.admin-page{color:#17212b;box-sizing:border-box;background:#eef2f5;min-height:100vh;padding:32px;font-family:Inter,system-ui,sans-serif}.admin-header,.admin-section,.admin-login{max-width:1180px;margin:0 auto 18px}.admin-header{justify-content:space-between;align-items:center;display:flex}.admin-header h1,.admin-login h1{margin:0;font-size:28px}.admin-muted{color:#687784;margin:6px 0 0}.admin-section,.admin-login{background:#fff;border:1px solid #d8e0e6;border-radius:8px;padding:20px}.admin-login{max-width:420px;margin:12vh auto}.admin-login form{gap:8px;margin-top:20px;display:grid}.admin-login input,.upload-form input,.share-create input,.share-create select,.share-result input{font:inherit;border:1px solid #c7d1d9;border-radius:4px;min-width:0;padding:9px 10px}.admin-primary,.admin-icon-button,.danger-button{font:inherit;cursor:pointer;border:0;border-radius:4px;justify-content:center;align-items:center;gap:7px;padding:9px 13px;display:inline-flex}.admin-primary{color:#fff;background:#087ea4}.admin-primary:disabled{opacity:.55;cursor:wait}.admin-icon-button{color:#2c4654;background:#e8eef2}.danger-button{color:#a22;background:#fce7e7}.section-heading{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.section-heading h2{margin:0;font-size:18px}.section-heading span{color:#71808b;font-size:13px}.upload-form,.share-create,.share-result{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.upload-form progress{width:180px;height:8px}.share-result{margin-top:12px}.share-result input{flex:1;min-width:260px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;vertical-align:middle;border-bottom:1px solid #e6ebef;padding:11px 8px}th{color:#60717d;font-weight:600}.admin-table-wrap{overflow:auto}.empty-cell{text-align:center;color:#82909a;padding:24px}.admin-error{color:#a22;margin:12px 0 0}.admin-global-error{max-width:1180px;margin:0 auto}.admin-loading{text-align:center;color:#687784;padding:18vh 0}@media (width<=700px){.admin-page{padding:16px}.admin-header h1,.admin-login h1{font-size:23px}.admin-section{padding:14px}.upload-form>*,.share-create>*,.upload-form progress{width:100%}th,td{white-space:nowrap}.admin-icon-button,.danger-button{padding:8px 10px}}.admin-eyebrow{color:#087ea4;letter-spacing:.04em;margin:0 0 6px;font-size:12px;font-weight:700}.admin-notice{color:#176b4d;background:#e7f5ee;border:1px solid #b9e2cd;border-radius:6px;max-width:1180px;margin:0 auto 12px;padding:10px 14px}.admin-local-hint{color:#7a5b00;background:#fff7e2;border:1px solid #efd79a;border-radius:6px;max-width:1180px;margin:0 auto 18px;padding:8px 12px;font-size:13px}.section-actions{align-items:center;gap:10px;display:flex}.section-actions span{color:#71808b;font-size:13px}.hidden-input{display:none}.upload-dropzone{text-align:center;cursor:pointer;color:#60717d;border:2px dashed #c7d1d9;border-radius:8px;padding:30px 18px;transition:background .15s,border-color .15s}.upload-dropzone:hover,.upload-dropzone.dragging{color:#176b8c;background:#f2f8fb;border-color:#35a0c8}.upload-dropzone p{color:#2c4654;margin:10px 0 4px;font-weight:600}.upload-dropzone span{color:#82909a;font-size:13px}.upload-fields{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px;display:grid}.upload-fields label{color:#44535f;gap:6px;font-size:13px;display:grid}.upload-fields input,.admin-modal input,.admin-modal select,.share-form input,.share-form select{font:inherit;color:#17212b;border:1px solid #c7d1d9;border-radius:4px;min-width:0;padding:9px 10px}.field-label{justify-content:space-between;align-items:center;gap:8px;min-width:0;display:flex}.field-hint{color:#82909a;font-size:12px}.upload-actions{justify-content:flex-end;align-items:center;gap:12px;margin-top:16px;display:flex}.upload-actions progress{width:220px;height:8px}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:1180px;margin:0 auto 18px;display:grid}.stat-card{color:#687784;background:#fff;border:1px solid #d8e0e6;border-radius:8px;align-items:center;gap:14px;padding:18px;display:flex}.stat-card strong{color:#17212b;font-size:26px;line-height:1.1;display:block}.stat-card span{color:#82909a;font-size:13px}.stat-card.enabled strong{color:#1f7a57}.stat-card.disabled strong{color:#a04545}.model-name p{color:#17212b;margin:0;font-weight:600}.model-name span{color:#82909a;font-size:12px}.expiry-cell{align-items:center;gap:8px;min-width:180px;display:flex}.expiry-cell .permanent{color:#82909a}.center-cell{text-align:center}.center-cell strong{color:#17212b}.center-cell span{color:#82909a;margin-left:3px;font-size:12px}.status-switch{color:#60717d;cursor:pointer;font:inherit;background:#eef2f5;border:1px solid #c7d1d9;border-radius:999px;align-items:center;gap:7px;padding:4px 11px 4px 5px;font-size:13px;transition:background .15s,border-color .15s;display:inline-flex}.status-switch .switch-thumb{background:#fff;border-radius:50%;width:16px;height:16px;box-shadow:0 1px 2px #17212b40}.status-switch.on{color:#1f7a57;background:#e1f3ea;border-color:#a8dcc4}.status-switch.off{color:#a22;background:#f9ebea;border-color:#e7bdbd}.status-badge{border-radius:999px;align-items:center;padding:4px 9px;font-size:12px;font-weight:600;display:inline-flex}.status-badge.active{color:#1f7a57;background:#e1f3ea}.status-badge.revoked{color:#a22;background:#f9ebea}.action-group{flex-wrap:wrap;align-items:center;gap:7px;display:flex}.admin-secondary{color:#2c4654;font:inherit;cursor:pointer;background:#fff;border:1px solid #c7d1d9;border-radius:4px;justify-content:center;align-items:center;gap:6px;padding:8px 11px;display:inline-flex}.admin-secondary:hover{background:#eef4f7}.admin-secondary:disabled,.danger-button:disabled{opacity:.45;cursor:not-allowed}.admin-icon-button.small,.admin-secondary.small,.danger-button.small{padding:6px 9px;font-size:13px}.modal-backdrop{z-index:50;background:#0f192273;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.admin-modal{box-sizing:border-box;background:#fff;border-radius:10px;width:540px;max-width:100%;padding:22px;box-shadow:0 18px 50px #0f192240}.modal-heading{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.modal-heading h2{margin:0;font-size:19px}.modal-note{color:#687784;margin:14px 0 0;font-size:13px}.admin-modal label{color:#44535f;gap:6px;margin-top:14px;font-size:13px;display:grid}.modal-actions{justify-content:flex-end;gap:10px;margin-top:20px;display:flex}.share-result{align-items:center;gap:18px;margin-top:14px;display:flex}.share-qr-panel{color:#60717d;text-align:center;flex:0 0 220px;justify-items:center;gap:7px;font-size:12px;display:grid}.share-qr-code,.share-qr-placeholder{box-sizing:border-box;background:#fff;border:1px solid #d8e0e6;border-radius:6px;width:220px;height:220px}.share-qr-code{image-rendering:pixelated;display:block}.share-qr-placeholder{color:#82909a;place-items:center;font-size:13px;display:grid}.share-qr-panel small{color:#a22}.share-link-panel{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.share-link-panel input{flex:1;min-width:0}.share-form{gap:12px;margin-top:14px;display:grid}.processing-status{color:#60717d;gap:3px;font-size:12px;display:grid}.processing-status strong{color:#263746}.processing-status small{color:#a22;word-break:break-word;max-width:180px}.share-form label{color:#44535f;gap:6px;font-size:13px;display:grid}@media (width<=700px){.admin-local-hint{margin-bottom:12px}.stats-grid,.upload-fields{grid-template-columns:1fr}.upload-actions{flex-direction:column-reverse;align-items:stretch}.upload-actions progress{width:100%}.section-heading{align-items:flex-start}.section-actions{flex-wrap:wrap}.admin-modal{padding:16px}.share-result{flex-direction:column;align-items:stretch}.share-qr-panel{flex-basis:auto}.share-link-panel{flex-direction:column;align-items:stretch}.share-link-panel input,.share-link-panel button{width:100%}}:root{color:#1d3348;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--canvas:#d8ecff;--surface:#ffffffe0;--surface-raised:#fffffff5;--panel-soft:#ebf6ffeb;--panel-medium:#d7ebfaf5;--border:#4c7ea547;--text-main:#1d3348;--text-muted:#587089;--accent:#177fb5;--accent-soft:#177fb524;--button-border:#1d3348;--warning:#d6a54a;--shadow:0 12px 28px #0000003d;--radius-panel:6px;--radius-control:4px;background:#d8ecff;font-family:Segoe UI,Microsoft YaHei UI,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#app{height:100%;min-height:100%}body{background:var(--canvas);text-wrap:pretty;margin:0}button,input{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-shell{width:100%;height:100dvh;min-height:100dvh;overflow:hidden}.empty-state h2,.panel-header h2{letter-spacing:-.04em;margin:0;font-family:Avenir Next,IBM Plex Sans,sans-serif;font-weight:600}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.16em;margin:0 0 6px;font-size:.72rem}.subtitle,.empty-state p,.empty-copy,.helper-copy{color:var(--text-muted);margin:8px 0 0;line-height:1.65}.card-surface{background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}.toolbar-shell{width:fit-content;max-width:100%;position:relative}.toolbar{border-radius:var(--radius-panel);align-items:center;gap:3px;max-width:100%;padding:4px 6px;display:inline-flex;overflow:visible}.toolbar-walk-controls{border-radius:var(--radius-control);width:fit-content;color:var(--text-main);cursor:pointer;align-items:center;gap:8px;margin:8px 0 0 128px;padding:8px 12px;font-size:.82rem;display:flex}.toolbar-walk-controls input{accent-color:var(--accent);margin:0}.toolbar-button{border:1px solid var(--button-border);color:var(--text-main);border-radius:var(--radius-control);background:0 0;grid-template-rows:auto auto;grid-template-columns:auto auto;place-items:center;gap:2px 4px;min-width:58px;min-height:38px;padding:4px 7px;transition:transform .16s,background .16s,color .16s,opacity .16s;display:inline-grid}.toolbar-button:hover:not(:disabled){color:var(--accent);border-color:var(--accent);background:#177fb514}.toolbar-button.is-active{color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent);background:0 0}.toolbar-button:disabled{opacity:.58;cursor:not-allowed}.toolbar-button span{font-size:.76rem;font-weight:600}.toolbar-button__icon{grid-column:1/3;line-height:0}.toolbar-button__icon svg{width:15px;height:15px}.toolbar-button__suffix{opacity:.75;font-size:0}.toolbar-button.is-compact{grid-template-rows:auto;grid-template-columns:auto;gap:2px;min-width:40px;padding:4px}.toolbar-button.is-compact .toolbar-button__icon{grid-column:auto}.toolbar-combobox{display:inline-flex;position:relative}.toolbar-divider{background:var(--border);width:1px;height:34px}.toolbar-menu{border-radius:var(--radius-panel);z-index:12;gap:8px;width:min(320px,90vw);padding:10px;display:grid;position:absolute;top:calc(100% + 10px);left:0}.toolbar-menu__title{color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase;padding:6px 8px 2px;font-size:.78rem}.toolbar-menu__item{border:1px solid var(--button-border);color:var(--text-main);text-align:left;border-radius:var(--radius-control);background:0 0;gap:4px;padding:12px 14px;display:grid}.toolbar-menu__item strong{align-items:center;gap:6px;font-size:.92rem;display:inline-flex}.toolbar-menu__item span{color:var(--text-muted);font-size:.82rem;line-height:1.5}.toolbar-menu__item.is-active,.toolbar-menu__item:hover{border-color:var(--accent);background:#56d7bf1f}.toolbar-menu__settings{gap:6px;padding:8px 4px 2px;display:grid}.toolbar-menu__settings label{color:var(--text-main);cursor:pointer;align-items:center;gap:8px;font-size:.82rem;display:inline-flex}.toolbar-menu__settings input{width:15px;height:15px;accent-color:var(--accent);margin:0}.toolbar-menu--section{gap:3px;width:min(190px,90vw)}.toolbar-menu--measure{gap:6px;width:min(240px,90vw);max-height:min(60vh,560px);overflow-y:auto}.toolbar-measure-axis{border:1px solid var(--border);border-radius:var(--radius-control);gap:12px;margin:0;padding:8px;display:flex}.toolbar-measure-axis legend{color:var(--text-muted);padding:0 4px;font-size:.75rem}.toolbar-measure-axis label{color:var(--text-main);cursor:pointer;align-items:center;gap:4px;font-size:.8rem;display:inline-flex}.toolbar-measure-axis input{accent-color:var(--accent);margin:0}.toolbar-combobox--more .toolbar-menu{gap:3px;width:min(230px,90vw);left:auto;right:0}.toolbar-measure-actions{gap:8px;display:flex}.toolbar-menu--settings{gap:12px;width:min(300px,90vw)}.toolbar-menu__settings-group{border:0;gap:8px;margin:0;padding:0;display:grid}.toolbar-menu__settings-group+.toolbar-menu__settings-group{border-top:1px solid var(--border);padding-top:12px}.toolbar-menu__settings-group h3{color:var(--text-main);margin:0;font-size:.86rem;font-weight:700}.toolbar-menu__toggle{color:var(--text-main);cursor:pointer;justify-content:space-between;align-items:center;gap:16px;font-size:.82rem;display:flex}.toolbar-menu__toggle input{width:15px;height:15px;accent-color:var(--accent);margin:0}.toolbar-menu__subsettings{border-left:1px solid var(--border);gap:8px;margin-left:10px;padding-left:10px;display:grid}.toolbar-menu__range-label{color:var(--text-main);justify-content:space-between;align-items:center;gap:12px;font-size:.82rem;display:flex}.toolbar-menu__range-label output{color:var(--accent);font-variant-numeric:tabular-nums}.toolbar-menu__range{width:100%;accent-color:var(--accent);margin:0}.toolbar-section-menu__item{width:100%;color:var(--text-main);font:inherit;text-align:left;background:0 0;border:0;border-radius:4px;align-items:center;gap:8px;padding:8px;font-size:.82rem;display:flex}.toolbar-section-menu__item:hover:not(:disabled){color:var(--accent);background:#177fb514}.toolbar-section-menu__item.is-active{color:var(--accent);background:#177fb51f;font-weight:600}.toolbar-section-menu__item:disabled{opacity:.42;cursor:not-allowed}.workspace{width:100%;height:100%}.viewer-region{--mini-map-bottom:18px;background:linear-gradient(#fff 0%,#e6f4ff 42%,#a9d0f2 100%);border:0;width:100%;height:100dvh;position:relative;overflow:hidden}.viewer-tree-layer{z-index:8;pointer-events:none;width:44px;position:absolute;top:96px;bottom:18px;left:18px}.viewer-tree-layer.is-open{width:min(320px,100vw - 420px)}.viewer-region:has(.mini-map) .viewer-tree-layer.is-open{bottom:calc(var(--mini-map-bottom) + 224px)}.mini-map{left:18px;bottom:var(--mini-map-bottom);z-index:7;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#f0f8fceb;border:1px solid #13426047;border-radius:14px;flex-direction:column;width:248px;height:212px;display:flex;position:absolute;overflow:hidden;box-shadow:0 10px 26px #1d4a6738}.mini-map__header{color:#173b54;pointer-events:auto;background:#f0f8fcd1;border-bottom:1px solid #13426029;flex-direction:column;flex:none;gap:4px;padding:5px 10px 6px;font-size:.72rem;font-weight:700;display:flex}.mini-map__header-top{justify-content:space-between;align-items:center;min-height:17px;display:flex}.mini-map__hint{color:#688395;font-size:.62rem;font-weight:500}.mini-map__close{color:#31566e;cursor:pointer;background:#ffffffa6;border:1px solid #13426038;border-radius:5px;flex:none;place-items:center;width:19px;height:19px;margin:-1px -4px -1px 0;padding:0;display:grid}.mini-map__close:hover{color:#087fb5;border-color:#087fb5}.mini-map__controls{align-items:center;gap:6px;display:flex}.mini-map__grid-toggle{color:#173b54;white-space:nowrap;cursor:pointer;flex:none;align-items:center;gap:3px;font-size:.62rem;font-weight:500;display:inline-flex}.mini-map__grid-toggle input{accent-color:#087ea4;cursor:pointer;width:12px;height:12px;margin:0}.mini-map__level-select{color:#173b54;min-width:0;height:22px;font:inherit;background:#ffffffd1;border:1px solid #1342603d;border-radius:6px;flex:1 1 0;padding:0 5px;font-size:.65rem}.bim-grid-label{box-sizing:border-box;color:#075c78;text-align:center;pointer-events:none;background:#f0f8fceb;border:1px solid #087ea480;border-radius:999px;justify-content:center;align-items:center;min-width:24px;height:24px;padding:2px 5px;font:600 10px/1.2 sans-serif;display:inline-flex;box-shadow:0 1px 4px #173b5433}.bim-grid-label--mini-map{min-width:14px;height:14px;padding:0 2px;font-size:8px}.selection-toolbar__opacity{border-radius:8px;gap:8px;width:190px;padding:10px;font-size:12px;display:grid;position:absolute;top:calc(100% + 8px);right:0}.selection-toolbar__opacity label{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;display:flex}.selection-toolbar__opacity input{width:100%;accent-color:var(--accent);margin:0}.selection-toolbar__opacity>span{color:var(--text-muted)}.selection-toolbar__opacity>button{width:100%;font:inherit}.mini-map>div:last-child{flex:1;min-height:0;width:100%!important;height:auto!important}.viewer-tree-toggle{pointer-events:auto;border:1px solid var(--button-border);width:42px;height:42px;color:var(--text-main);background:0 0;border-radius:12px;place-items:center;display:grid}.viewer-tree-toggle:hover,.viewer-tree-toggle.is-active{color:var(--accent);border-color:var(--accent);background:#177fb514}.viewer-tree-layer .hierarchy-sidebar{pointer-events:auto;height:calc(100% - 50px);margin-top:8px}.hierarchy-sidebar{border-radius:20px;flex-direction:column;width:100%;min-width:280px;max-width:360px;height:100%;font-size:.82rem;display:flex;overflow:hidden}.hierarchy-sidebar__header{border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:flex-start;gap:12px;padding:14px 16px 10px;font-size:.86rem;display:flex}.hierarchy-sidebar__meta{color:var(--text-muted);white-space:nowrap;font-size:.8rem}.hierarchy-sidebar__body{gap:12px;padding:12px;display:grid;overflow:auto}.hierarchy-model{background:var(--panel-soft);border:1px solid #ffffff0d;border-radius:16px;gap:8px;padding:12px;display:grid}.hierarchy-model__title{color:var(--text-main);align-items:center;gap:8px;font-weight:700;display:flex}.hierarchy-node{gap:4px;display:grid}.hierarchy-node__row{grid-template-columns:26px 26px minmax(0,1fr);align-items:center;gap:4px;display:grid}.hierarchy-node__expander,.hierarchy-node__visibility{border:1px solid var(--button-border);color:var(--text-muted);background:0 0;border-radius:8px;place-items:center;width:26px;height:26px;display:grid}.hierarchy-node__expander:disabled{opacity:.3;cursor:default}.hierarchy-node__label{border:1px solid var(--button-border);min-width:0;color:var(--text-main);text-align:left;background:0 0;border-radius:8px;align-items:center;gap:8px;padding:5px 8px;display:inline-flex}.hierarchy-node__label:hover,.hierarchy-node__visibility:hover,.hierarchy-node__expander:hover{border-color:var(--accent);background:#177fb514}.hierarchy-node__kind{text-transform:uppercase;letter-spacing:.08em;color:var(--accent);background:#56d7bf1f;border-radius:999px;flex-shrink:0;padding:2px 6px;font-size:.68rem}.hierarchy-node__text{text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.hierarchy-node__children{gap:4px;display:grid}.viewer-canvas{isolation:isolate;border-radius:var(--radius-panel);background:linear-gradient(#fff 0%,#e6f4ff 42%,#a9d0f2 100%);min-width:0;min-height:0;position:absolute;inset:0;overflow:hidden}.viewer-main-scene{isolation:isolate}.settings-dialog-backdrop{z-index:30;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#19364c3d;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.settings-dialog{border-radius:var(--radius-panel);flex-direction:column;width:min(480px,100%);max-height:min(720px,100dvh - 40px);display:flex;overflow:hidden}.settings-dialog__header,.settings-dialog__footer{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.settings-dialog__footer{border-top:1px solid var(--border);border-bottom:0;flex-shrink:0;justify-content:flex-end;gap:8px}.settings-dialog__footer .ghost-button,.settings-dialog__footer .primary-button{min-height:42px;margin-top:0}.settings-dialog__close{border:1px solid var(--button-border);border-radius:var(--radius-control);width:32px;height:32px;color:var(--text-main);background:0 0;place-items:center;padding:0;display:grid}.settings-dialog__close:hover{color:var(--accent);border-color:var(--accent)}.settings-dialog__body{gap:18px;min-height:0;padding:16px;display:grid;overflow:auto}.settings-dialog__section{gap:10px;display:grid}.settings-dialog__section+.settings-dialog__section{border-top:1px solid var(--border);padding-top:16px}.settings-dialog__section h3{color:var(--text-main);margin:0;font-size:.92rem}.settings-dialog__toggle{color:var(--text-main);justify-content:space-between;align-items:center;gap:16px;font-size:.86rem;display:flex}.settings-dialog__toggle input{width:16px;height:16px;accent-color:var(--accent);margin:0}.settings-dialog__range-label{color:var(--text-muted);justify-content:space-between;font-size:.84rem;display:flex}.settings-dialog__range-label output{color:var(--text-main);font-weight:700}.settings-dialog input[type=range]{width:100%;accent-color:var(--accent)}.settings-dialog__subsettings{border-left:1px solid var(--border);gap:8px;margin-left:8px;padding-left:12px;display:grid}.annotation-dialog-backdrop{z-index:35;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#19364c52;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.annotation-dialog{flex-direction:column;width:min(920px,100%);max-height:calc(100dvh - 40px);display:flex;overflow:hidden}.annotation-dialog__header,.annotation-dialog__footer{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;display:flex}.annotation-dialog__header>div{gap:2px;display:grid}.annotation-dialog__header span{color:var(--text-muted);font-size:.8rem}.annotation-dialog__toolbar{border-bottom:1px solid var(--border);background:#e8f5ffad;align-items:center;gap:6px;padding:8px 16px;display:flex}.annotation-tool,.annotation-color{border-radius:var(--radius-control);width:34px;height:34px;color:var(--text-main);background:0 0;border:1px solid #0000;place-items:center;padding:0;display:grid}.annotation-tool:hover:not(:disabled),.annotation-tool.is-active{border-color:var(--accent);color:var(--accent);background:#1677ff1f}.annotation-tool:disabled{opacity:.38;cursor:not-allowed}.annotation-toolbar-divider{background:var(--border);width:1px;height:24px;margin:0 3px}.annotation-color{background:var(--annotation-color);border-radius:50%;width:24px;height:24px;margin:0 1px}.annotation-color.is-active{outline:2px solid var(--text-main);outline-offset:2px}.annotation-stage{background:var(--canvas);flex:1;place-items:center;min-height:0;display:grid;position:relative;overflow:hidden}.annotation-image-frame{width:min(100%, calc(min(60dvh, 620px) * var(--annotation-aspect)));height:auto;aspect-ratio:var(--annotation-aspect);position:relative}.annotation-image-frame>img,.annotation-image-frame>svg{object-fit:fill;width:100%;height:100%;display:block}.annotation-image-frame>svg{color:currentColor;touch-action:none;position:absolute;inset:0}.annotation-image-frame.is-text>svg{cursor:text}.annotation-image-frame:not(.is-text)>svg{cursor:crosshair}.annotation-text-input{z-index:1;background:#fffffff0;border:1px solid;border-radius:4px;min-width:120px;padding:3px 6px;font-weight:700;position:absolute;transform:translateY(-2px)}.annotation-dialog__footer{border-top:1px solid var(--border);border-bottom:0;justify-content:flex-end}.viewer-toolbar-layer{z-index:10;pointer-events:none;position:absolute;top:18px;left:18px;right:18px}.viewer-toolbar-layer .toolbar-shell{pointer-events:auto}.viewer-cube-layer{z-index:9;pointer-events:auto;position:absolute;top:0;right:18px}.view-cube{filter:drop-shadow(0 2px 4px #1d334833);border-radius:4px;width:100px;height:100px;overflow:hidden}.view-cube canvas{display:block}.selection-toolbar{border-radius:var(--radius-panel);pointer-events:auto;white-space:nowrap;align-items:center;gap:4px;padding:4px;display:inline-flex}.selection-toolbar__button{border:1px solid var(--button-border);color:var(--text-main);border-radius:var(--radius-control);background:0 0;justify-content:center;align-items:center;width:32px;height:32px;padding:0;display:inline-flex}.selection-toolbar__button:hover,.selection-toolbar__button.is-primary{border-color:var(--accent);background:#177fb514}.section-box-push-icon{pointer-events:auto;color:#172033;cursor:grab;background:#ffd166;border-radius:50%;place-items:center;width:32px;height:32px;font-size:20px;font-weight:800;display:grid;transform:rotate(-45deg);box-shadow:0 4px 16px #00000059}.selection-toolbar__divider{background:var(--border);width:1px;height:20px}.selection-toolbar__visibility{align-items:stretch;display:inline-flex;position:relative}.selection-toolbar__visibility-action{border:1px solid var(--button-border);border-radius:var(--radius-control) 0 0 var(--radius-control);width:32px;height:32px;color:var(--text-main);background:0 0;justify-content:center;align-items:center;display:inline-flex}.selection-toolbar__visibility-action:hover{color:var(--accent);background:#177fb514}.selection-toolbar__menu-toggle{border:1px solid var(--button-border);border-radius:0 var(--radius-control) var(--radius-control) 0;width:20px;color:var(--text-main);background:0 0;border-left:0}.selection-toolbar__menu-toggle:hover{color:var(--accent);background:#177fb514}.selection-toolbar__menu{z-index:2;border:1px solid var(--border);border-radius:var(--radius-panel);background:var(--surface-raised);min-width:132px;box-shadow:var(--shadow);padding:4px;position:absolute;top:calc(100% + 6px);left:0}.selection-toolbar__menu button{width:100%;color:var(--text-main);font:inherit;text-align:left;white-space:nowrap;background:0 0;border:0;border-radius:4px;align-items:center;gap:8px;padding:7px 8px;font-size:.78rem;display:flex}.selection-toolbar__menu button:hover{color:var(--accent);background:#177fb514}.section-box-push-icon.is-hover-hint{opacity:.8;transform:scale(.82)}.section-box-push-icon.is-locked{grid-template-columns:1fr 1.4fr;gap:1px}.section-box-push-icon.is-locked:active{cursor:grabbing}.section-plane-cut-icon{pointer-events:auto;color:#d99800;cursor:grab;background:0 0;border:1px solid #ffd166;border-radius:50%;place-items:center;width:44px;height:44px;display:grid;box-shadow:0 3px 12px #0000003d}.section-plane-cut-icon:hover,.section-plane-cut-icon.is-locked{color:#172033;background:#ffd166}.section-plane-cut-icon:active{cursor:grabbing}.viewer-panel-layer{z-index:8;pointer-events:none;width:min(360px,100vw - 36px);position:absolute;top:96px;bottom:18px;right:18px}.viewer-panel-layer .properties-panel{pointer-events:auto}.viewer-canvas{position:absolute;inset:0}.viewer-canvas canvas{display:block}.viewer-loading{color:var(--text-muted);letter-spacing:.06em;background:linear-gradient(#fffffff5,#a9d0f2f5);justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.empty-state{z-index:3;border-radius:22px;width:min(460px,100% - 56px);padding:24px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.empty-state .button--secondary{margin-left:10px}.session-status{z-index:7;max-width:min(360px,100vw - 100px);color:var(--text-main);border-radius:12px;padding:8px 12px;font-size:.76rem;position:absolute;top:140px;left:74px}.empty-state__icon{background:var(--accent-soft);width:56px;height:56px;color:var(--accent);border-radius:18px;justify-content:center;align-items:center;margin-bottom:14px;display:inline-flex}.button,.primary-button,.ghost-button,.mode-chip{border:1px solid var(--button-border);color:var(--text-main);background:0 0;border-radius:14px;padding:10px 14px;transition:color .16s,border-color .16s,background .16s}.primary-button{border-color:var(--button-border);color:var(--accent);align-items:center;gap:8px;margin-top:18px;font-weight:700;display:inline-flex}.button:hover:not(:disabled),.primary-button:hover:not(:disabled),.ghost-button:hover:not(:disabled),.mode-chip:hover:not(:disabled){color:var(--accent);background:#177fb514;border-color:#177fb552}.button:disabled,.primary-button:disabled,.ghost-button:disabled,.mode-chip:disabled{opacity:.52;cursor:not-allowed}.mode-chip.is-active{border-color:var(--accent);color:var(--accent);background:0 0}.loading-status-container{z-index:3;pointer-events:none;position:absolute;top:98px;left:22px}.navigation-overlay{z-index:3;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:absolute;bottom:22px;left:22px}.viewer-region:has(.mini-map) .navigation-overlay{bottom:250px}.navigation-hint-panel{border:1px solid var(--button-border);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);pointer-events:auto;background:#ffffff47;border-radius:16px;width:320px;padding:16px 16px 56px;position:relative}.navigation-hint-header{justify-content:space-between;align-items:center;gap:8px;display:flex}.navigation-hint-header .section-title{margin-bottom:0}.navigation-hint-collapse,.navigation-hint-toggle{border:1px solid var(--button-border);width:30px;height:30px;color:var(--text-main);background:#ffffff57;border-radius:9px;place-items:center;padding:0;display:grid}.navigation-hint-collapse{position:absolute;bottom:10px;left:10px}.navigation-hint-collapse:hover,.navigation-hint-toggle:hover{border-color:var(--accent);color:var(--accent)}.navigation-hint-toggle{pointer-events:auto;border-radius:12px;width:42px;height:42px}.navigation-hint-panel .section-title{color:#000000b8;margin-bottom:12px;font-size:.85rem}.navigation-hint-panel .metric-row span,.navigation-hint-panel .metric-row strong{color:#00000094;font-size:.75rem}.status-chip{pointer-events:auto;color:#000;-webkit-backdrop-filter:none;backdrop-filter:none;background:#fff;border:1px solid #000;border-radius:999px;align-items:center;gap:8px;padding:10px 14px;display:inline-flex}.status-chip.is-success,.status-chip.is-error,.status-chip.is-busy{color:#000}.spin{animation:1.1s linear infinite spin}.properties-panel{border:1px solid var(--border);border-radius:var(--radius-panel);background:var(--surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);flex-direction:column;gap:10px;width:100%;min-width:0;height:100%;padding:8px;font-size:.82rem;transition:width .18s,opacity .18s,transform .18s;display:flex;overflow:auto}.properties-panel.is-hidden{opacity:0;pointer-events:none;transform:translate(18px)}.panel-header{flex-shrink:0;gap:10px;padding:8px 4px 0;display:grid}.panel-header__top{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.panel-close{border:1px solid var(--button-border);border-radius:var(--radius-control);width:32px;height:32px;color:var(--text-main);background:0 0;flex:none;place-items:center;padding:0;display:grid}.panel-close:hover{border-color:var(--accent);color:var(--accent);background:#177fb514}.panel-tabs{flex-wrap:wrap;gap:4px;display:flex}.panel-tab{border:1px solid var(--button-border);border-radius:var(--radius-control);color:var(--text-muted);background:0 0;padding:6px 10px;font-size:.82rem;font-weight:700}.panel-tab.is-active{color:var(--accent);border-color:var(--accent);box-shadow:none;background:0 0}.panel-section{border-radius:var(--radius-panel);padding:14px}.section-title{align-items:center;gap:8px;margin-bottom:12px;font-weight:700;display:flex}.properties-panel.is-section-rotating{opacity:0;pointer-events:none;transform:translate(18px)}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.metric-card{border-radius:var(--radius-control);background:var(--panel-soft);border:1px solid #ffffff0d;flex-direction:column;gap:8px;padding:10px;display:flex}.metric-card__icon{color:var(--accent)}.metric-card__label,.metric-row span,.mode-group__label{color:var(--text-muted);font-size:.76rem}.metric-list{flex-direction:column;gap:12px;display:flex}.metric-list.compact{gap:8px}.metric-row{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.metric-row strong{text-align:right;word-break:break-word;max-width:62%}.mode-group{gap:10px;margin-top:16px;display:grid}.segmented-control{flex-wrap:wrap;gap:8px;display:flex}.slider-block{color:var(--text-main);gap:8px;margin-top:10px;display:grid}.slider-block input[type=range]{width:100%;accent-color:var(--accent)}.measure-badge{color:#ffd7d7;white-space:nowrap;background:#070e17db;border:1px solid #ff6b6b59;border-radius:999px;padding:8px 12px;font-size:.84rem;font-weight:700}.elevation-mark{color:#19364d;pointer-events:none;white-space:nowrap;justify-items:center;width:max-content;font-size:.82rem;font-weight:700;display:grid}.elevation-mark span{background:#fffffff0;border-radius:5px;padding:2px 7px;box-shadow:0 1px 5px #0819284d}.elevation-mark svg{width:84px;height:20px;overflow:visible}.elevation-mark path{fill:none;stroke:#ff5c5c;stroke-width:1.5px;vector-effect:non-scaling-stroke}.elevation-mark--preview{opacity:.8}.section-plane-list{gap:10px;display:grid}.model-tree{gap:10px;margin-top:12px;display:grid}.model-tree__item{background:var(--panel-soft);border:1px solid #ffffff0d;border-radius:8px;gap:10px;padding:12px;display:grid}.model-tree__file{grid-template-columns:18px minmax(0,1fr);align-items:start;gap:12px;display:grid}.model-tree__file input{accent-color:var(--accent);margin-top:2px}.model-tree__content{gap:4px;display:grid}.model-tree__content span{color:var(--text-muted);font-size:.76rem;line-height:1.5}.model-tree__children{gap:2px;min-width:0;display:grid}.model-tree-node__row{border:1px solid var(--button-border);width:100%;min-height:26px;color:var(--text);cursor:pointer;font:inherit;text-align:left;background:0 0;border-radius:6px;grid-template-columns:14px minmax(0,1fr) auto;align-items:center;gap:6px;display:grid}.model-tree-node__row:disabled{cursor:default}.model-tree-node__row:not(:disabled):hover{border-color:var(--accent);background:#177fb514}.model-tree-node__toggle{color:var(--text-muted);text-align:center}.model-tree-node__name{text-overflow:ellipsis;white-space:nowrap;font-size:.78rem;overflow:hidden}.model-tree-node__meta,.model-tree__levels{color:var(--text-muted);font-size:.76rem}.model-tree__levels{background:#ffffff0a;border-radius:6px;gap:2px;padding:8px 10px;display:grid}.model-tree__levels span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.section-plane-item{background:var(--panel-soft);border:1px solid #ffffff0d;border-radius:16px;padding:12px}.measurement-list{gap:10px;margin-top:14px;display:grid}.measurement-item{background:#ff5c5c14;border:1px solid #ff5c5c2e;border-radius:14px;gap:4px;padding:12px;display:grid}.measurement-item span{color:var(--text-muted);font-size:.82rem}.section-plane-item__header{justify-content:space-between;align-items:center;gap:12px;display:flex}.toggle-row{align-items:center;gap:10px;display:inline-flex}.toggle-row--block{margin-top:14px}.toggle-row input{accent-color:var(--accent)}.viewpoint-add-button{margin-top:0;margin-bottom:14px}.viewpoint-list{gap:12px;display:grid}.viewpoint-item{background:var(--panel-soft);border:1px solid #ffffff14;border-radius:16px;grid-template-columns:120px minmax(0,1fr);align-items:start;gap:12px;min-width:0;padding:10px;display:grid}.viewpoint-thumb{border:1px solid var(--button-border);background:var(--canvas);border-radius:12px;width:120px;height:68px;padding:0;overflow:hidden}.viewpoint-thumb img{object-fit:cover;width:100%;height:100%;display:block}.viewpoint-meta{gap:8px;min-width:0;display:grid}.viewpoint-name{box-sizing:border-box;border:1px solid var(--border);width:100%;min-width:0;color:var(--text-main);background:#fffffff0;border-radius:10px;padding:8px 10px}.viewpoint-name:focus{border-color:var(--accent);background:#fff;outline:none}.viewpoint-actions{gap:8px;display:flex}.ghost-button.danger{color:#ffb0b0;align-items:center;gap:6px;display:inline-flex}.drag-mask{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:20;background:#030a128a;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.drag-mask__panel{color:#ddfff6;background:#0a1422eb;border:1px dashed #56d7bf8c;border-radius:24px;align-items:center;gap:12px;padding:22px 28px;display:flex}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width<=1120px){.viewer-panel-layer{width:min(340px,100vw - 24px)}}@media (width<=768px){.viewer-toolbar-layer{top:12px;left:12px;right:12px;overflow:visible}.viewer-toolbar-layer::-webkit-scrollbar{height:4px}.viewer-toolbar-layer::-webkit-scrollbar-thumb{background:#177fb573;border-radius:999px}.viewer-tree-layer{top:76px;bottom:12px;left:12px}.viewer-cube-layer{top:88px;right:10px}.viewer-tree-layer.is-open{width:min(320px,100vw - 24px)}.toolbar-shell,.toolbar{width:fit-content;max-width:100%}.toolbar-button{min-width:64px;min-height:42px;padding-inline:7px}.toolbar-menu{width:min(320px,100vw - 24px);max-height:min(56dvh,440px);position:fixed;top:72px;left:12px;overflow-y:auto}.toolbar-menu--section{width:min(260px,100vw - 24px)}.viewer-region:has(.properties-panel:not(.is-hidden)){--mini-map-bottom:calc(min(42dvh, 420px) + 24px)}.viewer-region:not(:has(.mini-map)):has(.properties-panel:not(.is-hidden)) .viewer-tree-layer.is-open{bottom:var(--mini-map-bottom)}.viewer-region:has(.properties-panel:not(.is-hidden)) .navigation-overlay{bottom:calc(min(42dvh,420px) + 24px)}.viewer-region:has(.mini-map):has(.properties-panel:not(.is-hidden)) .navigation-overlay{display:none}.viewer-panel-layer{width:auto;height:min(42dvh,420px);max-height:min(42dvh,420px);inset:auto 12px 12px;overflow:hidden}.viewer-panel-layer .properties-panel{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:#177fb573 transparent;height:100%;overflow-y:auto}.viewer-panel-layer .properties-panel::-webkit-scrollbar{width:5px}.viewer-panel-layer .properties-panel::-webkit-scrollbar-thumb{background:#177fb573;border-radius:999px}.navigation-overlay{left:12px;bottom:max(12px, env(safe-area-inset-bottom))}.navigation-hint-panel{width:min(320px,100vw - 24px);padding:12px 12px 52px}.navigation-hint-panel .metric-row{grid-template-columns:58px minmax(0,1fr)}.navigation-hint-panel .metric-row strong{line-height:1.45}.navigation-hint-toggle{width:40px;height:40px}.empty-state{width:min(460px,100% - 32px)}.session-status{top:142px;left:64px}.loading-status-container{top:96px;left:16px}.viewpoint-item{grid-template-columns:1fr}.viewpoint-thumb{width:100%;height:132px}}@media (width<=430px) and (orientation:portrait){.toolbar{gap:2px;padding:4px}.toolbar-button{min-width:42px;min-height:44px;padding-inline:4px}.toolbar-button span{font-size:.7rem}.toolbar-button.is-compact{min-width:34px}.viewer-toolbar-layer{top:max(8px, env(safe-area-inset-top));left:max(8px, env(safe-area-inset-left));right:max(8px, env(safe-area-inset-right))}.viewer-cube-layer{top:70px;right:max(8px, env(safe-area-inset-right))}.viewer-tree-layer{top:68px;left:max(8px, env(safe-area-inset-left))}.toolbar-menu{top:66px;left:max(8px, env(safe-area-inset-left));width:min(320px,100vw - 16px)}.toolbar-menu--section{width:min(260px,100vw - 16px)}.view-cube{width:72px;height:72px}.viewer-panel-layer{left:max(8px, env(safe-area-inset-left));right:max(8px, env(safe-area-inset-right));bottom:max(8px, env(safe-area-inset-bottom));height:46dvh;max-height:46dvh}.viewer-region:has(.properties-panel:not(.is-hidden)){--mini-map-bottom:calc(46dvh + 20px)}.viewer-region:has(.properties-panel:not(.is-hidden)) .navigation-overlay{bottom:calc(46dvh + 20px)}.session-status{top:214px;left:8px}.navigation-overlay{left:max(8px, env(safe-area-inset-left));bottom:max(8px, env(safe-area-inset-bottom))}.navigation-hint-panel{width:min(300px,100vw - 16px);max-height:min(42dvh,300px);overflow-y:auto}.navigation-hint-panel .metric-row span,.navigation-hint-panel .metric-row strong{font-size:.7rem}}.viewer-region.is-face-selecting canvas{cursor:crosshair!important}
