@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap";.comment-marker{background:var(--bim-ui--color-main);color:#fff;padding:6px 12px;border-radius:16px;font-size:11px;font-weight:500;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap;max-width:160px;overflow:hidden;text-overflow:ellipsis;box-shadow:0 2px 8px #0000004d;pointer-events:auto}.comment-marker:hover{transform:scale(1.1);box-shadow:0 4px 16px #6c63ff80}.comment-marker.selected{background:var(--bim-ui--color-accent);transform:scale(1.15);box-shadow:0 4px 20px #ff6b6b80}.cluster-marker{background:var(--bim-ui--color-warning);color:#1a1a2e;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;cursor:pointer}#comments-panel{padding:8px;display:flex;flex-direction:column;gap:8px}.comment-topic-card{background:var(--bim-ui--bg-contrast-10);border-radius:var(--bim-ui--rounding-base);padding:12px;cursor:pointer;transition:background .15s ease,border-color .15s ease;border-left:3px solid var(--bim-ui--color-main)}.comment-topic-card:hover{background:var(--bim-ui--bg-contrast-20)}.comment-topic-card.selected{border-left-color:var(--bim-ui--color-accent);background:var(--bim-ui--bg-contrast-20)}.comment-topic-title{font-weight:600;font-size:13px;margin-bottom:4px;color:var(--bim-ui--bg-contrast-100)}.comment-topic-description{font-size:11px;color:var(--bim-ui--bg-contrast-60);margin-bottom:6px;line-height:1.4}.comment-topic-meta{display:flex;align-items:center;gap:8px;font-size:10px;color:var(--bim-ui--bg-contrast-60)}.comment-topic-actions{display:flex;gap:4px;margin-top:8px}.comment-topic-actions button{padding:4px 8px;font-size:10px;background:var(--bim-ui--bg-contrast-20);border:none;border-radius:4px;color:var(--bim-ui--bg-contrast-100);cursor:pointer;transition:background .15s ease}.comment-topic-actions button:hover{background:var(--bim-ui--bg-contrast-40)}.comment-topic-actions button.btn-delete:hover{background:var(--bim-ui--color-accent);color:#fff}.comment-reply{background:var(--bim-ui--bg-contrast-20);padding:8px;border-radius:4px;margin-top:8px;font-size:12px}.comment-reply-author{font-weight:500;color:var(--bim-ui--color-main);font-size:10px;margin-bottom:4px}.comment-reply-text{color:var(--bim-ui--bg-contrast-80);line-height:1.4}.comment-reply-date{font-size:9px;color:var(--bim-ui--bg-contrast-60);margin-top:4px}.reply-form{display:flex;gap:8px;margin-top:8px}.reply-form input{flex:1;padding:6px 10px;background:var(--bim-ui--bg-base);border:1px solid var(--bim-ui--bg-contrast-20);border-radius:4px;color:var(--bim-ui--bg-contrast-100);font-size:11px}.reply-form input:focus{outline:none;border-color:var(--bim-ui--color-main)}.reply-form button{padding:6px 12px;background:var(--bim-ui--color-main);border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:11px;transition:background .15s ease}.reply-form button:hover{background:#5a52d9}.comment-dialog{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bim-ui--bg-contrast-10);border:1px solid var(--bim-ui--bg-contrast-20);border-radius:12px;padding:24px;min-width:400px;max-width:90vw;z-index:1000;box-shadow:0 8px 32px #00000080}.comment-dialog::backdrop{background:#0009;backdrop-filter:blur(4px)}.comment-dialog h3{margin-bottom:20px;font-size:18px;color:var(--bim-ui--bg-contrast-100)}.comment-dialog input,.comment-dialog textarea,.comment-dialog select{width:100%;padding:12px;margin-bottom:12px;background:var(--bim-ui--bg-base);border:1px solid var(--bim-ui--bg-contrast-20);border-radius:6px;color:var(--bim-ui--bg-contrast-100);font-family:inherit;font-size:13px;transition:border-color .15s ease}.comment-dialog input:focus,.comment-dialog textarea:focus,.comment-dialog select:focus{outline:none;border-color:var(--bim-ui--color-main)}.comment-dialog input::placeholder,.comment-dialog textarea::placeholder{color:var(--bim-ui--bg-contrast-60)}.comment-dialog textarea{min-height:80px;resize:vertical}.comment-dialog .dialog-row{display:flex;gap:12px}.comment-dialog .dialog-row select{flex:1}.comment-dialog-buttons{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.comment-dialog-buttons button{padding:10px 20px;border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:13px;transition:background .15s ease,transform .1s ease}.comment-dialog-buttons button:active{transform:scale(.98)}.comment-dialog-buttons .btn-primary{background:var(--bim-ui--color-main);color:#fff}.comment-dialog-buttons .btn-primary:hover{background:#5a52d9}.comment-dialog-buttons .btn-secondary{background:var(--bim-ui--bg-contrast-20);color:var(--bim-ui--bg-contrast-100)}.comment-dialog-buttons .btn-secondary:hover{background:var(--bim-ui--bg-contrast-40)}.comment-topic-card.priority-high{border-left-color:var(--bim-ui--color-accent)!important}.comment-topic-card.priority-normal{border-left-color:var(--bim-ui--color-main)!important}.comment-topic-card.priority-low{border-left-color:var(--bim-ui--color-success)!important}.status-badge{display:inline-block;padding:2px 6px;border-radius:4px;font-size:9px;font-weight:600;text-transform:uppercase}.status-badge.status-open{background:var(--bim-ui--color-warning);color:#1a1a2e}.status-badge.status-in-progress{background:var(--bim-ui--color-main);color:#fff}.status-badge.status-resolved{background:var(--bim-ui--color-success);color:#1a1a2e}.status-badge.status-closed{background:var(--bim-ui--bg-contrast-40);color:#fff}.type-badge{display:inline-block;padding:2px 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ease}.rfi-card:hover{background:var(--bim-ui--bg-contrast-20)}.rfi-card-selected{background:var(--bim-ui--bg-contrast-20);border-left-width:4px}.rfi-card.rfi-priority-critical{border-left-color:#ef4444}.rfi-card.rfi-priority-high{border-left-color:#f97316}.rfi-card.rfi-priority-normal{border-left-color:#f59e0b}.rfi-card.rfi-priority-low{border-left-color:#22c55e}.rfi-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.rfi-number-badge{font-size:10px;font-weight:700;color:var(--bim-ui--color-main)}.rfi-status-badge{display:inline-block;padding:2px 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.loading{text-align:center;padding:16px;color:var(--bim-ui--color-main);font-size:12px}.tree-root{list-style:none;padding:0;margin:0}.tree-node{margin:0;padding:0}.tree-node-content{display:flex;align-items:center;gap:6px;padding:6px 8px;cursor:pointer;border-radius:4px;transition:background .15s ease;font-size:12px}.tree-node-content:hover{background:var(--bim-ui--bg-contrast-20)}.tree-node-content.selected{background:var(--bim-ui--color-main);color:#fff}.tree-expand{width:12px;text-align:center;font-size:8px;color:var(--bim-ui--bg-contrast-60);user-select:none;cursor:pointer}.tree-node.expandable .tree-expand:hover{color:var(--bim-ui--color-main)}.tree-icon{font-size:14px}.tree-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-type{font-size:10px;color:var(--bim-ui--bg-contrast-60);background:var(--bim-ui--bg-contrast-20);padding:2px 6px;border-radius:4px}.tree-node-content.selected 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ease-out;-webkit-appearance:none;appearance:none}.alp-status-filter:hover{border-color:var(--df-border-hover)}.installer-quick-widget{position:fixed;bottom:16px;left:50%;transform:translate(-50%) translateY(100px);z-index:915;width:calc(100% - 32px);max-width:480px;background:var(--df-glass);backdrop-filter:var(--df-glass-blur);-webkit-backdrop-filter:var(--df-glass-blur);border:var(--df-glass-border);border-radius:var(--df-radius-lg);box-shadow:var(--df-shadow-deep);padding:16px 20px;opacity:0;pointer-events:none;transition:transform .3s cubic-bezier(.4,0,.2,1),opacity .3s cubic-bezier(.4,0,.2,1)}.installer-quick-widget.visible{transform:translate(-50%) 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ease-out;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.quick-widget-install-btn:hover:not(:disabled){filter:brightness(1.1)}.quick-widget-install-btn:active:not(:disabled){transform:scale(.97)}.quick-widget-install-btn.completed{background:#22c55e26;color:var(--df-status-done);cursor:default}.quick-widget-icon-btn{width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:var(--df-bg-wash);border:1px solid var(--df-border);border-radius:var(--df-radius-md);color:var(--df-text-secondary);font-size:20px;cursor:pointer;flex-shrink:0;transition:all .2s ease-out;touch-action:manipulation}.quick-widget-icon-btn:hover{background:var(--df-bg-elevated);color:var(--df-text-primary);border-color:var(--df-border-hover)}@keyframes installSuccessGlow{0%{box-shadow:0 0 #22c55e80}50%{box-shadow:0 0 24px 8px #22c55e40}to{box-shadow:0 0 #22c55e00}}.quick-widget-install-btn.success-flash{animation:installSuccessGlow .4s 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var(--df-accent),0 0 12px var(--df-accent-glow)}@keyframes floatLabelIn{0%{opacity:0;transform:translate(-50%) translateY(4px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.floating-label-mark{font-family:var(--df-ff-mono);font-size:14px;font-weight:700;color:var(--df-text-primary);line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.floating-label-meta{display:flex;align-items:center;justify-content:center;gap:4px;margin-top:2px}.floating-label-type{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--df-accent);letter-spacing:.04em;background:#3b82f626;padding:1px 5px;border-radius:3px}.floating-label-grid{font-size:10px;font-weight:600;color:var(--df-text-muted);font-family:var(--df-ff-mono)}.floating-label-status{display:inline-block;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:1px 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.part-no{font-family:var(--df-ff-mono);font-weight:600;font-size:13px;color:var(--df-accent)}.connected-part-item .part-desc{font-size:12px;color:var(--df-text-secondary)}.connected-part-item .part-meta{font-size:12px;color:var(--df-text-muted)}.connected-nav-arrow{font-size:18px;color:var(--df-text-muted);flex-shrink:0}.install-checklist{padding:16px 20px;border-bottom:1px solid var(--df-border)}.checklist-progress{display:flex;align-items:center;gap:12px;margin-bottom:14px}.checklist-progress-bar{flex:1;height:6px;background:var(--df-border);border-radius:3px;overflow:hidden}.checklist-progress-fill{height:100%;background:var(--df-status-done);border-radius:3px;transition:width .4s ease-out}.checklist-progress-text{font-size:13px;font-weight:600;color:var(--df-text-secondary);min-width:40px;text-align:right;font-family:var(--df-ff-mono)}.checklist-item{display:flex;align-items:center;gap:12px;padding:10px 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.popup-nav-btn{display:block;width:100%;margin-top:8px;padding:8px;background:var(--inst-accent);color:#fff;border:none;border-radius:6px;font-size:12px;font-weight:500;cursor:pointer;font-family:var(--bim-ui--ff-base)}.pin-popup .popup-nav-btn:hover{background:var(--inst-accent-hover)}.map-pin-drop-overlay{position:absolute;inset:0;z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#080a12b3;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);pointer-events:none}.map-pin-drop-overlay .pin-drop-message{padding:24px 32px;background:#0f1219f2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(99,102,241,.3);border-radius:16px;color:var(--inst-text-primary);font-size:16px;font-weight:500;text-align:center;box-shadow:0 12px 48px #0009,0 0 0 1px #6366f11a inset;pointer-events:auto;animation:pinDropFadeIn .4s ease}@keyframes 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var(--df-radius-md);--bim-ui--rounding-xl: 14px;--bim-ui--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3), 0 1px 2px rgba(0, 0, 0, .2);--bim-ui--shadow-md: 0 4px 16px rgba(0, 0, 0, .35);--bim-ui--shadow-lg: 0 12px 40px rgba(0, 0, 0, .45);--bim-ui--shadow-glow: 0 0 0 2px rgba(59, 130, 246, .3);--bim-ui--border-subtle: 1px solid var(--df-border);--bim-ui--border-default: var(--df-glass-border);--bim-ui--border-strong: 1px solid rgba(255, 255, 255, .12);--bim-ui--transition-fast: .12s ease-out;--bim-ui--transition-normal: .2s ease-out;--bim-ui--transition-slow: .35s ease-out;--bim-ui--touch-target: 44px;--bim-ui--btn-height-sm: 28px;--bim-ui--btn-height-md: 36px;--bim-ui--btn-height-lg: 44px}html.light-theme{--bim-ui--bg-base: #ffffff;--bim-ui--bg-contrast-10: #f7f7f8;--bim-ui--bg-contrast-20: #eeeff1;--bim-ui--bg-contrast-40: #d1d5db;--bim-ui--bg-contrast-60: #9096a2;--bim-ui--bg-contrast-80: #555d6e;--bim-ui--bg-contrast-100: #1a1d24;--bim-ui--color-main: #2563eb;--bim-ui--color-main-hover: 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#0000000f}html.gallery-mode #icon-sidebar{background:#ffffffe6;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid rgba(0,0,0,.06)}html.gallery-mode .slide-panels{background:#fffffff2;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-right:1px solid rgba(0,0,0,.08)}html.gallery-mode #status-bar{background:#ffffffe6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid rgba(0,0,0,.06);box-shadow:0 -2px 12px #0000000a}html.gallery-mode #viewport{background:transparent}.df-glass{background:var(--df-glass);backdrop-filter:var(--df-glass-blur);-webkit-backdrop-filter:var(--df-glass-blur);border:var(--df-glass-border);box-shadow:var(--df-shadow-float)}@supports not (backdrop-filter: blur(1px)){.df-glass{background:var(--df-bg-surface)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;font-family:var(--df-ff-base);background:var(--df-bg-canvas);color:var(--df-text-primary)}#app{width:100%;height:100vh;height:100dvh;position:relative;overflow:hidden}#viewport{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--df-bg-canvas)!important;z-index:0}#viewport canvas{width:100%!important;height:100%!important;display:block;touch-action:none;cursor:grab;outline:none;-webkit-tap-highlight-color:transparent}#viewport canvas:active{cursor:grabbing}.panel-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000040;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:85;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.panel-overlay.active{opacity:1;visibility:visible}bim-toolbars-container{position:absolute;top:var(--bim-ui--space-3);left:50%;transform:translate(-50%);max-width:calc(100vw - 24px);overflow-x:auto;overflow-y:hidden;background:var(--bim-ui--gradient-surface);backdrop-filter:blur(20px) saturate(150%);-webkit-backdrop-filter:blur(20px) saturate(150%);border:var(--bim-ui--border-default);padding:var(--bim-ui--space-1) var(--bim-ui--space-2);border-radius:var(--bim-ui--rounding-xl);box-shadow:var(--bim-ui--shadow-md);display:flex;justify-content:center;z-index:100;scrollbar-width:none;-ms-overflow-style:none}bim-toolbars-container::-webkit-scrollbar{display:none}#main-toolbar{background:transparent;border-radius:0;box-shadow:none;border:none;padding:0;display:flex;align-items:center;gap:2px}bim-toolbar-section{border-right:1px solid rgba(255,255,255,.07);padding-right:var(--bim-ui--space-2);margin-right:var(--bim-ui--space-2);position:relative;display:flex;align-items:center;gap:2px}bim-toolbar-section:after{content:attr(label);position:absolute;bottom:-6px;left:50%;transform:translate(-50%);font-family:var(--bim-ui--ff-base);font-size:var(--bim-ui--fz-2xs);font-weight:var(--bim-ui--fw-medium);color:var(--bim-ui--bg-contrast-60);text-transform:uppercase;letter-spacing:1px;opacity:0;white-space:nowrap;pointer-events:none;transition:opacity var(--bim-ui--transition-fast)}bim-toolbars-container:hover bim-toolbar-section:after{opacity:.55}bim-toolbar-section:last-child{border-right:none;margin-right:0;padding-right:0}.toolbar-btn-primary{display:inline-flex;align-items:center;gap:var(--bim-ui--space-1);padding:var(--bim-ui--space-1) var(--bim-ui--space-3);height:var(--bim-ui--btn-height-md);background:var(--bim-ui--color-main);border:1px solid transparent;border-radius:var(--bim-ui--rounding-sm);color:#fff;font-size:var(--bim-ui--fz-sm);font-weight:var(--bim-ui--fw-semibold);font-family:var(--bim-ui--ff-base);cursor:pointer;transition:background var(--bim-ui--transition-fast),box-shadow var(--bim-ui--transition-fast),transform var(--bim-ui--transition-fast)}.toolbar-btn-primary input[type=file]{display:none}.toolbar-btn-primary iconify-icon{font-size:16px}.toolbar-btn-primary:hover{background:var(--bim-ui--color-main-hover);box-shadow:var(--bim-ui--shadow-glow);transform:scale(1.05)}.toolbar-btn-primary:active{transform:scale(.97)}.toolbar-btn-primary:focus-visible{box-shadow:var(--bim-ui--shadow-glow),0 0 0 3px #3b82f666}.view-btn-secondary{opacity:.55}.view-btn-secondary:hover{opacity:1}.toolbar-divider-sm{width:1px;height:20px;background:#ffffff0f;margin:0 var(--bim-ui--space-1);align-self:center;flex-shrink:0}.toolbar-section-end{margin-left:auto}bim-button{transition:background var(--bim-ui--transition-fast),color var(--bim-ui--transition-fast),box-shadow var(--bim-ui--transition-fast);border-radius:var(--bim-ui--rounding-sm)!important;position:relative}bim-button:hover{background:var(--bim-ui--bg-contrast-20)}bim-button:active{background:var(--bim-ui--bg-contrast-40);transition-duration:.05s}bim-button.active,bim-button[active]{background:var(--bim-ui--color-main-subtle)!important;color:var(--bim-ui--color-main)!important;box-shadow:inset 0 0 0 1px #3b82f633}bim-button:focus-visible{box-shadow:var(--bim-ui--shadow-glow)}.native-open-btn{display:inline-flex;align-items:center;gap:var(--bim-ui--space-2);padding:var(--bim-ui--space-2) var(--bim-ui--space-4);height:var(--bim-ui--btn-height-md);background:var(--bim-ui--color-main);border:1px solid transparent;border-radius:var(--bim-ui--rounding-sm);color:#fff;font-family:var(--bim-ui--ff-base);font-size:var(--bim-ui--fz-base);font-weight:var(--bim-ui--fw-semibold);cursor:pointer;transition:background var(--bim-ui--transition-fast),box-shadow var(--bim-ui--transition-fast);white-space:nowrap}.native-open-btn:hover{background:var(--bim-ui--color-main-hover);box-shadow:var(--bim-ui--shadow-glow)}.native-open-btn:active{transform:scale(.97)}.native-open-btn:focus-visible{box-shadow:var(--bim-ui--shadow-glow),0 0 0 3px #3b82f666}.native-open-btn input[type=file]{display:none}#properties-panel,.slide-panels,.properties-overlay{background:var(--bim-ui--gradient-surface);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--bim-ui--shadow-lg);overflow-y:auto;scrollbar-gutter:stable;transition:transform .3s cubic-bezier(.16,1,.3,1),opacity .25s ease-out}.slide-panels{border-right:var(--bim-ui--border-subtle)}.properties-overlay{border-left:var(--bim-ui--border-subtle)}bim-panel-section{border-bottom:1px solid var(--bim-ui--bg-contrast-20);transition:background var(--bim-ui--transition-fast)}bim-panel-section:hover{background:#ffffff03}bim-panel-section::part(header){padding:var(--bim-ui--space-3) var(--bim-ui--space-4);font-family:var(--bim-ui--ff-header);font-weight:var(--bim-ui--fw-semibold);font-size:var(--bim-ui--fz-sm);letter-spacing:.3px;transition:background var(--bim-ui--transition-fast)}bim-panel-section::part(header):hover{background:var(--bim-ui--bg-contrast-10)}bim-panel-section::part(content){padding:0 var(--bim-ui--space-3) var(--bim-ui--space-3)}#status-bar{position:absolute;bottom:var(--bim-ui--space-3);left:50%;transform:translate(-50%);display:flex;align-items:center;gap:1px;padding:2px var(--bim-ui--space-1);background:#0e0e11c7;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);color:var(--bim-ui--bg-contrast-80);font-size:var(--bim-ui--fz-xs);border:var(--bim-ui--border-subtle);border-radius:var(--bim-ui--rounding-lg);box-shadow:var(--bim-ui--shadow-sm);z-index:100;pointer-events:none}#status-bar span{display:flex;align-items:center;gap:var(--bim-ui--space-1);padding:3px var(--bim-ui--space-2);border-radius:var(--bim-ui--rounding-sm);white-space:nowrap}#fps-counter{min-width:54px;font-family:var(--bim-ui--ff-mono);font-size:var(--bim-ui--fz-2xs);color:var(--bim-ui--bg-contrast-60)}#fps-counter:before{content:"●";color:var(--bim-ui--color-success);font-size:6px;animation:pulse 2.5s ease-in-out infinite}#status-message{color:var(--bim-ui--bg-contrast-60);font-size:10px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}#selection-count{min-width:90px}#selection-count:before{content:"◉";color:var(--bim-ui--color-main);font-size:10px}#status-message{margin-left:auto;color:var(--bim-ui--color-success);font-weight:500;background:#34d39914!important;border:1px solid rgba(52,211,153,.12)}#status-message.loading{color:var(--bim-ui--color-warning);background:#d299221a!important;border-color:#d2992233;animation:statusPulse 1.5s infinite}@keyframes statusPulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-100%)}to{opacity:1;transform:translate(0)}}@keyframes pulseGlow{0%,to{box-shadow:0 0 8px #3b82f64d}50%{box-shadow:0 0 16px #3b82f699}}.properties-table{width:100%;border-collapse:collapse;font-size:var(--bim-ui--fz-sm);line-height:var(--bim-ui--lh-normal)}.properties-table thead th{position:sticky;top:0;background:var(--bim-ui--bg-contrast-10);padding:var(--bim-ui--space-1) var(--bim-ui--space-2);font-size:var(--bim-ui--fz-xs);font-weight:var(--bim-ui--fw-semibold);text-transform:uppercase;letter-spacing:.3px;color:var(--bim-ui--bg-contrast-60);border-bottom:var(--bim-ui--border-default);text-align:left;z-index:1}.properties-table tr:hover{background:#ffffff06}.properties-table td{padding:var(--bim-ui--space-1) var(--bim-ui--space-2);border-bottom:var(--bim-ui--border-subtle);vertical-align:top}.properties-table td:first-child{color:var(--bim-ui--bg-contrast-60);width:38%;font-weight:var(--bim-ui--fw-medium);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:0}.properties-table td:last-child{word-break:break-word}.properties-table td.numeric{text-align:right;font-family:var(--bim-ui--ff-mono);font-size:var(--bim-ui--fz-xs)}#model-info p{margin:4px 0;font-size:13px}#model-info strong{color:var(--bim-ui--bg-contrast-80)}#model-info .hint{color:var(--bim-ui--color-main);font-size:11px;margin-top:8px;text-align:center}.empty-state{text-align:center;padding:var(--bim-ui--space-5) var(--bim-ui--space-4);color:var(--bim-ui--bg-contrast-60);font-size:var(--bim-ui--fz-sm);background:transparent;border:1px dashed rgba(255,255,255,.08);border-radius:var(--bim-ui--rounding-base);margin:var(--bim-ui--space-3);line-height:var(--bim-ui--lh-normal)}#settings-panel{display:flex;flex-direction:column;gap:var(--bim-ui--space-3);padding:var(--bim-ui--space-2)}.settings-group{display:flex;flex-direction:column;gap:var(--bim-ui--space-1)}.settings-group label{font-size:var(--bim-ui--fz-sm);font-weight:var(--bim-ui--fw-medium);color:var(--bim-ui--bg-contrast-60);line-height:var(--bim-ui--lh-tight)}.settings-section{margin-bottom:var(--bim-ui--space-4)}.settings-section-title{font-size:var(--bim-ui--fz-xs);font-family:var(--bim-ui--ff-header);font-weight:var(--bim-ui--fw-semibold);text-transform:uppercase;letter-spacing:.5px;color:var(--bim-ui--bg-contrast-60);margin-bottom:var(--bim-ui--space-3);padding-bottom:var(--bim-ui--space-1);border-bottom:1px solid var(--bim-ui--bg-contrast-20)}.theme-options{display:flex;gap:var(--bim-ui--space-2);margin-top:var(--bim-ui--space-1)}.theme-option{flex:1;display:flex;flex-direction:column;align-items:center;gap:var(--bim-ui--space-1);padding:var(--bim-ui--space-3) var(--bim-ui--space-2);background:var(--bim-ui--bg-contrast-10);border:2px solid transparent;border-radius:var(--bim-ui--rounding-base);cursor:pointer;transition:background var(--bim-ui--transition-fast),border-color var(--bim-ui--transition-fast),color var(--bim-ui--transition-fast);font-family:var(--bim-ui--ff-base);font-size:var(--bim-ui--fz-xs);font-weight:var(--bim-ui--fw-medium);color:var(--bim-ui--bg-contrast-80)}.theme-option:hover{background:var(--bim-ui--bg-contrast-20);border-color:var(--bim-ui--bg-contrast-40)}.theme-option.active{background:var(--bim-ui--color-main-subtle);border-color:var(--bim-ui--color-main);color:var(--bim-ui--color-main);box-shadow:var(--bim-ui--shadow-glow)}.theme-option:focus-visible{box-shadow:var(--bim-ui--shadow-glow)}.theme-icon{font-size:20px}.settings-hint{font-size:var(--bim-ui--fz-2xs);color:var(--bim-ui--bg-contrast-60);margin-top:var(--bim-ui--space-2);font-style:italic}.dropzone-active{position:fixed;inset:0;background:#3b82f60f;border:2px dashed var(--bim-ui--color-main);pointer-events:none;z-index:100;display:flex;align-items:center;justify-content:center;animation:dropzoneAppear .15s ease-out}@keyframes dropzoneAppear{0%{opacity:0}to{opacity:1}}.dropzone-active:after{content:"Drop .ifc or .ifczip file here";font-size:var(--bim-ui--fz-xl);font-weight:var(--bim-ui--fw-medium);color:var(--bim-ui--color-main);background:var(--bim-ui--bg-base);padding:var(--bim-ui--space-4) var(--bim-ui--space-6);border-radius:var(--bim-ui--rounding-lg);border:var(--bim-ui--border-default);box-shadow:var(--bim-ui--shadow-md)}.toast-container{position:fixed;bottom:var(--bim-ui--space-8);right:var(--bim-ui--space-4);z-index:1000;display:flex;flex-direction:column-reverse;gap:var(--bim-ui--space-2);max-width:380px}.toast{display:flex;align-items:flex-start;gap:var(--bim-ui--space-2);padding:var(--bim-ui--space-3) var(--bim-ui--space-4);background:var(--bim-ui--bg-contrast-10);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--bim-ui--bg-contrast-100);border-radius:var(--bim-ui--rounding-base);border:var(--bim-ui--border-default);border-left:3px solid var(--bim-ui--color-main);box-shadow:var(--bim-ui--shadow-md);font-size:var(--bim-ui--fz-sm);line-height:var(--bim-ui--lh-normal);animation:toastSlideIn .2s ease-out;transition:opacity .2s ease,transform .2s ease}.toast.success{border-left-color:var(--bim-ui--color-success)}.toast.error{border-left-color:var(--bim-ui--color-accent)}.toast.warning{border-left-color:var(--bim-ui--color-warning)}.toast-dismiss{background:none;border:none;color:var(--bim-ui--bg-contrast-60);cursor:pointer;padding:var(--bim-ui--space-1);margin-left:auto;font-size:14px;border-radius:var(--bim-ui--rounding-xs);transition:color var(--bim-ui--transition-fast);flex-shrink:0}.toast-dismiss:hover{color:var(--bim-ui--bg-contrast-100)}@keyframes toastSlideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.loading-overlay{position:fixed;inset:0;background:#0a0a0cd9;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--bim-ui--space-4);z-index:200;animation:loadingFadeIn .3s ease-out .3s backwards}@keyframes loadingFadeIn{0%{opacity:0}to{opacity:1}}.loading-spinner{width:40px;height:40px;border:3px solid var(--bim-ui--bg-contrast-20);border-top-color:var(--bim-ui--color-main);border-radius:50%;animation:spin .8s linear infinite}.loading-text{font-size:var(--bim-ui--fz-sm);color:var(--bim-ui--bg-contrast-60);font-weight:var(--bim-ui--fw-medium)}.skeleton{background:linear-gradient(90deg,var(--bim-ui--bg-contrast-10) 0%,var(--bim-ui--bg-contrast-20) 50%,var(--bim-ui--bg-contrast-10) 100%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--bim-ui--rounding-xs)}.skeleton-text{height:12px;margin-bottom:var(--bim-ui--space-2)}.skeleton-text:last-child{width:60%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bim-ui--bg-contrast-40);border-radius:3px}*{scrollbar-width:thin;scrollbar-color:var(--bim-ui--bg-contrast-40) transparent}.measurement-label{position:absolute;background:var(--bim-ui--bg-contrast-20);color:var(--bim-ui--bg-contrast-100);padding:4px 8px;border-radius:4px;font-size:12px;pointer-events:none;white-space:nowrap}bim-button::part(tooltip){background:var(--bim-ui--bg-contrast-20);border:1px solid var(--bim-ui--bg-contrast-40);border-radius:6px;padding:8px 12px;box-shadow:0 4px 12px #0000004d}bim-table{width:100%;font-size:var(--bim-ui--fz-sm)}bim-table::part(row){border-bottom:1px solid var(--bim-ui--bg-contrast-20);transition:background var(--bim-ui--transition-fast)}bim-table::part(row):hover{background:#3b82f60a}bim-table::part(header-row){background:var(--bim-ui--bg-contrast-10);font-weight:var(--bim-ui--fw-semibold);font-size:var(--bim-ui--fz-xs);text-transform:uppercase;letter-spacing:.3px}#classifications-tree{padding:8px}#classifications-tree ul{list-style:none;padding-left:16px}#classifications-tree li{padding:4px 0;cursor:pointer;transition:color .15s ease}#classifications-tree li:hover{color:var(--bim-ui--color-main)}#models-list{padding:8px}.element-selected{outline:2px solid var(--bim-ui--color-main);outline-offset:-2px}@media(max-width:1280px){bim-toolbars-container{top:16px;padding:6px 8px}bim-button[label]{--bim-button--label-size: 0}bim-toolbar-section{padding-right:8px;margin-right:8px}#btn-bcf-export,#btn-bcf-import,#btn-shortcuts,#btn-export{display:none}bim-toolbar-group{display:none}.slide-panels{width:280px}.properties-overlay{width:300px}}@media(max-width:1024px){.slide-panels{width:280px}.properties-overlay{width:320px}bim-toolbar-section[label]:before{font-size:9px}}@media(max-width:768px){bim-toolbar-section[label]:before{display:none}bim-button[label]{--bim-button--label-size: 0}bim-toolbar-group{display:none}#status-bar{font-size:11px;gap:12px;padding:0 8px;height:28px}.slide-panels{width:260px}.properties-overlay{width:280px}#icon-sidebar{width:50px}#icon-sidebar.sidebar-expanded{width:180px}.sidebar-icon{height:48px;padding:0 10px}.sidebar-icon iconify-icon{font-size:24px}#app{grid-template-columns:50px 1fr}.slide-panels{left:50px}.toolbar-btn-primary span{display:none}.toolbar-btn-primary{padding:8px 12px}}@media(max-width:600px){html,body{overflow-x:hidden!important;max-width:100vw!important}#app{grid-template-areas:"header header" "main main" "icon-sidebar icon-sidebar"!important;grid-template-rows:auto 1fr 56px!important;grid-template-columns:1fr!important;max-width:100vw!important;overflow-x:hidden!important}bim-toolbars-container{position:absolute!important;top:0!important;left:0!important;right:0!important;transform:none!important;width:100%!important;max-width:100vw!important;border-radius:0 0 14px 14px!important;justify-content:flex-start!important;overflow-x:auto!important;overflow-y:hidden!important;-webkit-overflow-scrolling:touch;scroll-behavior:smooth;padding:4px 8px!important}bim-toolbar{flex-shrink:0!important;min-width:max-content!important;max-width:none!important;flex-wrap:nowrap!important;overflow-x:visible!important;padding:4px!important;gap:8px!important}bim-toolbar-section{flex-shrink:0!important}bim-toolbar-section bim-button{min-width:44px!important;padding:6px!important}bim-toolbar-section bim-button::part(label){display:none!important}.explode-control,#explode-slider-popup{display:none!important}.selection-context-bar{max-width:calc(100vw - 16px)!important;left:8px!important;right:8px!important;width:auto!important}.context-bar-center{flex-wrap:wrap!important;justify-content:center!important}#viewport{top:56px!important;bottom:56px!important;height:auto!important;max-width:100vw!important;overflow:hidden!important}main{max-width:100vw!important;overflow:hidden!important}#icon-sidebar,#icon-sidebar.sidebar-collapsed,#icon-sidebar.sidebar-expanded{grid-area:icon-sidebar!important;flex-direction:row!important;width:100%!important;height:56px!important;padding:4px 8px!important;border-right:none!important;border-top:1px solid var(--bim-ui--bg-contrast-20)!important;overflow-x:auto!important;overflow-y:hidden!important;justify-content:center!important;align-items:center!important;gap:0!important}.sidebar-group{flex-direction:row!important;gap:2px!important;flex-shrink:0}.sidebar-group:nth-child(3),.sidebar-group:nth-child(5){display:none!important}.sidebar-divider{width:1px!important;height:28px!important;margin:0 6px!important;flex-shrink:0}.sidebar-spacer{display:none!important}.sidebar-icon{flex-direction:column!important;height:auto!important;width:44px!important;min-width:44px!important;padding:4px 2px!important;gap:2px!important}.sidebar-icon iconify-icon{font-size:20px!important}.sidebar-label{font-size:8px!important;opacity:1!important;transform:none!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:40px}.sidebar-badge{top:0!important;right:2px!important;min-width:14px!important;height:14px!important;font-size:8px!important}.sidebar-toggle{display:none!important}#icon-sidebar .sidebar-icon:after{display:none!important}.slide-panels{inset:auto 0 56px!important;width:100%!important;height:62vh;max-height:calc(100dvh - 120px);border-right:none!important;border-top:1px solid var(--bim-ui--bg-contrast-20);border-radius:20px 20px 0 0;transform:translateY(100%)!important;transition:transform .35s cubic-bezier(.32,.72,0,1),opacity .3s ease,visibility .3s ease!important}.slide-panels.active{transform:translateY(0)!important;opacity:1;visibility:visible}.slide-panels:before{content:"";display:block;width:36px;height:4px;background:var(--bim-ui--bg-contrast-40);border-radius:2px;margin:10px auto 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6px!important;gap:4px!important}bim-toolbar-section{gap:2px!important}bim-button{min-width:40px!important;min-height:40px!important}bim-toolbar-section[label=View]{display:none}bim-toolbar-section[label=File],bim-toolbar-section[label=Tools],bim-toolbar-section[label=More]{display:flex}#btn-bcf-export,#btn-bcf-import,#btn-export,#btn-shortcuts,#btn-isolate,#btn-show-all,#btn-clear-tools{display:none!important}#btn-vr,#btn-ar{display:flex!important}.toolbar-btn-primary{padding:8px 10px;font-size:12px}.toolbar-btn-primary iconify-icon{font-size:20px}.toolbar-divider-sm{display:none}#status-bar{display:none!important;visibility:hidden!important;height:0!important;overflow:hidden!important;position:absolute!important;pointer-events:none!important}#status-bar 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.ar-action-btn{padding:14px 20px!important;min-height:50px!important;font-size:13px!important}.ar-actions{bottom:20px}}@media(max-width:600px),(hover:none)and (pointer:coarse){bim-toolbars-container{backdrop-filter:blur(8px) saturate(150%)!important;-webkit-backdrop-filter:blur(8px) saturate(150%)!important}.slide-panels,.properties-overlay{backdrop-filter:blur(8px)!important;-webkit-backdrop-filter:blur(8px)!important}.panel-overlay{backdrop-filter:none!important;-webkit-backdrop-filter:none!important;background:#00000080!important}*{scroll-behavior:auto!important}#viewport{position:absolute!important;inset:48px 0 56px!important;width:100%!important;height:calc(100dvh - 104px)!important;overflow:hidden!important}}@media(max-width:480px){bim-toolbars-container{padding:4px 6px}bim-toolbar{padding:2px 4px!important}#btn-load-demo,#btn-ortho,#btn-isolate,#btn-show-all,#btn-clear-tools{display:none!important}#icon-sidebar{height:52px;padding:2px 4px}.sidebar-icon{width:44px;padding:4px 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var(--bim-ui--bg-contrast-20)!important;overflow-y:auto!important;overflow-x:hidden!important;justify-content:flex-start!important}.sidebar-group{flex-direction:column!important}.sidebar-divider{width:auto!important;height:1px!important;margin:4px 6px!important}.sidebar-spacer{display:block!important;flex:1}.sidebar-icon{width:auto!important;flex-direction:row!important;padding:8px!important;height:40px!important}.sidebar-label{display:none!important}.slide-panels{left:52px!important;top:0!important;bottom:0!important;height:100%!important;width:280px;border-radius:0!important;border-top:none!important}.properties-overlay{top:0!important;bottom:0!important;height:100%!important;width:260px;border-radius:0!important;border-top:none!important}#status-bar{display:none!important;visibility:hidden!important;height:0!important;overflow:hidden!important;position:absolute!important}#status-bar *{display:none!important;visibility:hidden!important}.welcome-content{padding:20px 32px 32px;max-height:90vh;overflow-y:auto}.welcome-header{margin-bottom:16px}.welcome-logo .logo-icon{width:36px;height:36px;font-size:18px}.welcome-logo .logo-text{font-size:18px}.welcome-title{font-size:16px}.welcome-actions{flex-direction:row;margin-bottom:12px}.welcome-btn{padding:10px 16px;font-size:13px}bim-toolbar-section[label]:before{display:none}bim-button[label]{--bim-button--label-size: 0}.viewport-empty-state{position:fixed!important;inset:0!important;width:100vw!important;height:100vh!important}.empty-state-card{max-width:min(400px,90vw)!important;max-height:90vh!important;padding:24px 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ease}.mode-btn:hover:not(:disabled){background:var(--bim-ui--bg-contrast-20);color:var(--bim-ui--bg-contrast-100)}.mode-btn.active{background:var(--bim-ui--color-main);border-color:var(--bim-ui--color-main);color:#fff}.mode-btn:disabled{opacity:.5;cursor:not-allowed}.mode-icon{font-size:18px}.mode-label{font-size:10px}.measurement-controls{margin-bottom:12px}.btn-toggle-measure{width:100%;padding:10px;background:var(--bim-ui--bg-contrast-20);border:1px solid var(--bim-ui--bg-contrast-40);border-radius:6px;color:var(--bim-ui--bg-contrast-100);font-family:inherit;font-size:12px;cursor:pointer;transition:all .15s ease}.btn-toggle-measure:hover{background:var(--bim-ui--bg-contrast-40)}.btn-toggle-measure.active{background:var(--bim-ui--color-success);border-color:var(--bim-ui--color-success);color:#fff}.measurement-instructions{margin-top:12px;padding:12px;background:var(--bim-ui--bg-contrast-10);border-radius:8px;border-left:3px solid var(--bim-ui--color-main)}.instruction-step{display:flex;align-items:center;gap:10px;margin-bottom:8px}.instruction-step.active{animation:pulse-step 1.5s ease-in-out infinite}@keyframes pulse-step{0%,to{opacity:1}50%{opacity:.7}}.step-number{display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:var(--bim-ui--color-main);color:#fff;border-radius:50%;font-size:12px;font-weight:600}.step-text{font-size:12px;color:var(--bim-ui--bg-contrast-100)}.step-text strong{color:var(--bim-ui--color-main);font-weight:600}.instruction-hint{font-size:10px;color:var(--bim-ui--bg-contrast-60);padding-left:34px}.measurement-list{margin-bottom:12px}.measurement-list-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:8px;border-bottom:1px solid var(--bim-ui--bg-contrast-20);margin-bottom:8px}.measurement-list-header span{font-size:11px;color:var(--bim-ui--bg-contrast-60)}.btn-clear-all{padding:4px 8px;background:transparent;border:1px solid var(--bim-ui--bg-contrast-40);border-radius:4px;color:var(--bim-ui--bg-contrast-80);font-size:10px;cursor:pointer;transition:all .15s ease}.btn-clear-all:hover{background:var(--bim-ui--color-accent);border-color:var(--bim-ui--color-accent);color:#fff}.measurement-item{display:flex;align-items:center;gap:8px;padding:8px 10px;background:var(--bim-ui--bg-contrast-10);border-radius:6px;margin-bottom:4px}.measurement-icon{font-size:14px}.measurement-label{flex:1;font-size:12px;color:var(--bim-ui--bg-contrast-100)}.measurement-value{font-size:var(--bim-ui--fz-sm);font-weight:var(--bim-ui--fw-semibold);color:var(--bim-ui--color-main);font-family:var(--bim-ui--ff-mono);font-variant-numeric:tabular-nums}.btn-delete-measurement{background:transparent;border:none;color:var(--bim-ui--bg-contrast-60);cursor:pointer;font-size:12px;padding:4px;border-radius:4px;transition:all .15s 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svg{width:18px;height:18px}.preset-label{font-size:10px;font-weight:500}.section-box-control{padding:12px;background:var(--bim-ui--bg-contrast-10);border-radius:var(--df-radius-md);border:1px solid var(--df-border)}.btn-section-box{width:100%;display:flex;align-items:center;gap:10px;justify-content:center;padding:10px;background:var(--bim-ui--bg-contrast-20);border:1px solid var(--df-border);border-radius:var(--df-radius-sm);color:var(--bim-ui--bg-contrast-80);cursor:pointer;font-size:13px;font-weight:500;font-family:var(--df-ff-base);transition:all .2s cubic-bezier(.4,0,.2,1)}.btn-section-box svg{flex-shrink:0}.btn-section-box:hover{background:var(--bim-ui--bg-contrast-40);border-color:var(--bim-ui--color-main);transform:translateY(-1px)}.btn-section-box.active{background:linear-gradient(135deg,var(--bim-ui--color-warning),#f59e0b);border-color:transparent;color:#1a1a2e;font-weight:600;box-shadow:0 0 16px 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ease}.btn-clear-planes:hover{background:#ef44441a;border-color:var(--bim-ui--color-accent);color:var(--bim-ui--color-accent)}.planes-items{display:flex;flex-direction:column;gap:4px}.plane-item{background:var(--bim-ui--bg-contrast-10);border:1px solid var(--df-border);border-radius:var(--df-radius-sm);padding:8px 10px;transition:all .2s ease;animation:fadeInUp .2s ease-out}.plane-item:hover{background:var(--bim-ui--bg-contrast-20);border-color:var(--bim-ui--border-default)}.plane-item.disabled{opacity:.45}.plane-item-header{display:flex;align-items:center;justify-content:space-between}.plane-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;flex:1}.plane-toggle input[type=checkbox]{width:14px;height:14px;accent-color:var(--bim-ui--color-main);cursor:pointer}.plane-name{font-size:12px;font-weight:500;color:var(--bim-ui--bg-contrast-80)}.plane-actions{display:flex;gap:4px}.plane-actions button{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid transparent;border-radius:4px;color:var(--bim-ui--bg-contrast-60);cursor:pointer;transition:all .15s ease}.plane-actions button:hover{background:var(--bim-ui--bg-contrast-20);border-color:var(--df-border);color:var(--bim-ui--bg-contrast-100)}.btn-delete-plane:hover{color:var(--bim-ui--color-accent)!important;background:#ef44441a!important}.plane-offset-control{display:flex;align-items:center;gap:8px;margin-top:6px;padding-top:6px;border-top:1px solid var(--df-border)}.plane-offset-slider{flex:1;-webkit-appearance:none;appearance:none;height:4px;background:var(--bim-ui--bg-contrast-20);border-radius:2px;outline:none;cursor:pointer}.plane-offset-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:var(--bim-ui--color-main);border:2px solid var(--bim-ui--bg-contrast-10);cursor:pointer;box-shadow:0 1px 4px #0000004d;transition:transform .15s ease}.plane-offset-slider::-webkit-slider-thumb:hover{transform:scale(1.3)}.plane-offset-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--bim-ui--color-main);border:2px solid var(--bim-ui--bg-contrast-10);cursor:pointer}.plane-offset-value{font-size:10px;font-family:var(--df-ff-mono);color:var(--bim-ui--bg-contrast-60);min-width:42px;text-align:right}.clipper-empty{text-align:center;padding:32px 16px;color:var(--bim-ui--bg-contrast-60);display:flex;flex-direction:column;align-items:center}.clipper-empty p{margin:2px 0;font-size:12px}.clipper-empty .hint{font-size:11px;color:var(--bim-ui--color-main);margin-top:4px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.axis-indicator{position:absolute;bottom:60px;right:20px;width:100px;height:100px;pointer-events:auto;z-index:20;background:#0003;border-radius:50%;box-shadow:0 2px 8px #0003}.axis-indicator canvas{border-radius:50%}.layers-panel{display:flex;flex-direction:column;gap:8px}.layers-header{display:flex;justify-content:space-between;align-items:center;padding:4px 0}.layers-filter select,.layers-visibility-dropdown select{width:100%;padding:6px 8px;background:var(--bim-ui--bg-contrast-10);border:1px solid var(--bim-ui--bg-contrast-20);border-radius:4px;color:var(--bim-ui--bg-contrast-100);font-size:12px;cursor:pointer}.layers-actions{display:flex;gap:4px}.layers-action-btn{width:28px;height:28px;border:none;background:var(--bim-ui--bg-contrast-10);border-radius:4px;color:var(--bim-ui--bg-contrast-80);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}.layers-action-btn:hover{background:var(--bim-ui--bg-contrast-20)}.layers-search{padding:4px 0}.layers-search.hidden{display:none}.layers-search-input{width:100%;padding:var(--bim-ui--space-2);height:var(--bim-ui--btn-height-md);background:var(--bim-ui--bg-contrast-10);border:1px solid var(--bim-ui--bg-contrast-20);border-radius:var(--bim-ui--rounding-sm);color:var(--bim-ui--bg-contrast-100);font-size:var(--bim-ui--fz-sm);font-family:var(--bim-ui--ff-base);transition:border-color var(--bim-ui--transition-fast),box-shadow var(--bim-ui--transition-fast)}.layers-search-input:focus{outline:none;border-color:var(--bim-ui--color-main);box-shadow:0 0 0 3px #3b82f626}.layers-search-input::placeholder{color:var(--bim-ui--bg-contrast-40)}.layers-list{display:flex;flex-direction:column;gap:2px;max-height:400px;overflow-y:auto}.layer-item{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--bim-ui--bg-contrast-10);border-radius:4px;cursor:pointer;transition:background .15s}.layer-item:hover{background:var(--bim-ui--bg-contrast-20)}.layer-item.selected{background:var(--bim-ui--color-main);color:#fff}.layer-visibility-btn{width:24px;height:24px;border:none;background:transparent;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:14px;transition:all .15s}.layer-visibility-btn.visible{color:var(--bim-ui--color-main)}.layer-visibility-btn.hidden{color:var(--bim-ui--bg-contrast-40)}.layer-visibility-btn:hover{background:var(--bim-ui--bg-contrast-20)}.layer-icon{font-size:14px;width:20px;text-align:center}.layer-name{flex:1;font-size:12px;color:var(--bim-ui--bg-contrast-100);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.layer-count{font-size:10px;color:var(--bim-ui--bg-contrast-60);background:var(--bim-ui--bg-contrast-10);padding:2px 6px;border-radius:10px}.layer-menu-btn{width:20px;height:20px;border:none;background:transparent;border-radius:4px;cursor:pointer;color:var(--bim-ui--bg-contrast-60);font-size:12px;display:flex;align-items:center;justify-content:center}.layer-menu-btn:hover{background:var(--bim-ui--bg-contrast-20);color:var(--bim-ui--bg-contrast-100)}.layer-context-menu{background:var(--bim-ui--bg-base);border:1px solid var(--bim-ui--bg-contrast-20);border-radius:6px;box-shadow:0 4px 12px #0000004d;overflow:hidden;min-width:120px}.layer-menu-item{display:block;width:100%;padding:8px 12px;border:none;background:transparent;color:var(--bim-ui--bg-contrast-100);font-size:12px;text-align:left;cursor:pointer}.layer-menu-item:hover{background:var(--bim-ui--color-main);color:#fff}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent;border-radius:3px}::-webkit-scrollbar-thumb{background:var(--bim-ui--bg-contrast-40);border-radius:3px;border:1px solid transparent}::-webkit-scrollbar-thumb:hover{background:var(--bim-ui--bg-contrast-60)}.empty-state{text-align:center;padding:var(--bim-ui--space-5) var(--bim-ui--space-4);color:var(--bim-ui--bg-contrast-60);font-size:var(--bim-ui--fz-sm);line-height:var(--bim-ui--lh-normal)}.empty-state-icon{font-size:28px;margin-bottom:var(--bim-ui--space-3);opacity:.4;color:var(--bim-ui--bg-contrast-40)}.empty-state-title{font-size:var(--bim-ui--fz-base);font-weight:var(--bim-ui--fw-medium);color:var(--bim-ui--bg-contrast-80);margin-bottom:var(--bim-ui--space-1)}.empty-state-description{font-size:var(--bim-ui--fz-sm);color:var(--bim-ui--bg-contrast-60);margin-bottom:var(--bim-ui--space-3)}.hint{color:var(--bim-ui--color-main);font-size:var(--bim-ui--fz-xs);margin-top:var(--bim-ui--space-2);font-weight:var(--bim-ui--fw-medium)}*:focus-visible{outline:2px solid var(--bim-ui--color-main);outline-offset:2px;border-radius:var(--bim-ui--rounding-xs)}*:focus:not(:focus-visible){outline:none}.skip-link{position:absolute;top:-100%;left:var(--bim-ui--space-4);padding:var(--bim-ui--space-2) var(--bim-ui--space-4);background:var(--bim-ui--color-main);color:#fff;font-size:var(--bim-ui--fz-sm);font-weight:var(--bim-ui--fw-semibold);border-radius:var(--bim-ui--rounding-sm);z-index:99999;transition:top var(--bim-ui--transition-fast)}.skip-link:focus{top:var(--bim-ui--space-4)}.kbd{display:inline-block;padding:2px 6px;background:var(--bim-ui--bg-contrast-20);border:1px solid var(--bim-ui--bg-contrast-40);border-radius:var(--bim-ui--rounding-xs);font-family:var(--bim-ui--ff-mono);font-size:var(--bim-ui--fz-2xs);font-weight:var(--bim-ui--fw-medium);color:var(--bim-ui--bg-contrast-80);box-shadow:0 1px 0 var(--bim-ui--bg-contrast-40);line-height:1.4}#icon-sidebar,.icon-rail{display:flex;flex-direction:column;align-items:center;padding:8px 0;width:48px;height:calc(100vh - 24px);height:calc(100dvh - 24px);position:absolute;top:12px;left:12px;z-index:100;background:var(--df-glass);backdrop-filter:var(--df-glass-blur);-webkit-backdrop-filter:var(--df-glass-blur);border:var(--df-glass-border);border-radius:var(--df-radius-lg);box-shadow:var(--df-shadow-float);overflow:hidden;transition:opacity var(--df-transition-normal)}.installer-hidden{opacity:0!important;pointer-events:none!important;transition:opacity var(--df-transition-fast)!important}.rail-logo{display:flex;align-items:center;justify-content:center;width:32px;height:32px;margin-bottom:8px;flex-shrink:0}.rail-group{display:flex;flex-direction:column;align-items:center;gap:2px}.rail-separator{width:20px;height:1px;background:var(--df-border);margin:6px 0;flex-shrink:0}.rail-spacer{flex:1;min-height:12px}.rail-icon,.sidebar-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:none;border-radius:var(--df-radius-sm);cursor:pointer;transition:background var(--df-transition-fast),color var(--df-transition-fast);position:relative}.rail-icon iconify-icon{font-size:20px;color:var(--df-text-muted);transition:color var(--df-transition-fast)}.rail-icon:hover{background:#ffffff0f}.rail-icon:hover iconify-icon{color:var(--df-text-primary)}.rail-icon.active{background:var(--df-accent-glow);animation:pulseGlow 2s ease-in-out infinite}.rail-icon.active:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--df-accent);border-radius:1px;transition:width .3s cubic-bezier(.4,0,.2,1)}.rail-icon.active:hover:before{width:3px}.rail-icon.active iconify-icon{color:var(--df-accent);transition:color .3s cubic-bezier(.4,0,.2,1)}.rail-badge{position:absolute;top:2px;right:2px;min-width:14px;height:14px;padding:0 3px;background:var(--df-accent);border-radius:7px;font-size:9px;font-weight:600;color:#fff;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}.rail-badge:empty,.rail-badge[data-count="0"]{display:none}.sidebar-badge,.sidebar-label{display:none}.rail-icon:after{content:attr(title);position:absolute;left:calc(100% + 8px);padding:5px 10px;background:var(--df-bg-elevated);border:1px solid var(--df-border-hover);border-radius:var(--df-radius-sm);font-size:11px;font-weight:500;color:var(--df-text-primary);white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--df-transition-fast);transition-delay:.3s;z-index:1000;box-shadow:var(--df-shadow-float)}.rail-icon:hover:after{opacity:1;visibility:visible}.view-controls{position:absolute;top:12px;right:12px;z-index:100;display:flex;align-items:center;gap:2px;padding:4px;border-radius:var(--df-radius-pill)}.vc-btn{display:flex;align-items:center;justify-content:center;width:32px;height:28px;background:transparent;border:none;border-radius:var(--df-radius-sm);color:var(--df-text-muted);font-size:11px;font-weight:600;font-family:var(--df-ff-base);cursor:pointer;transition:background var(--df-transition-fast),color var(--df-transition-fast);letter-spacing:-.01em}.vc-btn iconify-icon{font-size:16px}.vc-btn:hover{background:#ffffff14;color:var(--df-text-primary)}.vc-btn.active{background:var(--df-accent-glow);color:var(--df-accent)}.vc-divider{width:1px;height:16px;background:var(--df-border);margin:0 2px}.cmd-palette{position:fixed;inset:0;z-index:2000;display:none;align-items:flex-start;justify-content:center;padding-top:20vh;background:#00000080}.cmd-palette.open{display:flex}.cmd-palette-dialog{width:520px;max-width:calc(100vw - 40px);max-height:60vh;background:var(--df-bg-surface);border:var(--df-glass-border);border-radius:var(--df-radius-lg);box-shadow:var(--df-shadow-deep);overflow:hidden;animation:cmdPaletteIn .15s ease-out}@keyframes cmdPaletteIn{0%{opacity:0;transform:scale(.95) translateY(-8px)}to{opacity:1;transform:scale(1) translateY(0)}}.cmd-palette-input{width:100%;padding:16px 20px;background:transparent;border:none;border-bottom:1px solid var(--df-border);color:var(--df-text-primary);font-size:16px;font-family:var(--df-ff-base);outline:none}.cmd-palette-input::placeholder{color:var(--df-text-muted)}.cmd-palette-list{max-height:calc(60vh - 60px);overflow-y:auto;padding:4px}.cmd-palette-recent-header{padding:8px 16px 4px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--df-text-muted)}.cmd-palette-item{display:flex;align-items:center;gap:12px;padding:8px 16px;border-radius:var(--df-radius-sm);cursor:pointer;transition:background var(--df-transition-fast)}.cmd-palette-item:hover,.cmd-palette-item.selected{background:#ffffff0f}.cmd-palette-icon{font-size:18px;color:var(--df-text-muted);flex-shrink:0}.cmd-palette-label{flex:1;font-size:13px;color:var(--df-text-primary)}.cmd-palette-shortcut{font-size:11px;font-family:var(--df-ff-mono);color:var(--df-text-muted);padding:2px 6px;background:var(--df-bg-elevated);border-radius:4px}.slide-panels{position:absolute;top:12px;left:72px;bottom:12px;max-height:calc(100dvh - 24px);width:320px;background:var(--df-glass);backdrop-filter:var(--df-glass-blur);-webkit-backdrop-filter:var(--df-glass-blur);border:var(--df-glass-border);border-radius:var(--df-radius-lg);box-shadow:var(--bim-ui--shadow-lg);z-index:1000;display:flex;flex-direction:column;transform:translate(-12px);opacity:0;transition:transform var(--bim-ui--transition-normal),opacity var(--bim-ui--transition-normal),visibility var(--bim-ui--transition-normal);visibility:hidden;overflow:hidden;pointer-events:none}.slide-panels.active{transform:translate(0);opacity:1;visibility:visible;pointer-events:auto}.slide-panel{display:none;flex-direction:column;height:100%;overflow:hidden}.slide-panel.active{display:flex}.slide-panel-header{padding:var(--bim-ui--space-3) var(--bim-ui--space-4);display:flex;align-items:center;justify-content:space-between;border-bottom:var(--bim-ui--border-default);flex-shrink:0;min-height:44px}.slide-panel-title{font-family:var(--bim-ui--ff-header);font-size:var(--bim-ui--fz-lg);font-weight:var(--bim-ui--fw-semibold);color:var(--bim-ui--bg-contrast-100);letter-spacing:-.01em;line-height:var(--bim-ui--lh-tight)}.slide-panel-close{width:var(--bim-ui--btn-height-sm);height:var(--bim-ui--btn-height-sm);display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--bim-ui--rounding-sm);color:var(--bim-ui--bg-contrast-60);font-size:14px;cursor:pointer;transition:background var(--bim-ui--transition-fast),color var(--bim-ui--transition-fast);flex-shrink:0}.slide-panel-close:hover{background:#f43f5e1a;color:var(--bim-ui--color-accent)}.slide-panel-close:focus-visible{box-shadow:var(--bim-ui--shadow-glow)}.slide-panel-content{flex:1;overflow-y:auto;padding:var(--bim-ui--space-3)}.properties-overlay{position:absolute;top:var(--bim-ui--space-4);right:var(--bim-ui--space-4);bottom:var(--bim-ui--space-3);max-height:calc(100dvh - 24px);width:360px;background:var(--bim-ui--gradient-surface);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:var(--bim-ui--border-default);border-radius:var(--bim-ui--rounding-xl);box-shadow:var(--bim-ui--shadow-lg);z-index:1000;display:flex;flex-direction:column;transform:translate(12px);opacity:0;transition:transform var(--bim-ui--transition-normal),opacity var(--bim-ui--transition-normal),visibility var(--bim-ui--transition-normal);visibility:hidden;pointer-events:none}.properties-overlay.active{transform:translate(0);opacity:1;visibility:visible;pointer-events:auto}.properties-overlay-header{padding:var(--bim-ui--space-3) var(--bim-ui--space-4);display:flex;align-items:center;justify-content:space-between;border-bottom:var(--bim-ui--border-default);min-height:44px;flex-shrink:0}.properties-overlay-title{font-family:var(--bim-ui--ff-header);font-size:var(--bim-ui--fz-lg);font-weight:var(--bim-ui--fw-semibold);color:var(--bim-ui--bg-contrast-100);letter-spacing:-.01em;line-height:var(--bim-ui--lh-tight)}.properties-overlay-btn{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--bim-ui--rounding-sm);color:var(--bim-ui--bg-contrast-60);font-size:13px;cursor:pointer;transition:background var(--bim-ui--transition-fast),color var(--bim-ui--transition-fast)}.properties-overlay-btn:hover{background:var(--bim-ui--bg-contrast-20);color:var(--bim-ui--bg-contrast-100)}.properties-overlay-close{width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--bim-ui--rounding-sm);color:var(--bim-ui--bg-contrast-60);font-size:16px;cursor:pointer;transition:background var(--bim-ui--transition-fast),color var(--bim-ui--transition-fast)}.properties-overlay-close:hover{background:#f43f5e1a;color:var(--bim-ui--color-accent)}.properties-overlay-content{flex:1;overflow-y:auto;padding:12px}.selection-context-bar{position:absolute;bottom:56px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--bim-ui--gradient-surface);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:var(--bim-ui--border-default);border-radius:var(--bim-ui--rounding-lg);box-shadow:var(--bim-ui--shadow-md);z-index:80;transition:opacity .2s ease,visibility .2s ease,transform .2s ease}.selection-context-bar.hidden{opacity:0;visibility:hidden;transform:translate(-50%) translateY(8px);pointer-events:none}.context-bar-left,.context-bar-right{display:flex;align-items:center}.context-bar-center{display:flex;align-items:center;gap:2px;padding:0 8px;border-left:var(--bim-ui--border-subtle);border-right:var(--bim-ui--border-subtle)}.context-selection-count{font-size:var(--bim-ui--fz-sm);font-weight:600;color:var(--bim-ui--color-main);padding:3px 10px;background:var(--bim-ui--color-main-subtle);border-radius:var(--bim-ui--rounding-xs)}.context-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:var(--bim-ui--rounding-sm);cursor:pointer;transition:background var(--bim-ui--transition-fast)}.context-btn .icon{font-size:15px}.context-btn:hover{background:var(--bim-ui--bg-contrast-20)}.context-btn:active{background:var(--bim-ui--bg-contrast-40)}#ctx-btn-deselect:hover{background:#f43f5e1f}.icon-btn-label{display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.icon-btn-label input[type=file]{display:none}.icon-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--bim-ui--bg-contrast-10);border-radius:var(--bim-ui--rounding-base);font-size:16px;transition:all var(--bim-ui--transition-fast)}.icon-btn:hover{background:var(--bim-ui--bg-contrast-20);transform:translateY(-1px)}bim-toolbar-section:after{display:none!important}#main-toolbar{padding:8px 16px;gap:4px}bim-toolbar-section{padding-right:14px;margin-right:14px;gap:6px}#main-toolbar bim-button{--bim-button--label-display: none;min-width:44px;min-height:44px;padding:8px;border-radius:10px;position:relative}#main-toolbar bim-button::part(label){display:none!important}#main-toolbar bim-button::part(icon){font-size:24px}#main-toolbar bim-button:hover{--bim-button--label-display: block}bim-toolbar-group{gap:4px}.toolbar-btn-primary{padding:10px 18px;font-size:14px;font-weight:600}.toolbar-btn-primary iconify-icon{font-size:22px}#viewport{position:relative;overflow:hidden}.steel-dashboard{padding:8px}.steel-summary{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.steel-stat-card{flex:1;min-width:90px;display:flex;align-items:center;gap:10px;padding:12px;background:var(--bim-ui--bg-contrast-10);border-radius:8px;transition:all .15s ease}.steel-stat-card:hover{background:var(--bim-ui--bg-contrast-20)}.steel-stat-card.primary{background:linear-gradient(135deg,#58a6ff26,#a371f726);border:1px solid rgba(88,166,255,.3)}.steel-stat-card .stat-icon{font-size:24px}.steel-stat-card .stat-content{display:flex;flex-direction:column}.steel-stat-card .stat-value{font-size:var(--bim-ui--fz-xl);font-weight:var(--bim-ui--fw-bold);color:var(--bim-ui--color-main);font-variant-numeric:tabular-nums;line-height:var(--bim-ui--lh-tight)}.steel-stat-card .stat-label{font-size:var(--bim-ui--fz-2xs);color:var(--bim-ui--bg-contrast-60);text-transform:uppercase;letter-spacing:.5px;font-weight:var(--bim-ui--fw-medium)}.steel-stat-card .stat-sub{font-size:9px;color:var(--bim-ui--bg-contrast-60);margin-top:2px;font-variant-numeric:tabular-nums}.steel-actions{display:flex;gap:4px;margin-bottom:16px}.btn-steel-action{flex:1;padding:10px 8px;background:var(--bim-ui--bg-contrast-10);border:1px solid var(--bim-ui--bg-contrast-20);border-radius:6px;color:var(--bim-ui--bg-contrast-100);font-family:inherit;font-size:11px;cursor:pointer;transition:all .15s ease;white-space:nowrap}.btn-steel-action:hover{background:var(--bim-ui--bg-contrast-20);border-color:var(--bim-ui--color-main)}.btn-steel-action:active{transform:scale(.98)}.steel-breakdown{background:var(--bim-ui--bg-contrast-10);border-radius:8px;padding:12px}.steel-breakdown h4{font-size:12px;font-weight:600;color:var(--bim-ui--bg-contrast-80);margin-bottom:12px}.breakdown-row{margin-bottom:8px}.breakdown-row:last-child{margin-bottom:0}.breakdown-header{display:flex;align-items:center;justify-content:space-between;padding:6px 0}.breakdown-toggle{display:flex;align-items:center;gap:8px;cursor:pointer;flex:1}.breakdown-toggle input[type=checkbox]{width:16px;height:16px;accent-color:var(--bim-ui--color-main)}.breakdown-stats{display:flex;align-items:center;gap:12px}.breakdown-weight{font-size:10px;color:var(--bim-ui--bg-contrast-60);background:var(--bim-ui--bg-contrast-20);padding:2px 6px;border-radius:4px}.steel-bar{background:linear-gradient(90deg,#ff9500,#ff6b00)!important}.no-steel-message{text-align:center;padding:20px;color:var(--bim-ui--bg-contrast-60)}.no-steel-message p{margin:4px 0}.no-steel-message .hint{font-size:11px;color:var(--bim-ui--color-main)}.modal-overlay{position:fixed;inset:0;background:#000000a6;display:flex;align-items:center;justify-content:center;z-index:10000;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:opacity var(--bim-ui--transition-normal)}.modal-overlay.hidden{display:none}.modal-content{background:var(--bim-ui--bg-contrast-10);border:var(--bim-ui--border-strong);border-radius:var(--bim-ui--rounding-xl);box-shadow:var(--bim-ui--shadow-lg);max-width:480px;width:90%;max-height:80vh;overflow:hidden;animation:modalSlideIn .15s ease-out;display:flex;flex-direction:column}@keyframes modalSlideIn{0%{transform:translateY(-16px) scale(.98);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--bim-ui--space-4) var(--bim-ui--space-5);border-bottom:var(--bim-ui--border-default);flex-shrink:0}.modal-header h2{margin:0;font-size:var(--bim-ui--fz-lg);font-weight:var(--bim-ui--fw-semibold);color:var(--bim-ui--bg-contrast-100);letter-spacing:-.01em;line-height:var(--bim-ui--lh-tight)}.modal-close{background:none;border:none;color:var(--bim-ui--bg-contrast-60);font-size:18px;cursor:pointer;padding:0;width:var(--bim-ui--btn-height-sm);height:var(--bim-ui--btn-height-sm);display:flex;align-items:center;justify-content:center;border-radius:var(--bim-ui--rounding-sm);transition:background var(--bim-ui--transition-fast),color var(--bim-ui--transition-fast);flex-shrink:0}.modal-close:hover{background:#f43f5e1a;color:var(--bim-ui--color-accent)}.modal-close:focus-visible{box-shadow:var(--bim-ui--shadow-glow)}.modal-body{padding:var(--bim-ui--space-5);overflow-y:auto;max-height:60vh}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:var(--bim-ui--space-2);padding:var(--bim-ui--space-3) var(--bim-ui--space-5);border-top:var(--bim-ui--border-subtle);flex-shrink:0}.shortcuts-modal .shortcut-section{margin-bottom:20px}.shortcuts-modal .shortcut-section:last-child{margin-bottom:0}.shortcuts-modal .shortcut-section h3{margin:0 0 12px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--bim-ui--color-main)}.shortcuts-modal .shortcut-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--bim-ui--bg-contrast-20)}.shortcuts-modal .shortcut-row:last-child{border-bottom:none}.shortcuts-modal kbd{display:inline-block;padding:3px 8px;font-family:var(--bim-ui--ff-mono);font-size:var(--bim-ui--fz-xs);font-weight:500;color:var(--bim-ui--bg-contrast-100);background:var(--bim-ui--bg-contrast-20);border:var(--bim-ui--border-strong);border-radius:var(--bim-ui--rounding-xs);box-shadow:0 1px 0 var(--bim-ui--bg-contrast-40);min-width:24px;text-align:center}.shortcuts-modal .shortcut-row 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iconify-icon{font-size:14px}.model-remove-btn{width:24px;height:24px;background:transparent;border:none;color:var(--bim-ui--bg-contrast-60);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .15s ease}.model-remove-btn:hover{background:var(--bim-ui--color-accent);color:#fff}.model-card-body{padding:12px}.model-name{font-size:13px;font-weight:500;color:var(--bim-ui--bg-contrast-100);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.model-stats{display:flex;align-items:center;gap:12px;font-size:11px;color:var(--bim-ui--bg-contrast-60);margin-bottom:12px}.model-stats span{display:flex;align-items:center;gap:4px}.model-stats iconify-icon{font-size:12px}.model-controls{display:flex;flex-direction:column;gap:10px}.model-visibility{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--bim-ui--bg-contrast-80);cursor:pointer}.model-visibility 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iconify-icon{font-size:13px}.federation-action-btn:hover{background:var(--bim-ui--bg-contrast-20);color:var(--bim-ui--bg-contrast-100)}.federation-action-btn:active{background:var(--bim-ui--bg-contrast-40)}.viewport-empty-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:10;transition:opacity .3s ease,visibility .3s ease}.viewport-empty-state.hidden{opacity:0;visibility:hidden;pointer-events:none}.empty-state-card{pointer-events:auto;background:#0e0e11e6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:var(--bim-ui--rounding-xl);padding:40px 48px;max-width:440px;text-align:center;box-shadow:var(--bim-ui--shadow-lg);border:var(--bim-ui--border-default);animation:cardFloat .3s ease-out}@keyframes cardFloat{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.empty-state-hero{margin-bottom:32px}.hero-icon-container{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;background:var(--bim-ui--color-main);border-radius:var(--bim-ui--rounding-xl);margin-bottom:16px}.hero-icon{font-size:32px;color:#fff}.hero-title{font-size:20px;font-weight:600;color:var(--bim-ui--bg-contrast-100);margin-bottom:6px;letter-spacing:-.02em}.hero-subtitle{font-size:14px;color:var(--bim-ui--bg-contrast-60);font-weight:400}.empty-state-dropzone{display:flex;flex-direction:column;align-items:center;gap:8px;padding:28px 32px;border:2px dashed var(--bim-ui--bg-contrast-40);border-radius:12px;margin-bottom:24px;cursor:pointer;transition:all .2s ease}.empty-state-dropzone:hover{border-color:var(--bim-ui--color-main);background:#58a6ff0d}.empty-state-dropzone.drag-over{border-color:var(--bim-ui--color-main);background:#58a6ff1f;transform:scale(1.02);box-shadow:0 0 20px 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iconify-icon{font-size:18px;color:var(--bim-ui--color-main);flex-shrink:0}.recent-name{flex:1;font-size:13px;color:var(--bim-ui--bg-contrast-100);text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-date{font-size:11px;color:var(--bim-ui--bg-contrast-60);flex-shrink:0}.empty-state-tips{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;font-size:12px;color:var(--bim-ui--bg-contrast-60)}.empty-state-tips iconify-icon{font-size:14px}.empty-state-tips kbd{display:inline-block;padding:3px 8px;background:var(--bim-ui--bg-contrast-20);border-radius:5px;font-size:11px;font-family:Monaco,Menlo,monospace;color:var(--bim-ui--color-main);border:1px solid var(--bim-ui--bg-contrast-40)}.ar-fallback-btn{display:flex;justify-content:center;pointer-events:auto}.ar-fallback-btn.hidden{display:none}.ar-fallback-btn button{padding:14px 28px;background:#58a6ffe6;color:#fff;font-size:16px;font-weight:700;border:none;border-radius:32px;cursor:pointer;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 0 24px #58a6ff99;animation:fallbackPulse 2s ease-in-out infinite}@keyframes fallbackPulse{0%,to{box-shadow:0 0 16px #58a6ff80}50%{box-shadow:0 0 32px #58a6ffe6}}@media(max-width:600px){.viewport-empty-state{top:56px!important;bottom:56px!important;height:auto!important;align-items:flex-start;padding-top:16px;overflow-y:auto}.empty-state-card{max-width:calc(100vw - 24px)!important;width:100%;padding:24px 20px!important;border-radius:16px!important;margin:0 auto}.empty-state-hero{margin-bottom:20px!important}.hero-icon-container{width:56px!important;height:56px!important;border-radius:14px!important;margin-bottom:14px!important}.hero-icon{font-size:28px!important}.hero-title{font-size:20px!important;letter-spacing:-.3px!important}.hero-subtitle{font-size:13px!important}.empty-state-dropzone{padding:20px 16px!important;margin-bottom:16px!important;gap:6px!important}.dropzone-icon{font-size:28px!important}.empty-state-actions{flex-direction:row!important;gap:10px!important;margin-bottom:16px!important}.empty-btn{flex:1;padding:14px 12px!important;font-size:13px!important;justify-content:center}.empty-btn iconify-icon{font-size:20px!important}.empty-state-recent{padding-top:14px!important}.empty-state-tips{display:none!important}}@media(max-width:480px){.empty-state-actions{flex-direction:column!important}}