column;overflow:auto}.library{border-right:1px solid var(--line)}.inspector{border-left:1px solid var(--line)}.section-top{display:flex;align-items:center;justify-content:space-between;margin:0 0 12px;font-size:10px;letter-spacing:1.2px;font-weight:700;color:#afb8be}.section-top button{padding:0 6px;font-size:20px;border:0;background:none}.section-top select{width:110px;font-size:10px;letter-spacing:0;padding:5px}.section-top b{color:var(--muted);margin-left:5px}.project-meta{font-size:11px;color:var(--muted);margin-top:9px}.tag{padding:3px 6px;background:#2b3434;color:#bbc9c4;border-radius:4px;font-size:9px;letter-spacing:.7px;margin-left:8px}.upload{margin:22px 0;border:1px dashed #56624e;background:#232b20;color:var(--accent);padding:17px 5px;font-weight:600}.upload small{display:block;color:var(--muted);font-size:10px;margin-top:5px;font-weight:400}#search{font-size:11px;margin-bottom:10px}#image-list{flex:1;overflow:auto;min-height:100px}.image-row{display:flex;width:100%;padding:9px 7px;gap:10px;margin:5px 0;text-align:left;background:transparent;border-color:transparent;align-items:center}.image-row.active{background:#293227;border-color:#5c7044}.image-row img{width:43px;height:43px;object-fit:cover;border-radius:5px}.image-row .details{overflow:hidden;flex:1}.image-row strong{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-size:11px;font-weight:500}.image-row small{color:var(--muted);font-size:9px}.check{color:var(--accent)}.progress-area{border-top:1px solid var(--line);padding-top:15px;margin-top:12px;font-size:10px}.progress-area>div{display:flex;justify-content:space-between}.progress-area small{color:var(--muted);font-size:9px}progress{width:100%;height:5px;border:0;margin:12px 0;background:#333;border-radius:3px}progress::-webkit-progress-bar{background:#30363a}progress::-webkit-progress-value{background:var(--accent)}main{display:flex;flex-direction:column;min-width:0}.canvas-top{display:flex;padding:19px 24px;gap:14px;align-items:center;height:86px;border-bottom:1px solid var(--line)}.canvas-top>div{flex:1;min-width:0}.eyebrow{color:var(--accent);font-size:9px;font-weight:700;letter-spacing:1.7px}h2{font-size:15px;letter-spacing:-.3px;margin:5px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.canvas-top select{width:100px;font-size:11px}#save-status{font-size:10px}.canvas-wrap{flex:1;position:relative;overflow:hidden;background-color:#111518;background-image:radial-gradient(#2a3034 .8px,transparent .8px);background-size:18px 18px;min-height:300px}canvas{width:100%;height:100%;display:block;touch-action:none}.tools{position:absolute;left:18px;top:18px;padding:5px;display:flex;flex-direction:column;gap:4px;background:#1c2227;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 20px #0004}.tools button{font-size:22px;width:38px;height:38px;padding:0;border-color:transparent;background:transparent}.tools button.active{color:var(--accent);background:#35432c}.tools span{border-top:1px solid var(--line);margin:3px}.zoom{position:absolute;bottom:22px;right:20px;display:flex;align-items:center;gap:8px;background:#1c2227;padding:4px;border:1px solid var(--line);border-radius:8px}.zoom button{border:0;background:transparent;padding:5px 10px}.zoom span{font-size:10px;min-width:35px;text-align:center}#canvas-hint{position:absolute;bottom:24px;left:20px;font-size:10px;color:var(--muted);pointer-events:none}footer{height:69px;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-top:1px solid var(--line);gap:12px}footer>span{font-size:10px;color:var(--muted)}footer>div{display:flex;align-items:center;gap:10px;font-size:10px}footer button{font-size:11px}footer>div button{border:0;background:none;padding:5px}.intro{font-size:11px;color:var(--muted);margin:0 0 15px;line-height:1.7}.wide{width:100%}#objects{margin:14px 0}.object-row{display:block;width:100%;text-align:left;margin:6px 0;font-size:11px}.object-row.active{border-color:#819c5c;background:#2a3426}.point-row{display:flex;align-items:center;gap:7px;margin:4px 0;border-radius:6px;padding:4px;border:1px solid transparent}.point-row.active{background:#283024;border-color:#4a5a3b}.point-row>button:first-child{background:transparent;border:0;text-align:left;flex:1;font-size:11px;padding:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.point-row .visibility{font-size:9px;padding:4px 6px}.point-row .remove{padding:2px 5px;border:0;background:none;color:var(--muted)}#keypoints{max-height:35vh;overflow:auto;margin:12px 0}.point-number{color:var(--accent);margin-right:9px;font-size:10px}#class-name{margin-bottom:20px}.subtle{background:transparent;font-size:10px;color:var(--muted)}.inspector-bottom{margin-top:auto;padding-top:24px;font-size:9px;color:var(--muted)}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin:0 3px 0 5px}.dot.occluded{background:#ffc570}.dot.missing{background:#637079}.tip{border:1px solid var(--line);border-radius:8px;padding:14px;margin-top:20px}.tip b{font-size:10px;color:#c1cbc9;font-weight:500}.tip p{margin-bottom:0;line-height:1.8}#empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:50px;pointer-events:none}#empty button{pointer-events:auto}.empty-icon{color:var(--accent);font-size:65px;line-height:1}.empty-features{margin-top:36px;color:#65716d;font-size:8px;letter-spacing:1.5px}h1{font-size:32px;letter-spacing:-1px;font-weight:550;margin-bottom:5px}#empty p{color:var(--muted);font-size:12px;line-height:1.9;margin-bottom:25px}dialog{background:#1c2227;color:var(--text);border:1px solid #424d55;border-radius:14px;padding:26px;width:440px;max-width:95vw;box-shadow:0 30px 120px #000a}dialog::backdrop{background:#080b0ecc;backdrop-filter:blur(5px)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-head h2{font-size:22px}.close{background:none;border:0;font-size:23px}label{display:block;font-size:12px;margin:15px 0}label input,label textarea,label select{display:block;margin-top:7px}label small{display:block;color:var(--muted);font-size:10px;margin:3px 0}.export-option{display:block;width:100%;text-align:left;padding:17px;margin:12px 0}.export-option b{display:block}.export-option span{float:right;color:var(--accent)}.export-option small{display:block;color:var(--muted);font-size:10px;margin-top:5px}dl{display:grid;grid-template-columns:1fr 1fr;font-size:11px;gap:15px}dd{margin:0;color:var(--muted)}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#34422a;border:1px solid #81945e;color:#efffe0;padding:12px 22px;border-radius:8px;display:none;z-index:10;max-width:80vw}@media(max-width:1100px){.app{grid-template-columns:195px minmax(280px,1fr) 230px}.workspace-label,.local{display:none}#canvas-hint{display:none}footer{padding:10px;gap:4px}footer>span{display:none}.canvas-top{padding:12px}#save-status{max-width:70px}}@media(max-width:760px){.app{grid-template-columns:160px minmax(280px,1fr);height:auto;min-height:calc(100vh - 76px)}.inspector{grid-column:1/-1;max-height:450px}.library{max-height:75vh}main{height:75vh}header{padding:0 12px;gap:8px}.header-right{gap:5px}.header-right button{font-size:10px}.brand>span{font-size:16px}.divider{display:none}.canvas-top select{width:75px}.canvas-top h2{font-size:12px}#save-status{display:none}.empty-features{display:none}h1{font-size:23px}#empty{padding:20px}.tools{left:8px;top:8px}}
/* Simple upload folders and export preview */
[hidden]{display:none!important}.image-groups{display:flex;flex-direction:column;gap:6px;margin:0 0 16px}.group-tab{display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:left;background:#20262b;border-color:transparent;font-size:11px;padding:12px 10px}.group-tab b{font-size:10px;background:#343e43;border-radius:4px;padding:1px 6px}.group-tab.active{border-color:#67874b;background:#2b3527;color:#d4f4ac}.group-tab.active b{background:#465c31;color:#e8ffd1}.list-empty{font-size:11px;color:var(--muted);text-align:center;padding:25px 8px;line-height:1.9}.list-empty b{display:block;color:#bec9c4;font-weight:500;margin-bottom:5px}#upload-progress{font-size:10px;color:var(--accent);padding:0 0 15px;overflow-wrap:anywhere}.upload{margin-bottom:14px}#advanced-setup{margin:20px 0;border-top:1px solid var(--line);padding-top:16px}summary{color:var(--muted);font-size:11px;cursor:pointer}#advanced-setup label{font-size:11px}#project-dialog{max-height:90vh}#add-point{margin-bottom:10px;color:var(--accent)}#export-dialog{width:840px;max-height:94vh;padding:26px;overflow:auto}.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}.export-settings label:first-child{margin-top:0}.export-notice{padding:13px;background:#293723;color:#d2edae;border:1px solid #4b6438;border-radius:8px;font-size:11px;line-height:1.8}.export-notice span{font-size:10px;color:#a4b990}.export-settings select{font-size:11px}.export-settings .intro{font-size:10px;margin:-4px 0 12px}.export-preview{background:#13191c;border:1px solid var(--line);border-radius:10px;padding:20px;min-width:0}.export-preview .tag{font-size:8px;white-space:nowrap}#export-summary{font-size:13px;color:#e6efdf;line-height:1.7;margin-bottom:15px}#export-summary small{display:block;font-size:10px;color:var(--muted)}#split-bar{display:flex;overflow:hidden;height:7px;border-radius:4px;background:#293039;margin-bottom:9px}#split-bar span{min-width:0;transition:width .2s}.split-train{background:#c5f277}.split-val{background:#7dbfff}.split-test{background:#d7a3f9}#split-counts{display:flex;gap:14px;flex-wrap:wrap;font-size:10px;color:#bfc9ce;margin-bottom:24px}#split-counts i{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:5px}#folder-preview{font:11px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace}.tree-row{display:flex;align-items:center;gap:6px;padding:5px 0;min-width:0}.tree-row .tree-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-row .tree-count{margin-left:auto;color:#9eaf9b;font-size:9px;white-space:nowrap}.tree-children{margin-left:9px;padding-left:15px;border-left:1px solid #354039}.tree-icon{flex-shrink:0;font-size:14px}.tree-file{color:#9eaab1}.tree-root{color:#d4e5c4;font-weight:600;margin-bottom:6px}#custom-splits{display:flex;gap:10px}#custom-splits label{margin:0 0 15px;flex:1;font-size:10px}#custom-splits input{padding:7px;width:100%}#export-warning{font-size:10px;line-height:1.7;color:#d8b979;margin:18px 0 0}.export-footer{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}#export-status{font-size:11px;color:var(--muted);line-height:1.7}.export-error{color:#ffb4a2!important}#export-dialog h2{white-space:normal}.export-footer button{white-space:nowrap}.canvas-top select{font-size:10px}#review{white-space:nowrap}@media(max-width:760px){.export-grid{grid-template-columns:1fr;gap:15px}#export-dialog{padding:18px}.export-preview{padding:15px}.group-tab{padding:9px 5px;font-size:10px}.export-footer{align-items:flex-start}.export-footer button{font-size:11px}.app{grid-template-columns:175px minmax(280px,1fr)}}