:root{--bg: #0c0c0c;--panel: #141414;--border: #262626;--text: #d6d6d6;--dim: #7a7a7a;--accent: #f2f2f2}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;font-size:13px;overflow:hidden}#app{display:flex}#viewport{position:relative;flex:1;min-width:0}#viewport canvas{display:block}#drop{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;text-align:center;z-index:10}#drop.drag{background:#ffffff0a}#drop.drag .drop-inner{border-color:var(--accent)}.drop-inner{border:1px dashed var(--border);padding:48px 64px}.drop-inner h1{font-size:15px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px}.drop-inner p{margin:6px 0}.dim{color:var(--dim)}.small{font-size:11px;margin-top:14px}button.link{background:none;border:none;color:var(--accent);text-decoration:underline;cursor:pointer;font:inherit;padding:0}#model-name,#busy{position:absolute;top:12px;font-size:11px;color:var(--dim);letter-spacing:.04em;z-index:5;pointer-events:none}#model-name{left:14px}#busy{right:14px;color:var(--accent);animation:pulse 1s ease-in-out infinite}@keyframes pulse{50%{opacity:.35}}#info-btn{position:absolute;bottom:14px;right:14px;z-index:11;width:26px;height:26px;background:var(--panel);border:1px solid var(--border);border-radius:50%;color:var(--dim);font:italic 600 13px Georgia,serif;cursor:pointer}#info-btn:hover{color:var(--accent);border-color:var(--dim)}#info-dialog{background:var(--panel);border:1px solid var(--border);color:var(--text);max-width:440px;padding:28px 32px;position:relative}#info-dialog::backdrop{background:#0009}#info-dialog h2{font-size:15px;font-weight:600;letter-spacing:.02em;margin-bottom:4px}.info-subtitle{color:var(--dim);margin-bottom:18px}.info-authors{list-style:none;margin-bottom:18px}.info-authors li{display:flex;justify-content:space-between;gap:16px;padding:3px 0;border-bottom:1px solid var(--border)}.info-authors li span{color:var(--dim);text-align:right}.info-conf{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}.info-note{color:var(--dim);font-size:12px;line-height:1.5}#info-close{position:absolute;top:8px;right:10px;background:none;border:none;color:var(--dim);font-size:18px;cursor:pointer}#info-close:hover{color:var(--accent)}#panel{width:280px;flex-shrink:0;background:var(--panel);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow-y:auto}#panel h2{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);padding:14px 16px 10px}#panel section{border-bottom:1px solid var(--border);padding-bottom:12px}.axis-row{padding:4px 16px 10px}.axis-head{display:flex;align-items:center;gap:8px;padding:4px 0}.axis-head label{flex:1;cursor:pointer;-webkit-user-select:none;user-select:none;font-weight:600}.axis-controls{display:flex;align-items:center;gap:8px;padding-left:22px}.axis-row.disabled .axis-controls{opacity:.35;pointer-events:none}input[type=range]{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:2px;background:#333;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:10px;height:10px;background:var(--accent);cursor:pointer}input[type=range]::-moz-range-thumb{width:10px;height:10px;background:var(--accent);border:none;border-radius:0;cursor:pointer}input[type=number]{width:52px;background:var(--bg);border:1px solid var(--border);color:var(--text);font:inherit;padding:3px 5px;text-align:right}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none}input[type=number]{-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}input[type=number]:focus,input[type=range]:focus-visible{outline:1px solid var(--accent)}input[type=color]{width:18px;height:18px;border:1px solid var(--border);background:none;padding:0;cursor:pointer;flex-shrink:0}input[type=color]::-webkit-color-swatch-wrapper{padding:0}input[type=color]::-webkit-color-swatch{border:none}input[type=color]::-moz-color-swatch{border:none}input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:14px;border:1px solid var(--dim);background:var(--bg);cursor:pointer;flex-shrink:0;position:relative}input[type=checkbox]:checked{border-color:var(--accent)}input[type=checkbox]:checked:after{content:"";position:absolute;top:3px;right:3px;bottom:3px;left:3px;background:var(--accent)}.options-row{display:flex;align-items:center;gap:8px;padding:5px 16px}.options-row label{cursor:pointer;-webkit-user-select:none;user-select:none}#lock-btn{background:var(--bg);border:1px solid var(--border);color:var(--text);font:inherit;font-size:12px;padding:6px 10px;margin:4px 16px;cursor:pointer;width:calc(100% - 32px);text-align:left}#lock-btn:hover{border-color:var(--dim)}#lock-btn.active{border-color:var(--accent);color:var(--accent)}.perf-hint{color:var(--dim);font-size:11px;padding:2px 16px 0;display:none}.perf-hint.show{display:block}.hint{color:var(--dim);font-size:11px;padding:6px 16px 0}#stats{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;line-height:1.7;color:var(--dim);padding:4px 16px 0}#stats .v{color:var(--text)}#export-section{margin-top:auto;border-bottom:none!important}.export-btn{display:block;width:calc(100% - 32px);margin:4px 16px;background:var(--bg);border:1px solid var(--border);color:var(--text);font:inherit;padding:8px 10px;cursor:pointer;text-align:left}.export-btn:hover:not(:disabled){border-color:var(--accent)}.export-btn:disabled{opacity:.35;cursor:default}.export-btn:last-of-type{margin-bottom:16px}