:root{font-family:Inter,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;color-scheme:dark;--page-bg: radial-gradient(circle at top, #101a32 0%, #03060e 60%);--sidebar-bg: rgba(5, 10, 20, .9);--surface: rgba(17, 24, 39, .8);--surface-alt: rgba(12, 17, 28, .95);--panel-border: rgba(255, 255, 255, .08);--input-bg: rgba(255, 255, 255, .05);--text-primary: #f4f6ff;--text-muted: #9aa6c2;--brand-color: #4dd2ff;--brand-strong: #6c7bff;--range-track: rgba(255, 255, 255, .12);--range-fill: linear-gradient(90deg, #4dd2ff, #7c5bff);--scroll-thumb: rgba(255, 255, 255, .3);--scroll-track: transparent;--shadow-strong: 0 25px 80px rgba(3, 6, 14, .85)}:root[data-theme=light]{color-scheme:light;--page-bg: radial-gradient(circle at top, #fefefe 0%, #e3ecfb 65%);--sidebar-bg: rgba(255, 255, 255, .85);--surface: rgba(243, 246, 255, .95);--surface-alt: rgba(235, 240, 253, .95);--panel-border: rgba(15, 23, 42, .12);--input-bg: rgba(15, 23, 42, .04);--text-primary: #0f172a;--text-muted: #54627b;--brand-color: #2563eb;--brand-strong: #0ea5e9;--range-track: rgba(15, 23, 42, .15);--range-fill: linear-gradient(90deg, #2563eb, #0ea5e9);--scroll-thumb: rgba(15, 23, 42, .3);--scroll-track: rgba(15, 23, 42, .08);--shadow-strong: 0 30px 60px rgba(15, 23, 42, .18)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--page-bg);color:var(--text-primary);overflow:hidden}#app{display:grid;grid-template-columns:minmax(340px,420px) minmax(0,1fr) minmax(300px,360px);grid-template-areas:"sidebar stage motion";min-height:100vh;position:relative}.sidebar{position:relative;background:var(--sidebar-bg);border-right:1px solid var(--panel-border);box-shadow:var(--shadow-strong);grid-area:sidebar}.motion-sidebar{position:relative;background:var(--sidebar-bg);border-left:1px solid var(--panel-border);box-shadow:var(--shadow-strong);grid-area:motion}.sidebar-scroll,.motion-scroll{height:100vh;overflow-y:auto;overflow-x:hidden;padding:32px 32px 40px;display:flex;flex-direction:column;gap:32px}.motion-scroll{scrollbar-color:var(--scroll-thumb) var(--scroll-track)}.motion-scroll::-webkit-scrollbar{width:10px}.motion-scroll::-webkit-scrollbar-track{background:var(--scroll-track);border-radius:999px}.motion-scroll::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:999px;border:2px solid transparent}.sidebar-scroll{scrollbar-color:var(--scroll-thumb) var(--scroll-track)}.sidebar-scroll::-webkit-scrollbar{width:10px}.sidebar-scroll::-webkit-scrollbar-track{background:var(--scroll-track);border-radius:999px}.sidebar-scroll::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:999px;border:2px solid transparent}.sidebar-header{position:relative}.branding-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.branding-meta{display:flex;align-items:center;gap:14px}.logo-mark{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#4dd2ff33,#6c5bff33);display:grid;place-items:center;border:1px solid var(--panel-border)}.logo-mark img{width:34px;height:34px}.brand-title{margin:0;font-size:1.25rem;font-weight:600}.brand-tagline{margin:2px 0 0;font-size:.8rem;letter-spacing:.25em;text-transform:uppercase;color:var(--brand-color)}.settings-trigger{width:44px;height:44px;display:grid;place-items:center;cursor:pointer;background:transparent;border:none}.settings-trigger img{width:25px;height:25px}.settings-panel{position:absolute;top:8px;left:0;width:280px;padding:18px;border-radius:18px;border:1px solid var(--panel-border);background:var(--surface);box-shadow:var(--shadow-strong);opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;z-index:1400}.settings-panel[data-open=true]{opacity:1;pointer-events:auto;transform:translateY(0) translate(50px)}.settings-panel__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.icon-button{width:34px;height:34px;border-radius:50%;border:1px solid transparent;background:#ffffff0a;color:var(--text-primary);cursor:pointer;font-size:1.2rem;line-height:1}.settings-panel__body{display:flex;flex-direction:column;gap:16px}.settings-group{display:flex;flex-direction:column;gap:10px}.settings-label{margin:0;font-size:.85rem;text-transform:uppercase;letter-spacing:.18em;color:var(--text-muted)}.pill-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.pill-button{border-radius:999px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);padding:10px 16px;font-weight:500;cursor:pointer;transition:border-color .2s ease,background .2s ease,color .2s ease,transform .2s ease}.pill-button.active{background:var(--brand-color);border-color:transparent;color:#fff;transform:translateY(-1px)}.select-wrapper select,.input-wrapper input{width:100%;border-radius:12px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);font-size:.95rem;padding:10px 14px;font-family:inherit}.dropdown{position:relative}.dropdown-trigger{width:100%;border-radius:12px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);font-size:.95rem;padding:12px 14px;font-family:inherit;display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;transition:border-color .2s ease,background .2s ease,color .2s ease,box-shadow .2s ease}.dropdown-trigger:focus-visible{outline:none;border-color:var(--brand-color);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand-color) 30%,transparent)}.dropdown-caret{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--text-muted);transition:transform .2s ease}.dropdown[data-open=true] .dropdown-caret{transform:rotate(180deg)}.dropdown-list{position:absolute;left:0;right:0;top:calc(100% + 6px);margin:0;padding:6px 0;list-style:none;border-radius:12px;border:1px solid var(--panel-border);background:var(--page-bg);box-shadow:0 20px 40px #02050f40;max-height:240px;overflow-y:auto;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-4px);transition:opacity .2s ease,transform .2s ease;z-index:10}.dropdown[data-open=true] .dropdown-list{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}.dropdown-item{padding:10px 14px;font-size:.95rem;color:var(--text-primary);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;transition:background .15s ease,color .15s ease}.dropdown-item:hover,.dropdown-item[aria-selected=true]{background:color-mix(in srgb,var(--brand-color) 12%,transparent);color:var(--text-primary)}.dropdown-item small{color:var(--text-muted)}.dropdown--dense .dropdown-trigger{padding:10px 12px;font-size:.9rem}.dropdown--dense .dropdown-item{padding:8px 12px;font-size:.9rem}.dropdown[data-disabled=true] .dropdown-trigger{opacity:.6;pointer-events:none}.dropdown[data-disabled=true] .dropdown-list{display:none}.panel-section{display:flex;flex-direction:column;gap:22px}.measurement-export{margin-top:12px}.export-button{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px}.export-icon{width:18px;height:18px;flex:0 0 auto}.export-icon--dark{display:none}html[data-theme=dark] .export-icon--dark{display:block}html[data-theme=dark] .export-icon--light{display:none}.section-heading{display:flex;flex-direction:column;gap:12px}.section-heading h1,.section-heading h2{margin:4px 0 0;letter-spacing:-.02em}.eyebrow{margin:0;text-transform:uppercase;letter-spacing:.28em;font-size:.72rem;color:var(--text-muted)}.ghost-button{border-radius:999px;border:1px solid var(--panel-border);background:transparent;color:var(--text-primary);padding:8px 18px;font-weight:500;cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease}.ghost-button:hover:not(:disabled){border-color:var(--brand-color);color:var(--brand-color)}.ghost-button:disabled{opacity:.45;cursor:not-allowed}.ghost-button--small{padding:6px 14px;font-size:.8rem}.control-card{margin-top:1rem;padding-top:1rem;border:none;border-top:1px solid var(--panel-border)}.select-control select{width:100%;border-radius:16px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);font-size:.95rem;padding:12px 14px;font-family:inherit}.control-group{display:flex;flex-direction:column;gap:12px}.control-label{font-size:.78rem;text-transform:uppercase;letter-spacing:.2em;color:var(--text-muted)}.segmented{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.segmented-button{border-radius:18px;border:1px solid var(--panel-border);background:var(--input-bg);padding:14px;cursor:pointer;transition:border-color .2s ease,background .2s ease,transform .2s ease}.segmented-button.active{background:var(--brand-color);border-color:transparent;color:#fff;transform:translateY(-1px)}.label-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.input-wrapper{min-width:110px}.slider-control input[type=number]{font-variant-numeric:tabular-nums}.value-row{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--text-muted)}.value{font-size:1.3rem;font-variant-numeric:tabular-nums;color:var(--text-primary)}.range-hint{font-size:.8rem}input[type=range]{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:10px;border-radius:999px;background:var(--range-track);position:relative}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:15px;height:15px;border-radius:50%;background:var(--brand-color);cursor:e-resize}input[type=range]::-moz-range-thumb{width:15px;height:15px;border-radius:50%;background:var(--brand-color);cursor:e-resize}.select-control select,.measurement-number,.input-wrapper input{outline:none}.select-control select:focus,.input-wrapper input:focus,.measurement-number:focus{border-color:var(--brand-color)}.measurement-section{display:flex;flex-direction:column;gap:14px;padding:20px;border-radius:22px;border:1px solid var(--panel-border);background:var(--surface-alt)}.measurement-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.accordion-trigger{border:none;background:transparent;color:inherit;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0;font:inherit;cursor:pointer}.chevron{width:14px;height:14px;border-right:2px solid var(--text-primary);border-bottom:2px solid var(--text-primary);transform:rotate(45deg) translate(5px) translateY(5px);transition:transform .2s ease}#measurement-toggle[aria-expanded=true] .chevron{transform:rotate(225deg) translate(-10px) translateY(-10px)}.measurement-copy{margin:0;color:var(--text-muted);font-size:.9rem;line-height:1.5}.measurement-panel{display:flex;flex-direction:column;gap:16px;transition:max-height .35s ease,opacity .25s ease,padding .25s ease}.measurement-panel[data-collapsed=true]{max-height:0;opacity:0;padding-top:0;padding-bottom:0;margin-top:0;pointer-events:none}.measurement-panel.is-disabled{opacity:.45;pointer-events:none}.measurement-empty{margin:0;text-align:center;color:var(--text-muted)}.measurement-list{display:flex;flex-direction:column;gap:14px}.measurement-panel[data-collapsed=true] .measurement-list{max-height:0;overflow:hidden}.measurement-control{border-top:1px solid var(--panel-border);padding:1rem;display:flex;flex-direction:column;gap:12px}.measurement-control.is-disabled{opacity:.5}.measurement-header-row{display:flex;justify-content:space-between;align-items:center}.measurement-title{margin:0;display:flex;flex-direction:column;gap:2px}.measurement-name{margin:0;font-size:.95rem}.measurement-status{margin:0;font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;color:var(--text-muted)}.measurement-unit-label{font-size:.85rem;color:var(--text-muted)}.measurement-slider-row{display:flex;align-items:center;gap:12px}.measurement-number-wrapper{display:inline-flex;align-items:center;gap:8px;border-radius:12px;border:1px solid var(--panel-border);background:var(--input-bg);padding:6px 10px}.measurement-number-wrapper span{font-size:.85rem;color:var(--text-muted)}.measurement-number{width:80px;border:none;background:transparent;color:var(--text-primary);font-size:.95rem;font-variant-numeric:tabular-nums}.measurement-number:disabled{opacity:.6}.measurement-meta-row{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-muted)}.measurement-value{font-size:1rem;font-variant-numeric:tabular-nums;color:var(--text-primary)}.link-button{border:none;background:transparent;color:var(--brand-color);cursor:pointer;padding:0;font-size:.85rem}.loader-status{border:1px solid var(--panel-border);border-radius:18px;padding:16px;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,color-mix(in srgb,var(--panel-surface) 80%,transparent),color-mix(in srgb,var(--panel-surface) 20%,var(--panel-border)));transition:border-color .2s ease,background .2s ease}.loader-status--flush{border-radius:24px;padding:18px 20px}.loader-actions{display:flex;align-items:center;gap:12px}.loader-copy{display:flex;flex-direction:column;gap:2px}.loader-label{margin:0;font-size:.9rem;color:var(--text-primary)}.loader-meta{margin:0;font-size:.85rem;color:var(--text-muted);font-variant-numeric:tabular-nums}.loader-percent{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.loader-status[data-state=loading] .loader-percent{color:var(--brand-color)}.loader-status[data-state=error]{border-color:#fb7185}.loader-status[data-state=error] .loader-label,.loader-status[data-state=error] .loader-percent{color:#fb7185}.loader-status[data-state=ready]{border-color:#4ade80}.loader-status[data-state=ready] .loader-label,.loader-status[data-state=ready] .loader-percent{color:#4ade80}.loader-bar{width:100%;height:6px;border-radius:999px;background:color-mix(in srgb,var(--panel-border) 70%,transparent);overflow:hidden}.section-heading+.loader-bar{margin-top:4px}.loader-bar__fill{display:block;height:100%;width:0%;border-radius:inherit;background:var(--brand-color);transition:width .25s ease}.measurement-actions{display:flex;align-items:center;gap:8px}#three-root{position:relative;background:var(--page-bg);width:100%;min-height:100vh;grid-area:stage}#settings-panel{grid-area:sidebar}canvas{display:block}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.motion-header{display:flex;flex-direction:column;gap:4px}.motion-status{margin:0;font-size:.9rem;color:var(--text-muted)}.motion-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.motion-tab{border-radius:16px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;font-weight:600;transition:border-color .2s ease,background .2s ease,color .2s ease,transform .2s ease}.motion-tab[aria-selected=true]{background:var(--brand-color);border-color:transparent;color:#fff;transform:translateY(-1px)}.motion-tab__meta{font-size:.85rem;color:inherit;opacity:.85}.motion-panel{display:flex;flex-direction:column;gap:20px}.motion-panel[hidden]{display:none}.motion-search{position:relative}.motion-search input{width:100%;border-radius:14px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);padding:12px 40px 12px 16px;font-size:.95rem;font-family:inherit}.search-icon{position:absolute;right:14px;top:50%;width:16px;height:16px;border-radius:999px;border:2px solid var(--text-muted);transform:translateY(-50%)}.search-icon:after{content:"";position:absolute;width:6px;height:2px;background:var(--text-muted);bottom:-5px;right:-4px;transform:rotate(45deg);border-radius:999px}.motion-list{display:flex;flex-direction:column;gap:10px}.motion-empty{margin:0;text-align:center;color:var(--text-muted);font-size:.9rem}.motion-card{border:1px solid var(--panel-border);background:color-mix(in srgb,var(--input-bg) 70%,transparent);padding:10px 12px;border-radius:16px;display:flex;flex-direction:row;align-items:center;gap:12px;cursor:pointer;color:var(--text-primary);font-family:inherit;width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;text-align:left}.motion-card__preview{width:44px;height:44px;flex:0 0 44px;border-radius:14px;border:1px solid var(--panel-border);--motion-accent-hue: 200;--motion-accent-hue-2: 260;background:linear-gradient(135deg,hsl(var(--motion-accent-hue) 92% 62% / .22),hsl(var(--motion-accent-hue-2) 92% 62% / .32));position:relative;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.motion-card__preview[data-motion-kind=animations]{background:linear-gradient(135deg,hsl(var(--motion-accent-hue) 88% 60% / .28),hsl(var(--motion-accent-hue-2) 88% 60% / .38))}.motion-card__preview:after{content:"";position:absolute;top:26%;right:26%;bottom:26%;left:26%;border-radius:10px;border:1px solid rgba(255,255,255,.12);transform:rotate(8deg)}.motion-card__label{margin:0;font-size:.95rem;font-weight:600;letter-spacing:-.01em;line-height:1.15}.motion-card:is(:hover,:focus-visible) .motion-card__preview{border-color:var(--brand-color);box-shadow:0 0 0 1px color-mix(in srgb,var(--brand-color) 45%,transparent);transform:translateY(-1px)}.motion-card:is(:hover,:focus-visible){border-color:color-mix(in srgb,var(--brand-color) 45%,var(--panel-border));box-shadow:0 0 0 1px color-mix(in srgb,var(--brand-color) 18%,transparent)}.motion-card.is-active .motion-card__preview{border-color:var(--brand-color);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand-color) 45%,transparent)}.motion-card.is-active{border-color:var(--brand-color);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand-color) 22%,transparent)}.motion-card:focus-visible{outline:none}@media (max-width: 1100px){#app{grid-template-columns:minmax(300px,360px) minmax(0,1fr);grid-template-areas:"sidebar stage" "motion motion"}.motion-scroll{height:auto}.motion-list{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.settings-panel{right:0;transform:translate(0)}}.mobile-nav{display:none}@media (max-width: 900px){:root{--mobile-nav-height: 56px}body{overflow:hidden}#app{display:block;height:100svh;min-height:100svh}.sidebar,.motion-sidebar,#three-root{position:absolute;left:0;right:0;top:0;bottom:var(--mobile-nav-height)}.sidebar-scroll,.motion-scroll{height:calc(100svh - var(--mobile-nav-height));padding:24px 20px}#three-root{height:calc(100svh - var(--mobile-nav-height));min-height:0}#app:not([data-mobile-page]) .sidebar,#app:not([data-mobile-page]) .motion-sidebar{display:none}#app[data-mobile-page=controls] #three-root,#app[data-mobile-page=controls] .motion-sidebar,#app[data-mobile-page=view] .sidebar,#app[data-mobile-page=view] .motion-sidebar,#app[data-mobile-page=motion] #three-root,#app[data-mobile-page=motion] .sidebar{display:none}.settings-panel{position:fixed;left:12px;right:12px;top:12px;bottom:calc(var(--mobile-nav-height) + 12px);width:auto;max-width:520px;overflow:auto;-webkit-overflow-scrolling:touch;background:var(--page-bg)}.settings-panel[data-open=true]{transform:translateY(0) translate(0)}.mobile-nav{position:fixed;left:0;right:0;bottom:0;height:var(--mobile-nav-height);display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;padding:10px 12px;background:var(--sidebar-bg);border-top:1px solid var(--panel-border);z-index:1200}.mobile-nav__button{border-radius:14px;border:1px solid var(--panel-border);background:var(--input-bg);color:var(--text-primary);font-weight:700;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease}.mobile-nav__button[aria-current=page]{background:var(--brand-color);border-color:transparent;color:#fff}}@media (min-width: 901px){.mobile-nav{display:none}}@media (max-width: 520px){.motion-list{grid-template-columns:1fr}}.toggle-switch{position:relative;display:inline-block;width:44px;height:24px}.toggle-switch__checkbox{opacity:0;width:0;height:0}.toggle-switch__slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--input-bg);transition:.2s;border-radius:24px;border:1px solid var(--panel-border)}.toggle-switch__slider:before{position:absolute;content:"";height:16px;width:16px;left:3px;bottom:3px;background-color:var(--text-muted);transition:.2s;border-radius:50%}.toggle-switch__checkbox:checked+.toggle-switch__slider{background-color:var(--brand-color);border-color:transparent}.toggle-switch__checkbox:checked+.toggle-switch__slider:before{transform:translate(20px);background-color:#fff}.alpha-warning{margin-top:2rem;padding:1rem;background-color:#ffc1071a;border:1px solid #ffc10766;border-radius:8px;color:#ffc107;font-size:.875rem}.alpha-warning__text{margin:0;line-height:1.4}.alpha-warning__text strong{color:gold}