@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Outfit:wght@500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap";:root{--bac-mountain-50: #f7f8fa;--bac-mountain-100: #e8eaf0;--bac-mountain-200: #c8cdd9;--bac-mountain-300: #9aa1b0;--bac-mountain-400: #6e7c99;--bac-mountain-500: #4d5468;--bac-mountain-600: #3a4055;--bac-mountain-700: #2a3041;--bac-mountain-800: #1c2230;--bac-mountain-900: #0d1219;--bac-lava-300: #ffb380;--bac-lava-400: #fc8e4c;--bac-lava-500: #f97316;--bac-lava-600: #d35d10;--bac-lava-700: #a0470a;--bac-forest-300: #8ed29d;--bac-forest-400: #58b06f;--bac-forest-500: #2d8a4a;--bac-forest-600: #1c6735;--bac-forest-700: #114923;--bac-sky-300: #87b6e5;--bac-sky-400: #5b95d4;--bac-sky-500: #3974ba;--bac-sky-600: #265a99;--bac-sky-700: #173f72;--bac-overlay-hover: rgba(255, 255, 255, .06);--bac-overlay-active: rgba(255, 255, 255, .1);--bac-overlay-press: rgba(0, 0, 0, .15);--bac-disabled-opacity: .45;--bac-surface-canvas: var(--bac-mountain-900);--bac-surface-panel: var(--bac-mountain-800);--bac-surface-elevated: var(--bac-mountain-700);--bac-surface-input: var(--bac-mountain-700);--bac-surface-popover: var(--bac-mountain-700);--bac-border-subtle: var(--bac-mountain-700);--bac-border-strong: var(--bac-mountain-600);--bac-border-focus: var(--bac-lava-500);--bac-text-primary: var(--bac-mountain-100);--bac-text-secondary: var(--bac-mountain-300);--bac-text-tertiary: var(--bac-mountain-400);--bac-text-on-accent: #ffffff;--bac-text-link: var(--bac-sky-400);--bac-space-0: 0px;--bac-space-1: 2px;--bac-space-2: 4px;--bac-space-3: 6px;--bac-space-4: 8px;--bac-space-5: 12px;--bac-space-6: 16px;--bac-space-7: 24px;--bac-space-8: 32px;--bac-space-9: 48px;--bac-font-sans: "Inter", system-ui, -apple-system, sans-serif;--bac-font-display: "Space Grotesk", "Inter", sans-serif;--bac-font-mono: "JetBrains Mono", "Cascadia Code", monospace;--bac-text-xs: 10px;--bac-text-sm: 11px;--bac-text-md: 12px;--bac-text-lg: 14px;--bac-text-xl: 16px;--bac-text-2xl: 20px;--bac-leading-tight: 1.25;--bac-leading-normal: 1.5;--bac-leading-loose: 1.75;--bac-weight-regular: 400;--bac-weight-medium: 500;--bac-weight-semi: 600;--bac-weight-bold: 700;--bac-weight-black: 800;--bac-radius-xs: 3px;--bac-radius-sm: 2px;--bac-radius-md: 4px;--bac-radius-lg: 8px;--bac-radius-pill: 999px;--bac-shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--bac-shadow-md: 0 2px 8px rgba(0, 0, 0, .25);--bac-shadow-lg: 0 8px 24px rgba(0, 0, 0, .35);--bac-shadow-popover: 0 4px 14px rgba(0, 0, 0, .4);--bac-ease-out: cubic-bezier(.16, 1, .3, 1);--bac-ease-in-out: cubic-bezier(.65, 0, .35, 1);--bac-dur-snappy: .1s;--bac-dur-quick: .18s;--bac-dur-smooth: .32s;--bac-z-base: 1;--bac-z-overlay: 10;--bac-z-modal: 100;--bac-z-popover: 200;--bac-z-tooltip: 300;--bac-z-toast: 400;--bac-layout-menubar: 28px;--bac-layout-toolbar: 52px;--bac-layout-statusbar: 24px;--bac-layout-panel-min: 220px;--bac-layout-panel-max: 480px;--bac-info-bg: rgba(74, 120, 192, .18);--bac-info-border: rgba(74, 120, 192, .5);--bac-info-text: #79a8e6;--bac-info-solid: #4a78c0;--bac-success-bg: rgba(58, 169, 116, .18);--bac-success-border: rgba(58, 169, 116, .5);--bac-success-text: #5fc996;--bac-success-solid: #3aa974;--bac-warn-bg: rgba(228, 161, 58, .18);--bac-warn-border: rgba(228, 161, 58, .5);--bac-warn-text: #ffc26d;--bac-warn-solid: #e4a13a;--bac-error-bg: rgba(232, 68, 58, .2);--bac-error-border: rgba(232, 68, 58, .5);--bac-error-text: #ff7670;--bac-error-solid: #e8443a;--bac-brand-300: #ffb086;--bac-brand-400: #ff9a5e;--bac-brand-500: #ff7a45;--bac-brand-600: #e85a25;--bac-bg-overlay: rgba(20, 24, 32, .92);--bac-bg-overlay-strong: rgba(20, 24, 32, .95);--bac-border-faint: rgba(255, 255, 255, .04);--bac-border-soft: rgba(255, 255, 255, .12);--bac-backdrop-light: blur(6px);--bac-backdrop-medium: blur(10px) saturate(140%);--bac-backdrop-heavy: blur(16px) saturate(140%);--bac-surface-glass: rgba(20, 24, 32, .78);--bac-surface-glass-head: rgba(28, 34, 48, .86);--bac-ring-brand: 0 0 0 1px rgba(255, 122, 69, .4);--bac-ring-success: 0 0 0 1px rgba(58, 169, 116, .4);--bac-ring-warn: 0 0 0 1px rgba(228, 161, 58, .4);--bac-ring-error: 0 0 0 1px rgba(232, 68, 58, .4);--bac-shadow-inset: 0 1px 0 rgba(255, 255, 255, .05) inset;--bac-shadow-xl: var(--bac-shadow-inset), 0 16px 36px rgba(0, 0, 0, .5), 0 4px 12px rgba(0, 0, 0, .3);--bac-z-viewport-hud: 50;--bac-z-viewport-chip: 100;--bac-z-viewcube: 200;--bac-z-drag-overlay: 9500;--bac-z-floating-panel: 500;--bac-z-notif-drawer: 3000;--bac-z-context-menu: 4000;--bac-z-modal-dialog: 5000;--bac-z-palette: 5500;--bac-z-onboarding: 6000;--bac-tracking-tight: -.2px;--bac-tracking-normal: 0;--bac-tracking-wide: .3px;--bac-tracking-uppercase: .6px;--bac-text-emphasis: #ffffff;--bac-text-faint: rgba(255, 255, 255, .4);--bac-dur-fast: var(--bac-dur-snappy);--bac-ease-bounce: cubic-bezier(.34, 1.56, .64, 1);--mountain-50: var(--bac-mountain-50);--mountain-100: var(--bac-mountain-100);--mountain-200: var(--bac-mountain-200);--mountain-300: var(--bac-mountain-300);--mountain-400: var(--bac-mountain-400);--mountain-500: var(--bac-mountain-500);--mountain-600: var(--bac-mountain-600);--mountain-700: var(--bac-mountain-700);--mountain-800: var(--bac-mountain-800);--mountain-900: var(--bac-mountain-900);--lava-300: var(--bac-lava-300);--lava-400: var(--bac-lava-400);--lava-500: var(--bac-lava-500);--lava-600: var(--bac-lava-600);--lava-700: var(--bac-lava-700);--font-sans: var(--bac-font-sans);--font-display: var(--bac-font-display)}:root[data-theme=light]{--bac-surface-canvas: #f3f5f8;--bac-surface-panel: #ffffff;--bac-surface-elevated: #f7f8fa;--bac-surface-input: #ffffff;--bac-surface-popover: #ffffff;--bac-surface-glass: rgba(255, 255, 255, .78);--bac-surface-glass-head: rgba(247, 248, 250, .88);--bac-border-subtle: #e5e8ee;--bac-border-strong: #d0d5dc;--bac-border-focus: var(--bac-lava-500);--bac-text-primary: #1c2230;--bac-text-secondary: #4d5468;--bac-text-tertiary: #6e7c99;--bac-text-on-accent: #ffffff;--bac-text-link: var(--bac-lava-600);--mountain-950: #ffffff;--mountain-900: #ffffff;--mountain-800: #f7f8fa;--mountain-700: #e5e8ee;--mountain-600: #d0d5dc}:root{--mountain-50: #f8f9fb;--mountain-100: #eef1f5;--mountain-200: #dce1ea;--mountain-300: #c1c9d8;--mountain-400: #a1adc2;--mountain-500: #8593ad;--mountain-600: #6e7c99;--mountain-700: #5a6680;--mountain-800: #4b5469;--mountain-900: #404758;--mountain-950: #282d38;--lava-50: #fff7ed;--lava-100: #ffedd5;--lava-200: #fed7aa;--lava-300: #fdba74;--lava-400: #fb923c;--lava-500: #f97316;--lava-600: #ea580c;--lava-700: #c2410c;--lava-800: #9a3412;--lava-900: #7c2d12;--forest-400: #4a9d4a;--forest-500: #2d7a2d;--sky-400: #60b7f7;--sky-500: #3b99f1;--bim-ui_bg-base: var(--mountain-950);--bim-ui_bg-contrast-10: var(--mountain-900);--bim-ui_bg-contrast-20: var(--mountain-800);--bim-ui_bg-contrast-40: var(--mountain-700);--bim-ui_bg-contrast-60: var(--mountain-600);--bim-ui_bg-contrast-80: var(--mountain-500);--bim-ui_bg-contrast-100:#ffffff;--bim-ui_color-base: var(--mountain-100);--bim-ui_color-contrast-100: var(--mountain-950);--bim-ui_accent-base: var(--lava-500);--bim-ui_accent-light: var(--lava-400);--bim-ui_accent-dark: var(--lava-600);--bim-ui_size-4xs: 2px;--bim-ui_size-3xs: 4px;--bim-ui_size-2xs: 6px;--bim-ui_size-xs: 8px;--bim-ui_size-sm: 12px;--bim-ui_size-md: 16px;--bim-ui_size-lg: 20px;--forest-glow: 45 142 45;--lava-glow: 249 115 22;--sky-glow: 59 153 241;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Outfit", "Inter", sans-serif;--font-mono: "JetBrains Mono", "Courier New", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#app{width:100%;height:100%;overflow:hidden}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background:var(--mountain-950);color:var(--mountain-100);font-size:13px;line-height:1.5;text-rendering:optimizeLegibility}::selection{background:rgba(var(--lava-glow),.3);color:#fff}*::-webkit-scrollbar{width:10px;height:10px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:var(--mountain-700);border-radius:8px;border:2px solid transparent;background-clip:padding-box}*::-webkit-scrollbar-thumb:hover{background:var(--mountain-600);background-clip:padding-box}*{scrollbar-width:thin;scrollbar-color:var(--mountain-700) transparent}.menubar{display:flex;align-items:stretch;height:28px;background:var(--bac-surface-canvas);border-bottom:1px solid var(--bac-mountain-800);padding:0 10px;gap:0;overflow:hidden}.menubar__brand{display:flex;align-items:center;gap:3px;padding:0 10px 0 2px;font-family:var(--bac-font-display);font-weight:var(--bac-weight-black);font-size:var(--bac-text-md);letter-spacing:var(--bac-tracking-wide);border-right:1px solid var(--bac-mountain-800);margin-right:6px;min-width:90px}.menubar__tabs{display:flex;align-items:stretch;gap:2px;flex:0 0 auto}.menubar__center{display:flex;align-items:center;justify-content:center;flex:1;padding:0 20px;min-width:0}.menubar__cmd-search{display:inline-flex;align-items:center;gap:var(--bac-space-4);height:22px;padding:0 10px 0 var(--bac-space-4);background:var(--bac-mountain-900);border:1px solid var(--bac-mountain-800);border-radius:var(--bac-radius-pill);color:var(--bac-text-secondary);font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);cursor:pointer;min-width:0;max-width:320px;width:100%;transition:background var(--bac-dur-snappy) var(--bac-ease-out),border-color var(--bac-dur-snappy) var(--bac-ease-out),color var(--bac-dur-snappy) var(--bac-ease-out)}.menubar__cmd-search:hover{background:var(--bac-mountain-800);border-color:var(--bac-mountain-700);color:var(--bac-text-primary)}.menubar__cmd-search-icon{font-size:13px;line-height:1;color:var(--bac-text-secondary)}.menubar__cmd-search-label{flex:1;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.menubar__cmd-search-kbd{background:var(--bac-mountain-900);border:1px solid var(--bac-mountain-700);border-radius:var(--bac-radius-xs);padding:1px 5px;font-family:var(--bac-font-mono);font-size:9px;color:var(--bac-text-secondary)}.menubar__voice-btn{width:24px;height:22px;display:inline-flex;align-items:center;justify-content:center;background:var(--bac-mountain-900);border:1px solid var(--bac-mountain-800);border-radius:var(--bac-radius-md);color:var(--bac-text-secondary);cursor:pointer;margin-left:6px;font-size:var(--bac-text-sm);transition:all var(--bac-dur-snappy) var(--bac-ease-out)}.menubar__voice-btn:hover{background:var(--bac-mountain-800);color:var(--bac-text-primary)}.menubar__voice-btn.is-listening{background:var(--bac-brand-500);color:var(--bac-text-on-accent);animation:bac-voice-pulse 1.4s ease-in-out infinite;border-color:var(--bac-brand-500)}@keyframes bac-voice-pulse{0%,to{box-shadow:0 0 #ff7a4580}50%{box-shadow:0 0 0 6px #ff7a4500}}.menubar__voice-icon{font-size:11px;line-height:1}.menubar__toolbar-toggle{width:24px;height:22px;display:inline-flex;align-items:center;justify-content:center;background:var(--bac-mountain-900);border:1px solid var(--bac-mountain-800);border-radius:var(--bac-radius-md);color:var(--bac-text-secondary);cursor:pointer;margin-left:6px;font-family:var(--bac-font-mono);font-size:13px;line-height:1;transition:all var(--bac-dur-snappy) var(--bac-ease-out)}.menubar__toolbar-toggle:hover{background:var(--bac-mountain-800);color:var(--bac-text-primary)}.menubar__toolbar-toggle.is-collapsed{transform:rotate(180deg);color:var(--bac-brand-500)}.menubar__workspace-wrap{margin-left:6px;position:relative}.workspace-picker__btn{display:inline-flex;align-items:center;gap:var(--bac-space-3);height:22px;padding:0 10px;background:var(--bac-mountain-900);border:1px solid var(--bac-mountain-800);border-radius:var(--bac-radius-md);color:var(--bac-text-secondary);cursor:pointer;font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);transition:all var(--bac-dur-snappy) var(--bac-ease-out)}.workspace-picker__btn:hover{background:var(--bac-mountain-800);color:var(--bac-text-primary)}.workspace-picker__btn-prefix{color:var(--bac-text-secondary);font-size:10px;text-transform:uppercase;letter-spacing:.4px}.workspace-picker__btn-label{color:var(--bac-text-primary);font-weight:500;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.workspace-picker__btn-caret{font-size:9px;color:var(--bac-text-secondary)}.workspace-picker__menu{position:absolute;top:calc(100% + 4px);right:0;min-width:240px;z-index:9000;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:8px;box-shadow:0 12px 30px #0006;padding:4px;display:flex;flex-direction:column;gap:2px;font-family:var(--bac-font-sans)}.workspace-picker__empty{padding:12px;text-align:center;font-size:11px;color:var(--bac-text-secondary);font-style:italic}.workspace-picker__item{display:grid;grid-template-columns:1fr auto;gap:2px;align-items:stretch;border-radius:4px}.workspace-picker__item:hover{background:var(--bac-surface-elevated)}.workspace-picker__item.is-active .workspace-picker__item-load{color:var(--bac-mountain-500)}.workspace-picker__item-load{display:flex;flex-direction:column;align-items:stretch;gap:2px;padding:6px 10px;background:transparent;border:none;cursor:pointer;font-family:inherit;font-size:12px;color:var(--bac-text-primary);text-align:left}.workspace-picker__item-name{font-weight:500}.workspace-picker__item-meta{font-size:10px;color:var(--bac-text-secondary);font-family:var(--bac-font-mono)}.workspace-picker__item-del{background:transparent;border:none;cursor:pointer;color:var(--bac-text-secondary);font-size:14px;padding:4px 8px;border-radius:3px;align-self:center}.workspace-picker__item-del:hover{color:#e0594a}.workspace-picker__divider{height:1px;background:var(--bac-border-subtle);margin:4px 0}.workspace-picker__item-action{background:transparent;border:none;cursor:pointer;text-align:left;padding:6px 10px;font-family:inherit;font-size:11px;color:var(--bac-text-secondary);border-radius:4px}.workspace-picker__item-action:hover{background:var(--bac-surface-elevated);color:var(--bac-mountain-500)}.models-panel{position:absolute;top:64px;left:248px;z-index:8400;width:320px;max-height:78vh;display:flex;flex-direction:column;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;font-family:var(--bac-font-sans);overflow:hidden;animation:matPickerIn .16s ease-out}.models-panel__head{display:flex;align-items:center;gap:8px;padding:5px 10px;border-bottom:1px solid var(--bac-border-subtle)}.models-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md);flex:1}.models-panel__count{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:999px;padding:1px 7px;font-size:10px;color:var(--bac-text-secondary)}.models-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.models-panel__close:hover{color:var(--bac-text-primary)}.models-panel__body{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:8px}.models-panel__empty{padding:24px 12px;font-size:11px;color:var(--bac-text-secondary);text-align:center}.models-panel__federation{padding:10px;background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm)}.models-panel__fed-title{font-size:10px;font-family:var(--bac-font-mono);text-transform:uppercase;letter-spacing:.4px;color:var(--bac-text-secondary);margin-bottom:6px}.models-panel__fed-row{display:grid;grid-template-columns:10px 1fr auto;gap:8px;align-items:center;font-size:11px;color:var(--bac-text-primary);padding:2px 0}.models-panel__fed-dot{width:10px;height:10px;border-radius:50%}.models-panel__list{display:flex;flex-direction:column;gap:6px}.models-panel__item{display:grid;grid-template-columns:24px 1fr auto;gap:8px;padding:8px;background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm)}.models-panel__item-vis{align-self:start;margin-top:3px}.models-panel__item-main{min-width:0}.models-panel__item-name{font-size:12px;font-weight:500;color:var(--bac-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.models-panel__item-meta{font-size:10px;color:var(--bac-text-secondary);font-family:var(--bac-font-mono);margin-top:2px}.models-panel__item-tints{display:flex;gap:3px;margin-top:6px}.models-panel__tint-swatch{width:16px;height:16px;border-radius:50%;border:1px solid var(--bac-border-subtle);cursor:pointer;padding:0}.models-panel__tint-swatch.is-active{box-shadow:0 0 0 2px var(--bac-mountain-500, 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var(--bac-mountain-500);border-radius:var(--bac-radius-sm)}.measure-panel__item-icon{font-size:13px}.measure-panel__item-value{font-family:var(--bac-font-mono);font-size:13px;font-weight:600;color:var(--bac-text-primary)}.measure-panel__item-mode{font-size:10px;color:var(--bac-text-secondary)}.measure-panel__item-del{background:transparent;border:1px solid var(--bac-border-subtle);border-radius:3px;color:var(--bac-text-secondary);cursor:pointer;padding:2px 6px;font-size:11px;line-height:1}.measure-panel__item-del:hover{color:#e0594a;border-color:#e0594a}.measure-panel__clear-all{background:transparent;border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-secondary);cursor:pointer;padding:6px;font-family:inherit;font-size:11px}.measure-panel__clear-all:hover{color:#e0594a;border-color:#e0594a}.context-menu{z-index:var(--bac-z-context-menu);background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:8px;box-shadow:0 12px 30px #00000080;padding:4px;min-width:220px;display:flex;flex-direction:column;gap:1px;font-family:var(--bac-font-sans);animation:matPickerIn .1s ease-out}.context-menu__item{display:grid;grid-template-columns:20px 1fr auto;gap:8px;align-items:center;padding:6px 10px;background:transparent;border:none;cursor:pointer;font-family:inherit;font-size:12px;text-align:left;color:var(--bac-text-primary);border-radius:4px}.context-menu__item:hover{background:var(--bac-surface-elevated)}.context-menu__item.is-danger:hover{background:#e0594a26;color:#ff8b7a}.context-menu__icon{display:flex;align-items:center;justify-content:center;font-size:14px;line-height:1;width:16px;height:16px;flex-shrink:0;color:var(--bac-text-secondary)}.context-menu__icon svg{width:14px;height:14px}.context-menu__item:hover .context-menu__icon{color:var(--bac-text-primary)}.context-menu__item.is-danger .context-menu__icon{color:var(--bac-error-text)}.context-menu__label{white-space:nowrap}.context-menu__shortcut{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:3px;padding:1px 5px;font-family:var(--bac-font-mono);font-size:9px;color:var(--bac-text-secondary)}.context-menu__sep{height:1px;background:var(--bac-border-subtle);margin:4px 6px}html[data-touch] .tool-dock__slot,html[data-touch] .menubar__voice-btn,html[data-touch] .menubar__toolbar-toggle,html[data-touch] .annotation-panel__type,html[data-touch] .measure-panel__mode{min-height:38px}html[data-touch] .menubar__cmd-search{height:32px}html[data-touch] .cmd-palette__item{padding:10px 16px;min-height:40px}html[data-touch] .context-menu__item{padding:10px 12px;min-height:36px}html[data-touch] .workspace-picker__item-load{padding:10px}html[data-touch] .levels-panel__item{min-height:38px;padding:8px}html[data-narrow] .menubar__brand .bac-brand__product,html[data-narrow] .menubar__brand 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.annotation-panel,html[data-narrow] .measure-panel,html[data-narrow] .models-panel,html[data-narrow] .levels-panel,html[data-narrow] .civil-panel{width:92vw;max-width:92vw;left:4vw!important;right:auto!important;top:64px}html[data-narrow] .view-cube{width:64px!important;height:64px!important;top:8px;right:8px}html[data-narrow] .cmd-palette{width:94vw;max-height:80vh}html[data-narrow] .cmd-palette-backdrop{padding-top:8vh}html[data-narrow] .shortcuts-cheatsheet__card{width:94vw}html[data-narrow] .perf-hud{width:160px;top:8px;left:8px}html[data-tablet] #app{grid-template-columns:52px 240px 1fr 280px!important}html[data-tablet] .menubar{padding:0 6px}html[data-tablet] .module-sidebar{width:52px;padding:6px 2px;gap:4px}html[data-tablet] .module-sidebar__item{padding:6px 1px}html[data-tablet] .module-sidebar__icon{font-size:16px}html[data-tablet] .module-sidebar__label{font-size:8px;letter-spacing:.1px}html[data-tablet] .bac-statusbar__tech{display:none}html[data-mobile] #app{grid-template-rows:28px 0px 1fr 22px!important;grid-template-columns:0 0 1fr 0!important;grid-template-areas:"menu menu menu menu" "top  top  top  top" "view view view view" "status status status status"!important}html[data-mobile] .module-sidebar{position:fixed;bottom:22px;left:0;right:0;width:100%;height:52px;flex-direction:row;align-items:stretch;border-right:none;border-top:1px solid var(--bac-border-subtle);padding:4px 6px;gap:2px;z-index:9000;background:var(--bac-surface-canvas);box-shadow:0 -2px 12px #00000040}html[data-mobile] .module-sidebar__group{flex-direction:row;flex:1;justify-content:space-around;gap:0}html[data-mobile] .module-sidebar__group--footer{flex:0 0 auto}html[data-mobile] .module-sidebar__spacer{display:none}html[data-mobile] .module-sidebar__divider{width:1px;height:24px;margin:auto 4px}html[data-mobile] .module-sidebar__item{flex-direction:column;min-width:52px;padding:4px 2px;border-radius:var(--bac-radius-sm)}html[data-mobile] .module-sidebar__label{font-size:8px}html[data-mobile] .module-sidebar__icon{font-size:18px}html[data-mobile] .module-sidebar__item.is-active{box-shadow:inset 0 3px 0 var(--bac-lava-500)}html[data-mobile] [data-side-panel=left],html[data-mobile] [data-side-panel=right]{display:none!important}html[data-mobile] [data-side-panel=left].is-open,html[data-mobile] [data-side-panel=right].is-open{display:flex!important;position:fixed!important;top:28px!important;bottom:74px!important;width:min(92vw,360px)!important;height:auto!important;z-index:8500!important;background:var(--bac-surface-canvas);flex-direction:column}html[data-mobile] [data-side-panel=left].is-open{left:0!important;right:auto!important;border-right:1px solid var(--bac-border-strong);box-shadow:4px 0 16px #0000004d;animation:bac-drawer-fade-in var(--bac-dur-snappy, .16s) var(--bac-ease-out, ease-out)}html[data-mobile] [data-side-panel=right].is-open{right:0!important;left:auto!important;border-left:1px solid var(--bac-border-strong);box-shadow:-4px 0 16px #0000004d;animation:bac-drawer-fade-in var(--bac-dur-snappy, .16s) var(--bac-ease-out, ease-out)}@keyframes bac-drawer-fade-in{0%{opacity:0}to{opacity:1}}.bac-drawer-backdrop{display:none;position:fixed;inset:28px 0 74px;background:#00000073;z-index:8400;-webkit-tap-highlight-color:transparent}html[data-mobile] .bac-drawer-backdrop.is-visible{display:block}.bac-fab-drawer{display:none;position:fixed;top:36px;width:36px;height:36px;align-items:center;justify-content:center;background:var(--bac-surface-elevated);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);color:var(--bac-text-primary);font-size:16px;cursor:pointer;z-index:8600;box-shadow:0 2px 8px #0000004d;-webkit-tap-highlight-color:transparent}.bac-fab-drawer:active{transform:scale(.94)}.bac-fab-drawer--left{left:8px}.bac-fab-drawer--right{right:8px}html[data-mobile] .bac-fab-drawer{display:inline-flex}html[data-mobile] .menubar__workspace-wrap,html[data-mobile] .menubar__voice-btn{display:none}html[data-mobile] .menubar{padding:0 4px}html[data-mobile] .menubar__brand{min-width:auto;padding:0 4px}html[data-mobile] .view-cube{width:56px!important;height:56px!important;top:8px;right:52px}html[data-mobile] .bac-statusbar{font-size:10px;padding:0 6px}html[data-mobile] .bac-statusbar__tech,html[data-mobile] .bac-statusbar__perf,html[data-mobile] .bac-statusbar__schema{display:none}html[data-mobile] .bac-topbar{padding:4px}html[data-mobile] .bac-topbar__grupo{padding:0 4px}html[data-mobile] .sections-panel,html[data-mobile] .explode-panel,html[data-mobile] .diff-panel,html[data-mobile] .annotation-panel,html[data-mobile] .measure-panel,html[data-mobile] .models-panel,html[data-mobile] .levels-panel,html[data-mobile] .civil-panel,html[data-mobile] .visibility-panel{width:96vw!important;max-width:96vw!important;left:2vw!important;right:auto!important;top:40px!important;max-height:calc(100vh - 120px)!important}html[data-mobile] .onboarding-hub__inner{padding:16px}html[data-mobile] .onboarding-hub__primary,html[data-mobile] .onboarding-hub__secondary{grid-template-columns:1fr!important}html[data-mobile] .onboarding-hub__title{font-size:22px}html[data-mobile][data-landscape] #app{grid-template-rows:24px 0px 1fr 20px!important}html[data-mobile][data-landscape] .module-sidebar{height:44px;bottom:20px}html[data-mobile][data-landscape] [data-side-panel=left],html[data-mobile][data-landscape] [data-side-panel=right]{top:24px!important;bottom:64px!important}.tree-panel{position:absolute;top:64px;left:248px;z-index:8400;width:340px;max-height:80vh;display:flex;flex-direction:column;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;font-family:var(--bac-font-sans);overflow:hidden;animation:matPickerIn .16s ease-out}.tree-panel__head{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--bac-border-subtle)}.tree-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md);flex:1}.tree-panel__count{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:999px;padding:1px 7px;font-size:10px;color:var(--bac-text-secondary)}.tree-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.tree-panel__close:hover{color:var(--bac-text-primary)}.tree-panel__search{display:flex;gap:4px;padding:6px 10px;border-bottom:1px solid var(--bac-border-subtle)}.tree-panel__search input{flex:1;padding:5px 8px;background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);font-family:inherit;font-size:11px}.tree-panel__search 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rgba(230,58,0,.35))}.tour__title{font-family:var(--bac-font-display);font-size:22px;font-weight:700;margin:0;background:linear-gradient(135deg,#ff9a3c,#e63a00);-webkit-background-clip:text;background-clip:text;color:transparent}.tour__text{font-size:13px;line-height:1.6;color:var(--bac-text-secondary);max-width:380px}.tour__text kbd,.tour__text code{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:4px;padding:1px 6px;font-family:var(--bac-font-mono);font-size:11px;color:var(--bac-mountain-500, #ff7a45)}.tour__kbd-wrap{margin-top:4px}.tour__kbd{display:inline-block;background:var(--bac-mountain-500, #ff7a45);color:#fff;border-radius:6px;padding:6px 14px;font-family:var(--bac-font-mono);font-size:14px;font-weight:700;box-shadow:0 4px 12px #ff7a4566}.tour__cta{background:var(--bac-mountain-500, #ff7a45);color:#fff;border:none;border-radius:8px;padding:8px 18px;font-family:inherit;font-size:12px;font-weight:600;cursor:pointer;margin-top:8px;transition:filter .12s ease,transform .12s ease}.tour__cta:hover{filter:brightness(1.1);transform:translateY(-1px)}.tour__nav{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--bac-border-subtle);padding-top:16px}.tour__prev,.tour__next{background:transparent;border:1px solid var(--bac-border-subtle);border-radius:6px;padding:6px 14px;font-family:inherit;font-size:12px;cursor:pointer;color:var(--bac-text-primary)}.tour__prev:disabled{opacity:.3;cursor:not-allowed}.tour__next{background:var(--bac-mountain-500, #ff7a45);border-color:var(--bac-mountain-500, #ff7a45);color:#fff;font-weight:600}.tour__next:hover{filter:brightness(1.1)}.tour__prev:hover:not(:disabled){border-color:var(--bac-text-secondary)}.tour__counter{font-family:var(--bac-font-mono);font-size:11px;color:var(--bac-text-secondary)}.filter-panel{position:absolute;top:64px;left:248px;z-index:8400;width:340px;max-height:84vh;display:flex;flex-direction:column;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;font-family:var(--bac-font-sans);overflow:hidden;animation:matPickerIn .16s ease-out}.filter-panel__head{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--bac-border-subtle)}.filter-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md);flex:1}.filter-panel__sel-count{background:var(--bac-mountain-500, #ff7a45);color:#fff;border-radius:999px;padding:1px 8px;font-family:var(--bac-font-mono);font-size:10px;font-weight:600}.filter-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.filter-panel__close:hover{color:var(--bac-text-primary)}.filter-panel__empty{padding:24px 12px;text-align:center;color:var(--bac-text-secondary);font-size:11px}.filter-panel__body{flex:1;overflow-y:auto;display:flex;flex-direction:column}.filter-panel__actions{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:10px;border-bottom:1px solid var(--bac-border-subtle)}.filter-panel__actions button{font-size:10px;padding:5px 4px}.filter-panel__color-row{display:flex;align-items:center;gap:6px;padding:8px 10px;border-bottom:1px solid var(--bac-border-subtle)}.filter-panel__color-label{font-size:10px;color:var(--bac-text-secondary);text-transform:uppercase;letter-spacing:.4px}.filter-panel__color-swatch{width:22px;height:22px;border-radius:50%;border:1px solid rgba(255,255,255,.15);cursor:pointer;padding:0;transition:transform .1s ease}.filter-panel__color-swatch:hover{transform:scale(1.1)}.filter-panel__color-swatch.is-active{box-shadow:0 0 0 2px var(--bac-mountain-500, #ff7a45),0 0 0 4px var(--bac-surface-panel)}.filter-panel__section{border-bottom:1px solid var(--bac-border-subtle)}.filter-panel__section-head{display:flex;align-items:center;gap:6px;width:100%;padding:8px 12px;background:transparent;border:none;cursor:pointer;font-family:inherit;font-size:11px;font-weight:600;color:var(--bac-text-primary);text-align:left}.filter-panel__section-head:hover{background:var(--bac-surface-elevated)}.filter-panel__chev{font-size:9px;color:var(--bac-text-secondary);width:12px}.filter-panel__active-count{margin-left:auto;background:var(--bac-mountain-500, #ff7a45);color:#fff;border-radius:999px;padding:0 6px;font-family:var(--bac-font-mono);font-size:9px;font-weight:700;min-width:16px;text-align:center}.filter-panel__active-count:empty,.filter-panel__active-count:where([data-count="0"]){display:none}.filter-panel__switches{display:flex;flex-direction:column;gap:1px;padding:4px 10px 10px}.filter-panel__switches--scroll{max-height:30vh;overflow-y:auto}.filter-panel__switch{display:grid;grid-template-columns:32px 1fr auto;gap:8px;align-items:center;padding:6px;border-radius:var(--bac-radius-sm);cursor:pointer;font-size:11px;color:var(--bac-text-primary)}.filter-panel__switch:hover{background:var(--bac-surface-elevated)}.filter-panel__switch.is-active{background:var(--bac-surface-elevated);box-shadow:inset 2px 0 0 var(--switch-color, var(--bac-mountain-500))}.filter-panel__switch input[type=checkbox]{display:none}.filter-panel__switch-track{position:relative;width:28px;height:14px;background:var(--bac-border-subtle);border-radius:8px;transition:background .15s ease}.filter-panel__switch-thumb{position:absolute;top:1px;left:1px;width:12px;height:12px;background:var(--bac-text-secondary);border-radius:50%;transition:left .15s ease,background .15s ease}.filter-panel__switch.is-active .filter-panel__switch-track{background:var(--switch-color, var(--bac-mountain-500, #ff7a45))}.filter-panel__switch.is-active .filter-panel__switch-thumb{left:15px;background:#fff}.filter-panel__switch-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filter-panel__switch-count{font-family:var(--bac-font-mono);font-size:9px;color:var(--bac-text-secondary);background:var(--bac-surface-elevated);border-radius:8px;padding:1px 6px}.filter-panel__switch.is-active .filter-panel__switch-count{color:var(--bac-text-primary)}.filter-panel__switch--compact{padding:4px 6px;font-size:10px}.filter-panel__switch--compact .filter-panel__switch-track{width:22px;height:11px}.filter-panel__switch--compact .filter-panel__switch-thumb{width:9px;height:9px;top:1px;left:1px}.filter-panel__switch--compact.is-active .filter-panel__switch-thumb{left:12px}.filter-panel__shortcuts{display:flex;gap:4px;margin-top:6px;padding:0 6px}.filter-panel__shortcuts button{background:transparent;border:1px solid var(--bac-border-subtle);border-radius:3px;color:var(--bac-text-secondary);cursor:pointer;font-family:var(--bac-font-mono);font-size:9px;padding:3px 8px}.filter-panel__shortcuts button:hover{color:var(--bac-mountain-500);border-color:var(--bac-mountain-500)}.filter-panel__hint{padding:8px 6px;font-size:10px;color:var(--bac-text-secondary);font-style:italic}.filter-panel__type-search{margin:4px 10px 6px;padding:5px 8px;background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);font-family:inherit;font-size:11px;outline:none}.filter-panel__type-search:focus{border-color:var(--bac-mountain-500)}.filter-panel__sets{padding:4px 10px 10px;display:flex;flex-direction:column;gap:4px}.filter-panel__set-item{display:grid;grid-template-columns:1fr auto;gap:2px;background:var(--bac-surface-elevated);border-radius:var(--bac-radius-sm);border-left:2px solid var(--set-color, #999)}.filter-panel__set-load{display:flex;align-items:center;gap:6px;padding:6px 8px;background:transparent;border:none;cursor:pointer;font-family:inherit;font-size:11px;color:var(--bac-text-primary);text-align:left}.filter-panel__set-load:hover{background:#ff7a451a}.filter-panel__set-dot{width:8px;height:8px;border-radius:50%;background:var(--set-color, #999)}.filter-panel__set-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.filter-panel__set-count{font-family:var(--bac-font-mono);font-size:9px;color:var(--bac-text-secondary)}.filter-panel__set-del{background:transparent;border:none;cursor:pointer;color:var(--bac-text-secondary);padding:4px 10px;font-size:14px;line-height:1}.filter-panel__set-del:hover{color:#e0594a}.filter-panel__save-set{background:transparent;border:1px dashed var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-secondary);cursor:pointer;padding:6px;font-family:inherit;font-size:11px;margin-top:4px}.filter-panel__save-set:hover{color:var(--bac-mountain-500);border-color:var(--bac-mountain-500);border-style:solid}.panel-error-boundary{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:16px;background:linear-gradient(180deg,rgba(224,89,74,.08) 0%,transparent 100%);border:1px solid rgba(224,89,74,.35);border-radius:var(--bac-radius-md);margin:12px;font-family:var(--bac-font-sans);color:var(--bac-text-primary)}.panel-error-boundary__icon{font-size:22px;color:#e0594a;line-height:1}.panel-error-boundary__body{min-width:0}.panel-error-boundary__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md);color:#ff8b7a;margin-bottom:4px}.panel-error-boundary__msg{font-size:12px;color:var(--bac-text-secondary);line-height:1.4;margin-bottom:10px;word-wrap:break-word;font-family:var(--bac-font-mono)}.panel-error-boundary__actions{display:flex;gap:6px}.panel-error-boundary__actions button{background:transparent;border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);cursor:pointer;font-family:inherit;font-size:11px;padding:4px 12px}.panel-error-boundary__actions button:hover{background:var(--bac-surface-elevated)}.panel-error-boundary__actions button[data-retry]{background:var(--bac-mountain-500, #ff7a45);border-color:var(--bac-mountain-500, #ff7a45);color:#fff}.panel-error-boundary__actions button[data-retry]:hover{filter:brightness(1.1)}.panel-error-boundary__stack{margin-top:8px;padding:6px 8px;background:#0000004d;border-radius:4px;font-family:var(--bac-font-mono);font-size:9px;color:var(--bac-text-secondary);max-height:120px;overflow:auto;white-space:pre-wrap}.menubar__voice-bubble{position:fixed;transform:translate(-50%);z-index:9400;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:6px;padding:6px 12px;font-family:var(--bac-font-sans);font-size:11px;color:var(--bac-text-primary);white-space:nowrap;max-width:60vw;overflow:hidden;text-overflow:ellipsis;box-shadow:0 6px 16px #00000059;animation:matPickerIn .12s ease-out}.menubar__voice-bubble.is-listening{border-color:var(--bac-mountain-500, #ff7a45)}.menubar__voice-bubble.is-result{border-color:#5bbf6a;background:linear-gradient(180deg,var(--bac-surface-panel) 0%,rgba(91,191,106,.12) 100%)}.menubar__voice-bubble.is-error{border-color:#e0594a;color:#ff8b7a}.welcome-screen{position:absolute;inset:0;z-index:5000;background:radial-gradient(ellipse at top,rgba(255,122,69,.06) 0%,transparent 60%),linear-gradient(180deg,#0d0d1af2,#141420fa);display:flex;align-items:center;justify-content:center;font-family:var(--bac-font-sans);overflow-y:auto;padding:32px 24px}.welcome-screen__inner{width:100%;max-width:720px;display:flex;flex-direction:column;gap:28px}.welcome-screen__brand{display:flex;align-items:center;gap:16px}.welcome-screen__logo{width:64px;height:64px;display:block;object-fit:contain;filter:drop-shadow(0 4px 12px rgba(230,58,0,.35))}.welcome-screen__title h1{margin:0 0 4px;font-family:var(--bac-font-display);font-size:24px;font-weight:700;color:var(--bac-text-primary)}.welcome-screen__title p{margin:0;font-size:12px;color:var(--bac-text-secondary)}.welcome-screen__drop{border:2px dashed var(--bac-border-strong);border-radius:16px;padding:40px 24px;text-align:center;background:var(--bac-surface-elevated);cursor:default;transition:border-color .18s ease,background .18s ease,transform .18s ease}.welcome-screen__drop.is-dragover{border-color:var(--bac-mountain-500, #ff7a45);background:#ff7a4514;transform:scale(1.01)}.welcome-screen__drop-icon{display:flex;justify-content:center;color:var(--bac-text-secondary);margin-bottom:14px}.welcome-screen__drop.is-dragover .welcome-screen__drop-icon{color:var(--bac-mountain-500, #ff7a45)}.welcome-screen__drop-title{font-family:var(--bac-font-display);font-size:16px;font-weight:600;color:var(--bac-text-primary);margin-bottom:6px}.welcome-screen__drop-sub{font-family:var(--bac-font-mono);font-size:11px;color:var(--bac-text-secondary);letter-spacing:.5px}.welcome-screen__cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.welcome-screen__card{display:flex;flex-direction:column;gap:10px;padding:18px 16px;background:var(--bac-surface-panel);border:1px solid var(--bac-border-subtle);border-radius:12px;cursor:pointer;text-align:left;color:var(--bac-text-primary);font-family:inherit;transition:transform .12s ease,border-color .12s ease,background .12s ease}.welcome-screen__card:hover{transform:translateY(-2px);border-color:var(--bac-mountain-500, #ff7a45);background:var(--bac-surface-elevated)}.welcome-screen__card-icon{color:var(--bac-mountain-500, 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6px);left:50%;transform:translate(-50%);min-width:220px;display:flex;flex-direction:column;gap:2px;padding:6px;border-radius:10px;background:var(--bac-surface-glass-head, rgba(28, 34, 48, .96));border:1px solid var(--bac-border-strong, #3a4055);box-shadow:0 12px 32px #00000073;backdrop-filter:blur(10px) saturate(1.2);-webkit-backdrop-filter:blur(10px) saturate(1.2);z-index:10}.welcome-screen__demo-menu[hidden]{display:none}.welcome-screen__demo-item{text-align:left;padding:8px 12px;border:none;border-radius:6px;background:transparent;color:var(--bac-text-primary, #e8edf6);font-family:var(--bac-font-sans, inherit);font-size:13px;cursor:pointer;white-space:nowrap;transition:background .12s ease,color .12s ease}.welcome-screen__demo-item:hover{background:var(--bac-overlay-hover, rgba(255, 255, 255, .08));color:var(--bac-brand-400, #ff9a5e)}.welcome-screen__foot{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;font-size:10px;font-family:var(--bac-font-mono);color:var(--bac-text-secondary);padding-top:8px;border-top:1px solid var(--bac-border-subtle)}.welcome-screen__foot kbd{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:3px;padding:0 5px;font-family:var(--bac-font-mono);font-size:9px}.menubar__rightside{display:flex;align-items:center;gap:var(--bac-space-4);padding-right:var(--bac-space-4);margin-left:auto}.menubar__rendermode{display:inline-flex;align-items:center;gap:5px;font-size:var(--bac-text-sm);color:var(--bac-text-secondary);cursor:pointer}.menubar__rendermode-label{font-size:13px;opacity:.85}.menubar__rendermode-select{background:var(--bac-mountain-800);color:var(--bac-text-primary);border:1px solid var(--bac-mountain-700);border-radius:var(--bac-radius-xs);font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);font-weight:var(--bac-weight-medium);padding:2px 4px;cursor:pointer;outline:none;min-width:110px}.menubar__rendermode-select:hover{border-color:var(--bac-lava-500)}.menubar__workspace{display:inline-flex;align-items:center;gap:var(--bac-space-2);font-size:var(--bac-text-xs);color:var(--bac-text-tertiary);cursor:pointer}.menubar__workspace-prefix{font-size:var(--bac-text-xs);letter-spacing:.4px;text-transform:uppercase;color:var(--bac-text-tertiary)}.menubar__workspace .menubar__rendermode-select{min-width:140px}.menubar__tab{background:transparent;border:none;color:var(--bac-text-tertiary);font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);font-weight:var(--bac-weight-regular);letter-spacing:var(--bac-tracking-wide);padding:0 14px;height:100%;cursor:pointer;transition:all var(--bac-dur-snappy) var(--bac-ease-out);display:inline-flex;align-items:center;border-bottom:2px solid transparent}.menubar__tab:hover{color:var(--bac-text-primary);background:transparent}.menubar__tab.is-active{color:var(--bac-text-primary);border-bottom-color:var(--bac-lava-500);background:transparent;font-weight:var(--bac-weight-medium)}.menubar__tab span{font-size:12px;filter:grayscale(.4)}.menubar__tab.is-active span{filter:none}bim-toolbar{display:flex!important;height:52px!important;min-height:52px!important;max-height:52px!important;width:100%!important;padding:2px 6px!important;align-items:stretch!important;gap:3px!important;box-sizing:border-box!important;overflow-x:auto!important;overflow-y:hidden!important;scrollbar-width:thin;scrollbar-color:var(--bac-mountain-700) transparent}bim-toolbar::-webkit-scrollbar{height:4px}bim-toolbar::-webkit-scrollbar-track{background:transparent}bim-toolbar::-webkit-scrollbar-thumb{background:var(--bac-mountain-700);border-radius:2px}bim-toolbar::-webkit-scrollbar-thumb:hover{background:var(--bac-lava-400)}bim-toolbar-section{flex-shrink:0}bim-toolbar-section{height:100%;padding:2px 5px;display:flex;flex-direction:column;align-items:stretch}bim-toolbar bim-button{--bim-button_height: 28px;height:28px;min-height:28px;font-size:11px}.bac-brand{height:100%;font-size:16px;padding:0 12px;min-width:120px}bim-toolbar-section::part(label),bim-toolbar-section [slot=label]{font-size:9px;text-transform:uppercase;letter-spacing:var(--bac-tracking-uppercase);color:var(--bac-mountain-400);opacity:.9;margin-top:1px}body.bac-compact-toolbar bim-toolbar bim-button{--bim-button_height: 28px;width:32px;min-width:32px;max-width:32px;padding:0!important}body.bac-compact-toolbar bim-toolbar bim-button::part(label),body.bac-compact-toolbar bim-toolbar bim-button [slot=label]{display:none!important}body.bac-compact-toolbar bim-toolbar-section::part(label),body.bac-compact-toolbar bim-toolbar-section [slot=label]{display:none!important}body.bac-compact-toolbar bim-toolbar-section{padding:2px 3px;gap:2px}body.bac-compact-toolbar bim-toolbar{height:38px!important;min-height:38px!important;max-height:38px!important}body.bac-compact-toolbar .bac-toolbar-sep{height:18px;margin:0 2px}.search-box{padding:var(--bac-space-4) var(--bac-space-4) var(--bac-space-3);border-bottom:1px solid var(--bac-mountain-800);flex-shrink:0;position:relative}.search-box:before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:12px;height:12px;background-color:var(--bac-text-tertiary);-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M15.5 14h-.79l-.28-.27a6.5 6.5 0 1 0-.7.7l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 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ease}.bac-bottom-drawer.is-open{opacity:1;pointer-events:auto;transform:translateY(0)}.bac-bottom-drawer__resize{position:absolute;top:-3px;left:0;right:0;height:6px;cursor:row-resize;z-index:1}.bac-bottom-drawer__resize:hover,body.is-resizing-drawer .bac-bottom-drawer__resize{background:#ff7a452e}body.is-resizing-drawer{cursor:row-resize!important;user-select:none}.bac-bottom-drawer__head{display:flex;align-items:stretch;gap:var(--bac-space-2);padding:0 var(--bac-space-2) 0 var(--bac-space-4);background:linear-gradient(180deg,rgba(255,122,69,.06) 0%,transparent 100%),var(--bac-surface-glass-head);border-bottom:1px solid var(--bac-mountain-700);border-radius:8px 8px 0 0}.bac-bottom-drawer__tabs{flex:1;display:flex;gap:1px;align-items:stretch}.bac-bottom-drawer__tab{background:transparent;border:none;border-bottom:2px solid transparent;color:var(--bac-text-tertiary);padding:var(--bac-space-3) 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ease}.bac-bottom-drawer__close{margin-right:var(--bac-space-2)}.bac-bottom-drawer__minimize{margin-left:var(--bac-space-2)}.bac-bottom-drawer__close:hover,.bac-bottom-drawer__minimize:hover{background:var(--bac-mountain-700);color:var(--bac-lava-400);border-color:var(--bac-mountain-600)}.bac-bottom-drawer__minimize .ico-up{display:none}.bac-bottom-drawer .bac-bottom-drawer__minimize .ico-down{display:block}.bac-bottom-drawer.is-minimized .bac-bottom-drawer__minimize .ico-down{display:none}.bac-bottom-drawer.is-minimized .bac-bottom-drawer__minimize .ico-up{display:block}.bac-bottom-drawer.is-minimized{height:auto!important}.bac-bottom-drawer.is-minimized .bac-bottom-drawer__body,.bac-bottom-drawer.is-minimized .bac-bottom-drawer__resize{display:none}.bac-bottom-drawer__body{flex:1;overflow:hidden;display:flex;flex-direction:column;position:relative}.bac-bottom-drawer__panel{position:absolute;inset:0;display:none;overflow:auto}.bac-bottom-drawer__panel.is-active{display:flex;flex-direction:column}.bac-bottom-drawer__panel>.bcf-tab{flex:1;padding:var(--bac-space-4);box-sizing:border-box;display:flex;flex-direction:column;overflow:hidden}.bcf-tab{display:flex;flex-direction:column;height:100%;padding:var(--bac-space-4);box-sizing:border-box;overflow:hidden}.bcf-actions{display:flex;gap:var(--bac-space-3);margin-bottom:var(--bac-space-4)}.bcf-btn{flex:1;background:var(--bac-mountain-800);color:var(--bac-text-primary);border:1px solid var(--bac-mountain-700);border-radius:var(--bac-radius-md, 6px);padding:6px 10px;font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);font-weight:var(--bac-weight-medium, 500);letter-spacing:.15px;cursor:pointer;transition:background .14s ease,border-color .14s ease,color .14s ease}.bcf-btn:hover{background:var(--bac-mountain-700);border-color:var(--bac-lava-500);color:var(--bac-text-emphasis, var(--bac-text-primary))}.bcf-btn--primary{background:linear-gradient(135deg,var(--bac-lava-400) 0%,var(--bac-lava-500) 100%);border-color:var(--bac-lava-500);color:#fff;font-weight:var(--bac-weight-semi, 600);box-shadow:0 1px #0000002e,0 4px 12px #f9731629}.bcf-btn--primary:hover{background:linear-gradient(135deg,var(--bac-lava-300) 0%,var(--bac-lava-400) 100%);border-color:var(--bac-lava-400)}.bcf-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--bac-space-2);scrollbar-width:thin;scrollbar-color:var(--bac-mountain-700) transparent}.bcf-list::-webkit-scrollbar{width:6px}.bcf-list::-webkit-scrollbar-thumb{background:var(--bac-mountain-700);border-radius:3px}.bcf-empty{padding:var(--bac-space-7) var(--bac-space-5);font-size:var(--bac-text-sm);color:var(--bac-text-tertiary);text-align:center;font-style:italic;line-height:1.5}.bcf-item{background:var(--bac-mountain-800);border:1px solid var(--bac-mountain-700);border-left:3px solid var(--bac-mountain-600);border-radius:var(--bac-radius-sm, 4px);padding:var(--bac-space-4) 10px;cursor:pointer;transition:background .12s ease,border-color .12s ease,transform .12s ease}.bcf-item:hover{background:var(--bac-mountain-700);border-color:var(--bac-mountain-600);transform:translate(1px)}.bcf-item--open{border-left-color:var(--bac-lava-500)}.bcf-item--closed{border-left-color:var(--bac-forest-500)}.bcf-item--resolved{border-left-color:var(--bac-sky-500)}.bcf-item__head{display:flex;justify-content:space-between;align-items:center;gap:8px}.bcf-item__title{font-size:12px;font-weight:600;color:var(--mountain-100);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.bcf-item__delete{background:transparent;border:none;color:var(--mountain-500);cursor:pointer;font-size:16px;line-height:1;padding:2px 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1fr;flex:1;overflow:hidden}.config-modal__tabs{display:flex;flex-direction:column;padding:var(--bac-space-4) var(--bac-space-2);border-right:1px solid var(--bac-border-subtle);background:var(--bac-surface-panel);overflow-y:auto;gap:var(--bac-space-1)}.config-modal__tab{display:flex;align-items:center;gap:var(--bac-space-4);background:transparent;border:none;color:var(--bac-text-secondary);font-family:var(--bac-font-sans);font-size:var(--bac-text-md);font-weight:var(--bac-weight-medium);padding:var(--bac-space-4) var(--bac-space-5);cursor:pointer;border-radius:var(--bac-radius-md);text-align:left;transition:all var(--bac-dur-snappy) var(--bac-ease-out)}.config-modal__tab:hover{background:var(--bac-overlay-hover);color:var(--bac-text-primary)}.config-modal__tab.is-active{background:var(--bac-surface-elevated);color:var(--bac-text-primary);box-shadow:inset 3px 0 0 var(--bac-lava-500)}.config-modal__tab-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;flex-shrink:0;color:currentColor;opacity:.85}.config-modal__tab.is-active .config-modal__tab-icon{opacity:1;color:var(--bac-lava-500)}.config-modal__tab-icon .bac-icon{width:16px;height:16px}.config-modal__tab-label{flex:1}.config-modal__title-icon{display:inline-flex;align-items:center;vertical-align:-3px;margin-right:6px;color:var(--bac-lava-500)}.config-modal__title-icon .bac-icon{width:18px;height:18px}body.bac-config-modal-open .view-cube,body.bac-config-modal-open .bac-compass,body.bac-config-modal-open .bac-pivot-label,body.bac-config-modal-open .bac-context-strip,body.bac-config-modal-open .bac-statusbar,body.bac-config-modal-open .bac-tool-dock,body.bac-config-modal-open .bac-cursor-hud{opacity:0!important;pointer-events:none!important;transition:opacity .15s 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input[type=checkbox]{width:16px;height:16px;accent-color:var(--lava-500);cursor:pointer}.cfg-row span[data-val-for]{font-family:var(--font-mono);font-size:11px;color:var(--mountain-400);text-align:right}.cfg-action{background:var(--mountain-700);color:var(--lava-300);border:1px solid var(--lava-500);border-radius:4px;padding:6px 12px;font-size:11px;cursor:pointer;width:100%}.cfg-action:hover{background:var(--lava-700);color:#fff}.cfg-grid-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--bac-space-2);margin-bottom:var(--bac-space-4)}.cfg-preset{background:var(--bac-surface-elevated);color:var(--bac-text-secondary);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-md);padding:var(--bac-space-3) var(--bac-space-2);font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);font-weight:var(--bac-weight-medium);cursor:pointer;text-align:center;transition:all var(--bac-dur-snappy) var(--bac-ease-out);line-height:1.2}.cfg-preset:hover{background:var(--bac-overlay-hover);color:var(--bac-text-primary);border-color:var(--bac-lava-500)}.cfg-hint{margin:6px 0 0;font-size:10px;color:var(--mountain-500);line-height:1.4}.cfg-divider{border:none;border-top:1px solid var(--mountain-700);margin:10px 0 8px}.cfg-clip-axis{display:inline-block;width:18px;height:18px;line-height:18px;text-align:center;font-family:var(--font-mono);font-weight:700;font-size:11px;border-radius:3px;background:var(--mountain-900);margin-right:6px}.props-host{width:100%;height:100%;display:flex;flex-direction:column;min-height:0}.props-panel{display:flex;flex-direction:column;background:var(--mountain-900);color:var(--mountain-100);font-family:var(--font-sans);font-size:12px;overflow:hidden;height:100%}.props-empty{padding:24px 16px;font-size:11px;color:var(--mountain-500);text-align:center;line-height:1.5}.props-header{padding:10px 12px;background:var(--mountain-950);border-bottom:1px solid 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.props-group__name{color:var(--sky-400)}.props-group__count{font-size:10px;color:var(--mountain-500);background:var(--mountain-800);padding:1px 5px;border-radius:8px;min-width:18px;text-align:center}.props-group__body{display:none;background:var(--mountain-950)}.props-group.is-open .props-group__body{display:block}.props-row{display:grid;grid-template-columns:130px 1fr auto;gap:var(--bac-space-3);padding:4px var(--bac-space-5) 4px var(--bac-space-5);font-size:var(--bac-text-sm);border-bottom:1px solid rgba(255,255,255,.02);cursor:pointer;transition:background .1s ease;align-items:center}.props-row:hover{background:var(--bac-overlay-hover)}.props-row:hover 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var(--bac-mountain-800);flex-shrink:0;position:relative}.props-search:before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:11px;height:11px;background-color:var(--bac-text-tertiary);-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M15.5 14h-.79l-.28-.27a6.5 6.5 0 1 0-.7.7l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z' fill='currentColor'/></svg>") no-repeat center;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M15.5 14h-.79l-.28-.27a6.5 6.5 0 1 0-.7.7l.27.28v.79l5 4.99L20.49 19l-4.99-5zm-6 0C7.01 14 5 11.99 5 9.5S7.01 5 9.5 5 14 7.01 14 9.5 11.99 14 9.5 14z' fill='currentColor'/></svg>") no-repeat center;opacity:.6;pointer-events:none}.props-search input{width:100%;background:var(--bac-mountain-800);color:var(--bac-text-primary);border:1px solid 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var(--bac-border-subtle);background:var(--bac-surface-elevated);color:var(--bac-text-primary)}.bac-modal__btn:hover{background:var(--bac-surface-panel);border-color:var(--bac-border-strong)}.bac-modal__btn--primary{background:var(--bac-mountain-500);color:#fff;border-color:var(--bac-mountain-500)}.bac-modal__btn--primary:hover{background:var(--bac-mountain-600);border-color:var(--bac-mountain-600)}.bac-modal__btn--danger{background:#c64133;color:#fff;border-color:#c64133}.bac-modal__btn--danger:hover{background:#a8362a;border-color:#a8362a}.bac-modal__btn--ghost{background:transparent}body.is-walk-mode{cursor:none}.walk-crosshair{position:fixed;inset:0;pointer-events:none;z-index:8000;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:24px}.walk-crosshair__dot{width:8px;height:8px;border:1.5px solid rgba(255,255,255,.85);border-radius:50%;background:#ffd14a59;box-shadow:0 0 0 1px #0006,0 0 8px #0000004d}.walk-crosshair__hint{margin-top:8vh;background:#141824c7;color:#fff;font-family:var(--bac-font-mono);font-size:11px;padding:6px 12px;border-radius:999px;letter-spacing:.3px;animation:walkHintFadeOut 1s ease-out 3s forwards}@keyframes walkHintFadeOut{to{opacity:.18}}.mat-picker{position:absolute;top:64px;right:16px;z-index:8500;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #0000003d;padding:10px 12px;min-width:240px;font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);animation:matPickerIn .16s ease-out}@keyframes matPickerIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.mat-picker__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.mat-picker__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md)}.mat-picker__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.mat-picker__close:hover{color:var(--bac-text-primary)}.mat-picker__target{font-size:var(--bac-text-xs);color:var(--bac-text-secondary);margin-bottom:8px;padding:4px 6px;background:var(--bac-surface-elevated);border-radius:var(--bac-radius-sm);border:1px solid var(--bac-border-subtle);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mat-picker__select{width:100%;padding:6px 8px;font-family:inherit;font-size:var(--bac-text-sm);background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);margin-bottom:8px}.mat-picker__select:focus{outline:2px solid var(--bac-mountain-400);outline-offset:-1px}.mat-picker__actions{display:flex;gap:6px}.mat-picker__btn{flex:1;padding:6px 10px;font-family:inherit;font-size:var(--bac-text-xs);border-radius:var(--bac-radius-sm);cursor:pointer;border:1px solid var(--bac-border-subtle)}.mat-picker__btn--primary{background:var(--bac-mountain-500);color:#fff;border-color:var(--bac-mountain-500)}.mat-picker__btn--primary:hover{background:var(--bac-mountain-600)}.mat-picker__btn--ghost{background:transparent;color:var(--bac-text-secondary)}.mat-picker__btn--ghost:hover{background:var(--bac-surface-elevated);border-color:var(--bac-border-strong);color:var(--bac-text-primary)}.levels-panel{position:absolute;top:64px;left:16px;z-index:8400;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;padding:8px;width:220px;font-family:var(--bac-font-sans);font-size:var(--bac-text-sm);animation:matPickerIn .16s ease-out}.levels-panel__head{display:flex;justify-content:space-between;align-items:center;font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md);padding:4px 6px 6px;border-bottom:1px solid var(--bac-border-subtle);margin-bottom:6px}.levels-panel__count{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:999px;padding:1px 6px;font-size:10px;color:var(--bac-text-secondary);margin-left:6px}.levels-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.levels-panel__close:hover{color:var(--bac-text-primary)}.levels-panel__empty{padding:12px 6px;font-size:var(--bac-text-xs);color:var(--bac-text-secondary);line-height:1.5}.levels-panel__empty code{font-family:var(--bac-font-mono);background:var(--bac-surface-elevated);padding:1px 4px;border-radius:3px}.levels-panel__exit{display:block;width:100%;padding:6px 8px;margin-bottom:6px;background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);font-family:inherit;font-size:var(--bac-text-xs);cursor:pointer}.levels-panel__exit:hover{border-color:var(--bac-border-strong);background:var(--bac-surface-panel)}.levels-panel__cut{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);padding:8px;margin-bottom:6px;display:flex;flex-direction:column;gap:6px}.levels-panel__cut-label{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--bac-text-secondary);text-transform:uppercase;letter-spacing:.3px}.levels-panel__cut-value{color:var(--bac-mountain-500, #ff7a45);font-weight:600}.levels-panel__cut-slider{width:100%;margin:0;accent-color:var(--bac-mountain-500, #ff7a45)}.levels-panel__cut-presets{display:grid;grid-template-columns:repeat(5,1fr);gap:2px}.levels-panel__cut-presets button{background:transparent;border:1px solid var(--bac-border-subtle);border-radius:3px;color:var(--bac-text-secondary);cursor:pointer;font-family:var(--bac-font-mono);font-size:9px;padding:3px 0;line-height:1}.levels-panel__cut-presets button:hover{color:var(--bac-mountain-500, #ff7a45);border-color:var(--bac-mountain-500, #ff7a45)}.levels-panel__list{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}.levels-panel__item{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;width:100%;padding:6px 8px;background:transparent;border:1px solid transparent;border-left:2px solid transparent;border-radius:var(--bac-radius-sm);cursor:pointer;font-family:inherit;color:var(--bac-text-primary);text-align:left}.levels-panel__item:hover{background:var(--bac-surface-elevated)}.levels-panel__item.is-active{background:var(--bac-surface-elevated);border-color:var(--bac-border-subtle);border-left-color:var(--bac-mountain-500)}.levels-panel__item-name{font-size:var(--bac-text-sm);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.levels-panel__item-elev{font-size:10px;color:var(--bac-text-secondary)}.civil-panel{position:absolute;top:64px;left:16px;z-index:8350;width:380px;max-height:70vh;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;display:flex;flex-direction:column;overflow:hidden;font-family:var(--bac-font-sans);animation:matPickerIn .16s ease-out}.civil-panel__head{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--bac-border-subtle)}.civil-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md)}.civil-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.civil-panel__close:hover{color:var(--bac-text-primary)}.civil-panel__body{flex:1;overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:8px}.civil-panel__empty{padding:16px 8px;font-size:var(--bac-text-xs);color:var(--bac-text-secondary);text-align:center;line-height:1.5}.civil-panel__empty code{font-family:var(--bac-font-mono);background:var(--bac-surface-elevated);padding:1px 4px;border-radius:3px}.civil-panel__view{display:flex;flex-direction:column;gap:4px}.civil-panel__view-label{font-size:10px;font-family:var(--bac-font-mono);text-transform:uppercase;letter-spacing:.4px;color:var(--bac-text-secondary)}.civil-panel__view-canvas{width:100%;height:180px;background:#1a1f2c;border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);overflow:hidden;position:relative}.civil-panel__hint{font-size:10px;color:var(--bac-text-secondary);text-align:center;font-style:italic}.ml-panel{position:absolute;top:64px;right:16px;z-index:8400;width:280px;max-height:70vh;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;display:flex;flex-direction:column;overflow:hidden;font-family:var(--bac-font-sans);animation:matPickerIn .16s ease-out}.ml-panel__head{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--bac-border-subtle)}.ml-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md)}.ml-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.ml-panel__close:hover{color:var(--bac-text-primary)}.ml-panel__body{flex:1;overflow-y:auto;padding:8px 12px;display:flex;flex-direction:column;gap:8px}.ml-panel__metric{display:flex;justify-content:space-between;align-items:center;font-size:var(--bac-text-xs);color:var(--bac-text-secondary);padding:2px 0}.ml-panel__actions{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:4px}.ml-panel__actions>.ml-btn:first-child{grid-column:1 / -1}.ml-btn{padding:6px 10px;font-family:inherit;font-size:var(--bac-text-xs);border-radius:var(--bac-radius-sm);cursor:pointer;border:1px solid var(--bac-border-subtle);background:var(--bac-surface-elevated);color:var(--bac-text-primary)}.ml-btn:hover:not(:disabled){background:var(--bac-surface-panel);border-color:var(--bac-border-strong)}.ml-btn:disabled{opacity:.45;cursor:not-allowed}.ml-btn--primary{background:var(--bac-mountain-500);color:#fff;border-color:var(--bac-mountain-500)}.ml-btn--primary:hover:not(:disabled){background:var(--bac-mountain-600);border-color:var(--bac-mountain-600)}.ml-btn--ghost{background:transparent}.ml-panel__progress{display:flex;flex-direction:column;gap:4px}.ml-panel__progress-bar{height:6px;background:var(--bac-surface-elevated);border-radius:3px;overflow:hidden}.ml-panel__progress-fill{height:100%;background:var(--bac-mountain-500);transition:width .15s ease-out}.ml-panel__progress-text{font-size:10px;color:var(--bac-text-secondary);text-align:center}.ml-panel__categories{display:flex;flex-direction:column;gap:2px;margin-top:6px}.ml-panel__cat-head{font-size:10px;font-family:var(--bac-font-mono);text-transform:uppercase;letter-spacing:.4px;color:var(--bac-text-secondary);margin-bottom:2px}.ml-panel__cat-row{display:grid;grid-template-columns:12px 1fr auto;gap:6px;align-items:center;padding:3px 4px;border-radius:var(--bac-radius-sm);font-size:var(--bac-text-xs)}.ml-panel__cat-row:hover{background:var(--bac-surface-elevated);cursor:default}.ml-panel__cat-swatch{width:10px;height:10px;border-radius:2px;border:1px solid rgba(0,0,0,.18)}.ml-panel__cat-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sections-panel{position:absolute;top:64px;left:248px;z-index:8400;width:240px;max-height:70vh;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px 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6px;font-size:var(--bac-text-xs);color:var(--bac-text-secondary);text-align:center;line-height:1.5}.sections-panel__list{display:flex;flex-direction:column;gap:2px;max-height:50vh;overflow-y:auto}.sections-panel__item{display:grid;grid-template-columns:1fr auto auto;gap:4px;align-items:center;padding:6px 8px;background:transparent;border:1px solid transparent;border-left:2px solid transparent;border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);font-size:var(--bac-text-sm)}.sections-panel__item:hover{background:var(--bac-surface-elevated)}.sections-panel__item.is-active{background:var(--bac-surface-elevated);border-color:var(--bac-border-subtle);border-left-color:var(--bac-mountain-500)}.sections-panel__item-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sections-panel__item-go,.sections-panel__item-del{background:transparent;border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-secondary);cursor:pointer;padding:2px 6px;font-size:11px;line-height:1}.sections-panel__item-go:hover{color:var(--bac-mountain-500);border-color:var(--bac-mountain-500)}.sections-panel__item-del:hover{color:#e0594a;border-color:#e0594a}.explode-panel{position:absolute;top:64px;left:500px;z-index:8400;width:240px;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;display:flex;flex-direction:column;overflow:hidden;font-family:var(--bac-font-sans);animation:matPickerIn .16s ease-out}.explode-panel__head{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--bac-border-subtle)}.explode-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md)}.explode-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.explode-panel__close:hover{color:var(--bac-text-primary)}.explode-panel__body{padding:10px;display:flex;flex-direction:column;gap:10px}.explode-panel__row{display:grid;grid-template-columns:80px 1fr 60px;gap:8px;align-items:center;font-size:var(--bac-text-xs);color:var(--bac-text-secondary)}.explode-panel__row input[type=range]{width:100%}.explode-panel__val{font-family:var(--bac-font-mono);text-align:right;font-size:11px;color:var(--bac-text-primary)}.explode-panel__hint{font-size:10px;color:var(--bac-text-secondary);line-height:1.4;font-style:italic}.diff-panel{position:absolute;top:64px;right:312px;z-index:8400;width:280px;max-height:80vh;overflow-y:auto;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;font-family:var(--bac-font-sans);animation:matPickerIn .16s ease-out}.diff-panel__head{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-bottom:1px solid var(--bac-border-subtle)}.diff-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md)}.diff-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.diff-panel__close:hover{color:var(--bac-text-primary)}.diff-panel__body{padding:10px;display:flex;flex-direction:column;gap:8px}.diff-panel__empty{padding:12px 4px;font-size:var(--bac-text-xs);color:var(--bac-text-secondary);text-align:center;line-height:1.5}.diff-panel__row{display:grid;grid-template-columns:70px 1fr;gap:6px;align-items:center;font-size:var(--bac-text-xs);color:var(--bac-text-secondary)}.diff-panel__row select{width:100%;padding:4px 6px;background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);font-family:inherit;font-size:var(--bac-text-xs)}.diff-panel__result{margin-top:6px;padding-top:8px;border-top:1px solid var(--bac-border-subtle);display:flex;flex-direction:column;gap:4px}.diff-panel__result-head{font-size:var(--bac-text-xs);color:var(--bac-text-secondary);margin-bottom:4px}.diff-panel__stat{display:grid;grid-template-columns:16px 1fr auto;gap:8px;align-items:center;padding:4px 6px;border-radius:var(--bac-radius-sm);background:var(--bac-surface-elevated)}.diff-panel__stat-dot{width:10px;height:10px;border-radius:50%;border:1px solid rgba(0,0,0,.18)}.diff-panel__stat-label{font-size:var(--bac-text-xs);color:var(--bac-text-primary)}.diff-panel__stat-val{font-family:var(--bac-font-mono);font-size:var(--bac-text-sm);font-weight:var(--bac-weight-semi)}.diff-panel__stat--added .diff-panel__stat-dot{background:#5bbf6a}.diff-panel__stat--removed .diff-panel__stat-dot{background:#e0594a}.diff-panel__stat--modified .diff-panel__stat-dot{background:#e0a04a}.diff-panel__stat--unchanged .diff-panel__stat-dot{background:#88909c}.diff-panel__totals{font-size:10px;font-family:var(--bac-font-mono);color:var(--bac-text-secondary);text-align:center;padding:4px 0}.annotation-panel{position:absolute;top:64px;right:16px;z-index:8400;width:300px;max-height:78vh;display:flex;flex-direction:column;background:var(--bac-surface-panel);border:1px solid var(--bac-border-strong);border-radius:var(--bac-radius-md);box-shadow:0 8px 24px #00000038;font-family:var(--bac-font-sans);overflow:hidden;animation:matPickerIn .16s ease-out}.annotation-panel__head{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--bac-border-subtle)}.annotation-panel__title{font-family:var(--bac-font-display);font-weight:var(--bac-weight-semi);font-size:var(--bac-text-md);flex:1}.annotation-panel__count{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:999px;padding:1px 8px;font-size:10px;color:var(--bac-text-secondary)}.annotation-panel__close{background:transparent;border:none;cursor:pointer;font-size:18px;line-height:1;padding:0 4px;color:var(--bac-text-secondary)}.annotation-panel__close:hover{color:var(--bac-text-primary)}.annotation-panel__body{flex:1;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:10px}.annotation-panel__hint{font-size:11px;color:var(--bac-text-secondary);line-height:1.4}.annotation-panel__hint kbd{background:var(--bac-surface-elevated);border:1px solid var(--bac-border-subtle);border-radius:3px;padding:0 4px;font-family:var(--bac-font-mono);font-size:10px}.annotation-panel__types{display:grid;grid-template-columns:repeat(2,1fr);gap:4px}.annotation-panel__type{display:flex;align-items:center;gap:6px;padding:6px 8px;background:transparent;border:1px solid var(--bac-border-subtle);border-radius:var(--bac-radius-sm);color:var(--bac-text-primary);font-family:inherit;font-size:11px;cursor:pointer}.annotation-panel__type:hover{background:var(--bac-surface-elevated)}.annotation-panel__type.is-active{background:var(--anno-color, 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