:root{--material-bar-height: 172px;--bg-top: #f4efe7;--bg-bottom: #dce5ec;--panel-bg: rgba(252, 249, 244, .82);--panel-border: rgba(92, 72, 56, .14);--panel-shadow: 0 20px 50px rgba(52, 46, 38, .16);--text-main: #241d17;--text-soft: #6b6258;--accent: #bb5f33;--accent-strong: #8d4422;--line: rgba(71, 57, 45, .12);--viewport-fab-bg: rgba(255, 252, 248, .9);--viewport-fab-border: rgba(92, 72, 56, .16);--viewport-fab-shadow: 0 16px 32px rgba(52, 46, 38, .18);--viewport-fab-color: #8d4422;--viewport-fab-hover: rgba(255, 244, 236, .98)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Segoe UI,Noto Sans TC,sans-serif;color:var(--text-main);background:radial-gradient(circle at top left,rgba(255,255,255,.9),transparent 32%),linear-gradient(135deg,var(--bg-top),var(--bg-bottom))}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:linear-gradient(120deg,rgba(255,255,255,.22),transparent 40%),radial-gradient(circle at 85% 15%,rgba(187,95,51,.18),transparent 20%);pointer-events:none}#three-container{width:100%;height:100%}#app-shell{display:grid;grid-template-columns:minmax(0,1fr) 380px;grid-template-rows:minmax(0,1fr);grid-template-areas:"viewport side";gap:18px;height:100vh;padding:18px}#viewport-shell{grid-area:viewport;min-width:0;min-height:0;position:relative;overflow:hidden}#collab-remote-stage,#collab-overlay-layer{position:absolute;top:0;right:0;bottom:0;left:0;z-index:12;pointer-events:none}#collab-remote-stage[hidden]{display:none}#collab-remote-video{width:100%;height:100%;object-fit:contain;background:#0e0c0ae0}#collab-remote-label{position:absolute;left:18px;bottom:18px;padding:8px 12px;border-radius:999px;background:#191714c7;color:#fffaf4;font-size:12px;font-weight:700;letter-spacing:.04em}#collab-pointer-layer,#collab-marquee-layer{position:absolute;top:0;right:0;bottom:0;left:0}#collab-panel{display:grid;gap:12px;padding:0}.collab-panel-header,.collab-status-row,.collab-copy-row,.collab-actions,.collab-panel-grid,.collab-network-header,.collab-lan-item{display:flex;gap:10px}.collab-panel-header,.collab-status-row{align-items:center;justify-content:space-between}.collab-panel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.collab-eyebrow{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-strong)}.collab-title,.collab-subtitle{font-weight:700}.collab-subtitle{font-size:12px;color:var(--text-soft)}.collab-connection-pill{padding:7px 10px;border-radius:999px;background:#241d1714;color:var(--text-soft);font-size:12px;font-weight:700}.collab-connection-pill.is-connected{background:#3e7d4a24;color:#2f6d3f}.collab-connection-pill.is-reconnecting{background:#bb5f3324;color:var(--accent-strong)}.collab-field{display:grid;gap:6px;font-size:12px;color:var(--text-soft)}.collab-field input,.collab-field select,.collab-actions button,.collab-copy-row button,.collab-participant-action{min-height:38px;border-radius:12px;border:1px solid rgba(92,72,56,.18);background:#ffffffb8;color:var(--text-main);font:inherit}.collab-field input,.collab-field select{width:100%;padding:0 12px}.collab-actions{flex-wrap:wrap}.collab-session-actions{flex-wrap:nowrap}.collab-session-actions button{flex:1 1 0;min-width:0}.collab-actions button,.collab-copy-row button,.collab-participant-action{padding:0 12px;cursor:pointer}.collab-actions button:disabled,.collab-copy-row button:disabled,.collab-participant-action:disabled{opacity:.48;cursor:not-allowed}.collab-copy-row input{flex:1 1 auto}.collab-status-row{font-size:12px;color:var(--text-soft)}.collab-network-block{display:grid;gap:8px}.collab-network-header{align-items:center;justify-content:space-between;font-size:12px;font-weight:700;color:var(--text-soft)}.collab-network-header button,.collab-lan-copy{min-height:34px;padding:0 10px;border-radius:10px;border:1px solid rgba(92,72,56,.18);background:#ffffffb8;color:var(--text-main);font:inherit;cursor:pointer}.collab-lan-list{display:grid;gap:8px}.collab-lan-item{align-items:center;justify-content:space-between;padding:10px 12px;border-radius:14px;background:#ffffff9e;border:1px solid rgba(92,72,56,.12);font-size:12px}.collab-lan-meta{min-width:0;display:grid;gap:2px}.collab-lan-url{color:var(--text-main);overflow-wrap:anywhere}.collab-lan-tag{color:var(--text-soft);font-size:11px}.collab-activity-log,.collab-participant-list{display:grid;gap:8px}.collab-activity-log{max-height:160px;overflow:auto}.collab-log-item,.collab-participant-card{padding:10px 12px;border-radius:14px;background:#ffffff9e;border:1px solid rgba(92,72,56,.12);font-size:12px}.collab-participant-card{display:grid;gap:8px}.collab-participant-top,.collab-participant-actions{display:flex;align-items:center;justify-content:space-between;gap:8px}.collab-participant-meta{color:var(--text-soft)}.collab-pointer{position:absolute;width:16px;height:16px;margin-left:-8px;margin-top:-8px;border-radius:999px;border:2px solid rgba(255,255,255,.9);background:#bb5f33e0;box-shadow:0 0 0 10px #bb5f332e}.collab-pointer-label{position:absolute;top:12px;left:12px;padding:4px 8px;border-radius:999px;background:#191714d1;color:#fffaf4;font-size:11px;white-space:nowrap}.collab-marquee{position:absolute;border:1px dashed rgba(187,95,51,.9);background:#bb5f331f}body.collab-viewer-mode #three-container canvas{opacity:.15}body.collab-viewer-mode #collab-panel{opacity:.82}@media (max-width: 960px){.collab-panel-grid{grid-template-columns:1fr}}#performance-overlay{position:absolute;top:10px;right:28px;min-width:176px;padding:14px 16px;border-radius:16px;background:#fffcf8e0;border:1px solid rgba(92,72,56,.16);box-shadow:0 18px 36px #342e2629;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-main);z-index:18;pointer-events:auto}.performance-overlay-toggle{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0;border:0;background:transparent;color:inherit;cursor:pointer}.performance-overlay-title{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong)}.performance-overlay-chevron{color:var(--text-soft);font-size:12px;transition:transform .18s ease}.performance-overlay-metrics{margin-top:10px;display:grid;gap:6px}#performance-overlay:not(.is-expanded) .performance-overlay-metrics{display:none}#performance-overlay:not(.is-expanded) .performance-overlay-chevron{transform:rotate(-90deg)}.performance-overlay-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:12px}.performance-overlay-label{color:var(--text-soft)}.performance-overlay-value{font-variant-numeric:tabular-nums;font-weight:700}.language-inline-button{width:34px;height:34px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;padding:0;border:1px solid var(--viewport-fab-border);border-radius:999px;background:var(--viewport-fab-bg);box-shadow:var(--viewport-fab-shadow);color:var(--viewport-fab-color);font-size:12px;font-weight:800;letter-spacing:.04em;cursor:pointer;transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease}.language-inline-button:hover{transform:translateY(-1px);background:var(--viewport-fab-hover)}#model-loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#f4efe79e;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:20}#viewport-drop-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,rgba(255,255,255,.18),transparent 58%),#241d1729;border:2px dashed rgba(141,68,34,.48);border-radius:24px;z-index:19;pointer-events:none}#viewport-drop-overlay[hidden]{display:none}#viewport-drop-notice{position:absolute;top:20px;left:50%;transform:translate(-50%);max-width:min(520px,calc(100% - 32px));padding:12px 16px;border-radius:16px;background:#fffaf6f5;border:1px solid rgba(141,68,34,.22);box-shadow:0 18px 40px #342e2629;color:var(--accent-strong);font-size:13px;font-weight:600;text-align:center;z-index:21}#viewport-drop-notice[hidden]{display:none}#viewport-drop-picker{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#241d173d;z-index:22}#viewport-drop-picker[hidden]{display:none}.viewport-drop-picker-card{width:min(420px,calc(100% - 32px));max-height:min(70vh,560px);display:grid;gap:12px;padding:22px;border-radius:24px;background:#fffcf8fa;border:1px solid rgba(141,68,34,.18);box-shadow:0 24px 60px #342e2638}.viewport-drop-picker-title{font-size:18px;font-weight:700;color:var(--accent-strong)}.viewport-drop-picker-subtitle{font-size:13px;color:var(--text-soft)}#viewport-drop-picker-list{display:grid;gap:10px;max-height:min(42vh,320px);overflow-y:auto}.viewport-drop-picker-option,#viewport-drop-picker-cancel{width:100%;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:#ffffffdb;color:var(--text-main);text-align:left;cursor:pointer}.viewport-drop-picker-option:hover,#viewport-drop-picker-cancel:hover{border-color:#8d44223d;background:#fff7f1fa}.viewport-drop-picker-actions{display:flex;justify-content:flex-end}.viewport-drop-card{display:grid;justify-items:center;gap:8px;min-width:260px;padding:24px 28px;border-radius:22px;background:#fffcf8f0;border:1px solid rgba(141,68,34,.18);box-shadow:0 20px 50px #342e262e}.viewport-drop-title{font-size:18px;font-weight:700;letter-spacing:.04em;color:var(--accent-strong)}.viewport-drop-subtitle{font-size:13px;color:var(--text-soft)}#model-loading-overlay[hidden]{display:none}.model-loading-card{display:grid;justify-items:center;gap:14px;padding:22px 26px;border-radius:20px;background:#fcf9f4eb;border:1px solid var(--panel-border);box-shadow:var(--panel-shadow)}.model-loading-spinner{width:42px;height:42px;border-radius:50%;border:4px solid rgba(187,95,51,.18);border-top-color:var(--accent);animation:model-loading-spin .8s linear infinite}.model-loading-text{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong)}@keyframes model-loading-spin{to{transform:rotate(360deg)}}#side-panel{grid-area:side;min-width:0;min-height:0;align-self:stretch;height:100%}#model-info-panel,#material-bar{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:var(--panel-bg);border:1px solid var(--panel-border);box-shadow:var(--panel-shadow)}#model-info-panel{-webkit-backdrop-filter:none;backdrop-filter:none;background:#fffcf8}.panel-title{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-strong)}.panel-subtitle{margin-top:8px;font-size:13px;line-height:1.5;color:var(--text-soft)}.field-label{display:flex;flex-direction:column;gap:8px;margin-top:16px;font-size:13px;color:var(--text-soft)}#model-info-panel 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input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;margin-top:-6px;border:2px solid rgba(255,255,255,.9);border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-strong));box-shadow:0 4px 10px #8d44223d}#model-info-panel input[type=range]::-moz-range-track{height:8px;border-radius:999px;border:1px solid rgba(141,68,34,.12);background:linear-gradient(90deg,#bb5f3338,#8d442261)}#model-info-panel input[type=range]::-moz-range-thumb{width:18px;height:18px;border:2px solid rgba(255,255,255,.9);border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-strong));box-shadow:0 4px 10px #8d44223d}.range-field{display:flex;align-items:center;gap:10px}.range-field input[type=range]{flex:1}.range-field input[type=text]{width:72px;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:#ffffffb8;color:var(--text-main);text-align:right}#model-info-panel select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:#ffffffb8;color:var(--text-main)}.toggle-row{display:flex;align-items:center;gap:10px;margin-top:16px;padding:12px 14px;border-radius:14px;background:#ffffffa8;border:1px solid var(--line);font-size:14px}.toggle-row input{width:16px;height:16px;accent-color:var(--accent)}.wireframe-row{justify-content:space-between}.wireframe-toggle-label{display:inline-flex;align-items:center;gap:10px}.wireframe-toggle-label input{width:16px;height:16px}#editWireframeColor{width:42px;height:28px;padding:0;border:none;background:transparent;cursor:pointer}#render-status{margin-top:12px;padding:10px 12px;border-radius:12px;background:#241d170f;font-size:12px;color:var(--text-soft)}.hq-toggle-block{position:relative}.hq-toggle-overlay{position:absolute;top:-4px;right:-4px;bottom:-4px;left:-4px;display:flex;align-items:center;justify-content:center;padding:10px 12px;border-radius:14px;background:#f9f4efc7;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);color:#8d4422;font-size:12px;text-align:center;cursor:not-allowed;z-index:2}#hq-toggle-hint[hidden]{display:none}#model-info-panel{height:100%;padding:16px;border-radius:24px;overflow-y:auto;min-height:0}.panel-brand-slot{display:flex;align-items:center;justify-content:center;min-height:112px;margin-bottom:18px;padding:16px 18px;border-radius:20px;background:linear-gradient(180deg,#fffffff5,#f8f1ebeb);border:1px solid rgba(141,68,34,.12);box-shadow:inset 0 1px #ffffffe6}.panel-brand-logo{display:block;width:100%;max-width:320px;height:auto;object-fit:contain}.panel-tabs-header{margin-bottom:16px}.panel-tabs-header .panel-subtitle{margin-top:6px}.panel-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px}.panel-tab{padding:11px 12px;border:1px solid var(--line);border-radius:14px;background:#ffffff94;color:var(--text-soft);font-size:13px;font-weight:700;cursor:pointer}.panel-tab[data-tab-target=collab-tab]{grid-column:1 / -1}.panel-tab.is-active{background:var(--accent-strong);color:#fff7f1;border-color:transparent}.panel-tab-content{display:none}.panel-tab-content.is-active{display:block}.panel-section+.panel-section{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}.panel-section.is-collapsible{position:relative}.panel-section-content{min-width:0}.panel-section-toggle{position:absolute;top:8px;right:-2px;width:28px;height:28px;border:1px solid rgba(92,72,56,.16);border-radius:999px;background:#ffffffb8;color:var(--text-soft);font:inherit;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.panel-section-toggle span{transition:transform .18s ease}.panel-section.is-collapsed .panel-section-toggle span{transform:rotate(-90deg)}.panel-section-top .panel-subtitle{margin-top:8px}.panel-field{margin-top:14px}.panel-field-compact{margin-top:12px}.panel-toggle{margin-top:14px}.transform-mode-group{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:14px}.transform-mode-button{padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#ffffff9e;color:var(--text-soft);font-size:13px;font-weight:700;cursor:pointer}.transform-mode-button.is-active{background:var(--accent-strong);color:#fff7f1;border-color:transparent}#transform-panel{margin-top:12px;display:grid;gap:12px}#light-transform-panel{margin-top:14px;display:grid;gap:12px}#camera-panel,#camera-list-panel{margin-top:12px;display:grid;gap:12px}.camera-list-card{padding:12px;border-radius:14px;background:#ffffff94}.camera-list-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.camera-list-actions{display:flex;gap:10px}.camera-list-button{padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#ffffffb8;color:var(--text-main);font-size:13px;font-weight:700;cursor:pointer}.camera-list-button-small{padding:6px 8px;border-radius:10px;font-size:11px}.camera-list-grid{display:grid;gap:10px;margin-top:12px}.camera-list-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#ffffffb8}.camera-list-main{flex:1;text-align:left;border:none;background:transparent;padding:0;color:inherit;cursor:pointer}.camera-list-item.is-active{border-color:transparent;background:var(--accent-strong);color:#fff7f1}.camera-list-name{padding:0;border:none;background:transparent;text-align:left;font-size:13px;font-weight:700;color:inherit;cursor:text}.camera-list-meta{font-size:12px;color:var(--text-soft)}.camera-list-name-input{width:100%;padding:6px 8px;border-radius:10px;border:1px solid var(--line);background:#ffffffe6;color:var(--text-main);font-size:13px;font-weight:700}.camera-list-item.is-active .camera-list-meta{color:#fff7f1d1}.camera-list-item .camera-list-button:disabled{opacity:.45;cursor:not-allowed}#selection-geometry-info,#shadow-panel,#light-panel,#light-control-panel,#light-camera-profile-panel,.hdri-library-list{margin-top:12px;display:grid;gap:12px}#shadow-list{display:grid;gap:12px}.light-toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.light-empty{padding:12px;border-radius:14px;background:#ffffff94;border:1px dashed var(--line);font-size:13px;color:var(--text-soft)}.light-controls-grid{display:grid;gap:12px}.light-controls-card{padding:12px;border-radius:14px;background:#ffffff94}.hdri-library-list{grid-template-columns:repeat(2,minmax(0,1fr))}.hdri-library-item{display:grid;gap:10px;padding:10px;border-radius:16px;border:1px solid var(--line);background:#ffffffb8;color:var(--text-main);text-align:left;cursor:pointer;transition:border-color .14s ease,transform .14s ease,box-shadow .14s ease,background .14s ease}.hdri-library-item:hover{border-color:#8d44224d;background:#fff8f2f2;box-shadow:0 10px 24px #342e261f;transform:translateY(-1px)}.hdri-library-item.is-active{border-color:#8d44226b;background:#fff4ebfa;box-shadow:0 12px 28px #8d442229}.hdri-library-preview{aspect-ratio:16 / 9;display:flex;align-items:center;justify-content:center;overflow:hidden;border-radius:12px;background:linear-gradient(135deg,#ffffffeb,#ede2d9e0);border:1px solid rgba(141,68,34,.12);color:var(--accent-strong);font-size:28px;font-weight:700}.hdri-library-preview img{width:100%;height:100%;object-fit:cover;display:block}.hdri-library-meta{display:grid;gap:4px}.hdri-library-name{font-size:13px;font-weight:700;line-height:1.35;word-break:break-word}.hdri-library-type{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft)}.shadow-empty{padding:12px;border-radius:14px;background:#ffffff94;border:1px dashed var(--line);font-size:13px;color:var(--text-soft)}.geometry-info-card{padding:12px;border-radius:14px;background:#ffffff94}.geometry-info-title{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong)}.geometry-info-name{margin-top:6px;font-size:13px;color:var(--text-main);word-break:break-word}.geometry-info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:12px}.geometry-info-stat{padding:10px 12px;border-radius:12px;background:#ffffffb8}.geometry-info-stat-label{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft)}.geometry-info-stat-value{margin-top:4px;font-size:18px;font-weight:700;color:var(--text-main)}.geometry-info-meta{margin-top:10px;font-size:12px;color:var(--text-soft)}.transform-group{padding:12px;border-radius:14px;background:#ffffff94}.transform-group-title{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong)}.transform-settings-grid{display:grid;gap:10px;margin-top:10px}.transform-field{margin-top:0}.transform-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.transform-action-button{padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#ffffffb8;color:var(--text-main);font-size:13px;font-weight:700;cursor:pointer}.transform-action-button.is-active{background:var(--accent-strong);color:#fff7f1;border-color:transparent}.transform-hint{margin-top:10px;font-size:12px;color:var(--text-soft)}.transform-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:12px}.camera-limits-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:10px}.transform-axis{display:grid;gap:8px;padding:10px 12px 12px;border-radius:12px;border:1px solid rgba(71,57,45,.08);background:#ffffff75;font-size:12px;color:var(--text-soft)}.transform-axis span{font-size:11px;font-weight:700;letter-spacing:.08em;color:var(--accent-strong)}.transform-axis input{width:100%;padding:11px 12px;border-radius:12px;border:1px solid var(--line);background:#ffffffe0;color:var(--text-main)}.transform-empty{padding:12px 14px;border-radius:12px;background:#ffffff94;color:var(--text-soft);font-size:13px}.hq-settings{display:grid;gap:12px}.hq-settings-group{display:grid;gap:10px;padding:14px;border-radius:16px;background:#ffffff80;border:1px solid var(--line)}.hq-settings-title{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-strong)}.hq-settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 12px}.hq-settings-grid .field-label{margin-top:0}.hq-settings-grid .toggle-row{margin-top:0;min-height:44px}.field-hint{font-size:11px;color:var(--text-soft)}.hq-action-button{width:100%;padding:10px 12px;border:none;border-radius:12px;background:var(--accent-strong);color:#fff7f1;font-weight:700;cursor:pointer}.render-camera-selection{display:grid;gap:10px;padding:12px;border:1px solid var(--line);border-radius:14px;background:#ffffff9e}.render-camera-selection-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.render-camera-selection-actions{display:flex;gap:8px}.render-camera-selection-list{display:grid;gap:8px}.render-camera-selection-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:#ffffffc7;cursor:pointer}.render-camera-selection-item.is-active{border:1px solid rgba(203,106,59,.28)}.render-camera-selection-item input{width:16px;height:16px;accent-color:var(--accent-strong)}.render-camera-selection-info{min-width:0}.render-camera-selection-name{font-size:13px;font-weight:700;color:var(--text-main);word-break:break-word}.render-camera-selection-meta{margin-top:3px;font-size:12px;color:var(--text-soft)}.render-png-control-panel{display:grid;gap:10px}.render-png-control-panel .field-label,.render-png-control-panel #render-status{margin-top:0}.render-png-status{padding:10px 12px;border-radius:12px;background:#cb6a3b14;border:1px solid rgba(203,106,59,.16);font-size:12px;color:var(--accent-strong)}#three-container canvas+canvas{position:absolute;left:14px;bottom:14px;width:96px!important;height:96px!important;pointer-events:none}.export-frame-guide{position:absolute;border:2px solid rgba(187,95,51,.92);box-shadow:0 0 0 1px #ffffffe6 inset;pointer-events:none;z-index:4}.export-frame-guide-controls{position:absolute;left:10px;top:10px;display:inline-flex;align-items:center;gap:8px;pointer-events:auto}.export-frame-guide-label{padding:4px 8px;border-radius:999px;background:#fcf9f4e6;border:1px solid rgba(92,72,56,.18);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-strong);white-space:nowrap;pointer-events:none}.selection-marquee{position:absolute;border:1px solid rgba(187,95,51,.9);background:#bb5f331f;pointer-events:none;z-index:5}#mesh-list{margin-top:12px}.tree-empty{padding:12px 14px;border-radius:12px;background:#ffffff94;color:var(--text-soft);font-size:13px}#mesh-list ul{list-style:none;padding-left:16px;margin:0}#mesh-list li{margin:4px 0}.tree-row{display:flex;align-items:center;gap:8px;min-height:30px;padding:4px 6px;border-radius:10px;transition:background .2s ease}.tree-row:hover{background:#ffffff94}.tree-row.is-selected{background:#bb5f3329}.tree-toggle{width:20px;height:20px;padding:0;border:1px solid var(--line);border-radius:6px;background:#ffffffb8;color:var(--accent-strong);font-size:12px;font-weight:700;line-height:1;cursor:pointer}.tree-toggle.is-empty{opacity:0;pointer-events:none}.tree-visibility{width:28px;height:28px;padding:0;border:1px solid var(--line);border-radius:8px;background:#ffffffb8;color:var(--accent-strong);font-size:14px;line-height:1;cursor:pointer}.tree-visibility.is-hidden{color:var(--text-soft);opacity:.72}.tree-label{flex:1;border:0;background:transparent;padding:0;text-align:left;font-size:13px;color:var(--text-main);cursor:pointer}.tree-label:hover{color:var(--accent-strong)}#material-panel{margin-top:12px}#material-panel div{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:8px 0;padding:8px 10px;border-radius:12px;background:#ffffff94;font-size:13px}#material-panel div span{flex:1}#material-panel input[type=range]{width:120px;accent-color:var(--accent)}#material-panel input[type=color]{width:42px;height:28px;padding:0;border:none;background:transparent}#material-panel input[type=file]{max-width:150px;font-size:12px}#editMaterialViewMode{width:100%}#material-panel button{margin-top:12px;width:100%;padding:10px 12px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-strong));color:#fff7f1;font-weight:700;cursor:pointer}#material-bar{grid-area:viewport;align-self:end;justify-self:stretch;display:flex;flex-direction:column;align-items:stretch;gap:10px;min-height:0;height:var(--material-bar-height);margin:0 14px 14px;padding:12px 18px 16px;border-radius:22px;overflow-x:hidden;overflow-y:auto;position:relative;z-index:12;transition:height .22s ease,width .22s ease,padding .22s ease,margin .22s ease,border-radius .22s ease,transform .22s ease}#material-bar.is-resizing{transition:none}#material-bar .panel-title{min-width:max-content}.material-bar-header{display:flex;align-items:center;justify-content:space-between;gap:12px}#material-search-input{width:200px;max-width:48%;padding:9px 12px;border-radius:12px;border:1px solid var(--line);background:#ffffffc7;color:var(--text-main)}#material-search-input::placeholder{color:var(--text-soft)}#material-bar-resize-handle{width:100%;height:16px;margin:-4px 0 2px;padding:0;border:none;background:transparent;cursor:ns-resize;touch-action:none}#material-bar-resize-handle span{display:block;width:72px;height:5px;margin:5px auto 0;border-radius:999px;background:#47392d2e;transition:background .2s ease}#material-bar.is-collapsed{width:72px;height:72px;justify-self:center;align-self:end;margin:0 0 14px;padding:0;border-radius:999px;overflow:hidden;box-shadow:0 18px 36px #342e2638}#material-bar.is-collapsed .panel-title,#material-bar.is-collapsed .material-bar-header,#material-bar.is-collapsed .material-options-row{display:none}#material-bar.is-collapsed #material-bar-resize-handle{width:100%;height:100%;margin:0;display:grid;place-items:center;cursor:pointer;background:radial-gradient(circle at 30% 28%,rgba(255,255,255,.95),transparent 26%),linear-gradient(145deg,#fffffff5,#dbe2eaf2)}#material-bar.is-collapsed #material-bar-resize-handle span{width:34px;height:34px;margin:0;border-radius:999px;background:radial-gradient(circle at 35% 35%,#fffffffa,#bb5f33c7);box-shadow:inset 0 2px 6px #ffffff6b,0 8px 18px #8d44223d}#material-bar-resize-handle:hover span,#material-bar-resize-handle:focus-visible span{background:#bb5f3385}.material-options-row{display:flex;align-items:flex-start;align-content:flex-start;flex-wrap:wrap;gap:14px;overflow:visible;padding-bottom:4px}.material-option{width:96px;flex-shrink:0;padding:6px;border:1px solid transparent;border-radius:16px;background:#ffffffb3;cursor:pointer;-webkit-user-select:none;user-select:none;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.material-option img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px}.material-option span{display:block;margin-top:6px;font-size:11px;text-align:center;cursor:text;word-break:break-word}.material-option-name-input{display:block;width:100%;margin-top:6px;padding:4px 6px;border-radius:8px;border:1px solid var(--line);background:#ffffffeb;color:var(--text-main);font-size:11px;text-align:center}.material-option-context-menu{position:fixed;z-index:40;padding:8px;border-radius:12px;border:1px solid var(--line);background:#fffcf8f5;box-shadow:0 14px 28px #342e262e}.material-option-context-menu button{padding:8px 12px;border:none;border-radius:8px;background:var(--accent-strong);color:#fff7f1;font-weight:700;cursor:pointer}.material-option:hover{transform:translateY(-2px);border-color:#bb5f3373;box-shadow:0 14px 24px #5641311f}.material-option.selected{border-color:var(--accent);box-shadow:0 16px 26px #8d44222e}.material-option-add{border-style:dashed}@media (max-width: 1100px){#app-shell{grid-template-columns:minmax(0,1fr) 320px;grid-template-rows:minmax(0,1fr)}#model-info-panel{width:auto}#three-container canvas+canvas{width:80px;height:80px}}@media (max-width: 900px){body{overflow:auto}#app-shell{grid-template-columns:1fr;grid-template-rows:minmax(320px,52vh) auto;grid-template-areas:"viewport" "side";height:auto;min-height:100vh}#side-panel{height:auto}#material-bar{grid-area:viewport;height:min(42vh,280px);margin:0 12px 12px;overflow:visible}.material-options-row{overflow:visible}}@media (max-width: 420px){.hq-settings-grid,.transform-grid{grid-template-columns:1fr}}