:root{color-scheme:light dark;--z-topbar: 100;--z-bottom-panel: 100;--z-ar-btn: 101;--z-variant: 50;--z-dimension: 60;--z-human: 55;--z-modal: 200;--z-modal-content: 201;--font-sans: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--ease-luxury: cubic-bezier(.22, 1, .36, 1);--transition-fast: .25s var(--ease-luxury);--transition: .32s var(--ease-luxury);--transition-slow: .4s var(--ease-luxury);--space-1: .5rem;--space-2: .75rem;--space-3: 1rem;--space-4: 1.5rem;--space-5: 2rem;--radius-lg: 24px;--radius-md: 16px;--radius-sm: 12px;--danger: #d97757;--success: #6fae8d;--safe-top: env(safe-area-inset-top, 0px);--safe-right: env(safe-area-inset-right, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-left: env(safe-area-inset-left, 0px)}[data-theme=light]{--bg: #f4efe7;--bg-elevated: #e8dfd1;--bg-soft: #efe7dc;--bg-card: #f8f4ed;--text: #2f241c;--text-muted: #6a5847;--accent: #b88a5a;--accent-hover: #9c734b;--accent-strong: #9c734b;--border: rgba(120, 90, 60, .12);--shadow: 0 24px 60px rgba(88, 62, 36, .12);--shadow-soft: 0 14px 34px rgba(88, 62, 36, .08);--shadow-hover: 0 28px 70px rgba(88, 62, 36, .16);--glass-bg: rgba(248, 244, 237, .78);--glass-border: rgba(120, 90, 60, .14);--overlay-strong: linear-gradient(180deg, rgba(47, 36, 28, 0) 38%, rgba(47, 36, 28, .72) 100%);--page-gradient: radial-gradient(circle at top, rgba(184, 138, 90, .14), transparent 34%), linear-gradient(180deg, #f8f4ed 0%, var(--bg) 100%);--button-text: #fff8ef;--badge-bg: rgba(248, 244, 237, .88);--diagram-room-fill: rgba(184, 138, 90, .08);--diagram-room-stroke: rgba(120, 90, 60, .24);--diagram-furniture-fill: rgba(184, 138, 90, .42);--diagram-furniture-stroke: #b88a5a}[data-theme=dark]{--bg: #111111;--bg-elevated: #1a1a1a;--bg-soft: #202020;--bg-card: #202020;--text: #f3f3f3;--text-muted: #b8b0a3;--accent: #c69a63;--accent-hover: #d6ad78;--accent-strong: #e0c58a;--border: rgba(255, 255, 255, .08);--shadow: 0 24px 60px rgba(0, 0, 0, .45);--shadow-soft: 0 14px 34px rgba(0, 0, 0, .28);--shadow-hover: 0 28px 70px rgba(0, 0, 0, .55);--glass-bg: rgba(17, 17, 17, .78);--glass-border: rgba(255, 255, 255, .08);--overlay-strong: linear-gradient(180deg, rgba(0, 0, 0, 0) 38%, rgba(0, 0, 0, .72) 100%);--page-gradient: radial-gradient(circle at top, rgba(198, 154, 99, .12), transparent 32%), linear-gradient(180deg, #171717 0%, var(--bg) 100%);--button-text: #17130d;--badge-bg: rgba(17, 17, 17, .72);--diagram-room-fill: rgba(255, 255, 255, .04);--diagram-room-stroke: rgba(255, 255, 255, .18);--diagram-furniture-fill: rgba(198, 154, 99, .55);--diagram-furniture-stroke: #e0c58a}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden;max-width:100vw;overscroll-behavior:none}body{margin:0;min-height:100vh;min-height:100dvh;max-width:100vw;overflow-x:hidden;overscroll-behavior:none;font-family:var(--font-sans);background:var(--page-gradient);color:var(--text);line-height:1.55;letter-spacing:-.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-webkit-tap-highlight-color:transparent;transition:background var(--transition-slow),color var(--transition-slow)}body.app-shell{opacity:0}body.app-shell.is-loaded{opacity:1;transition:opacity var(--transition-slow),background var(--transition-slow),color var(--transition-slow)}img,svg{display:block;max-width:100%;height:auto}img{object-fit:cover}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}:focus-visible{outline:2px solid color-mix(in srgb,var(--accent) 70%,white);outline-offset:3px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:2.85rem;border:0;border-radius:999px;padding:.9rem 1.25rem;font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;transition:transform var(--transition),filter var(--transition),box-shadow var(--transition),background var(--transition-slow),color var(--transition-slow)}.button--primary{background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:var(--button-text);box-shadow:var(--shadow-soft)}.button--primary:hover{filter:brightness(1.04);box-shadow:var(--shadow);transform:translateY(-1px)}.chip{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:999px;padding:.45rem .75rem;background:color-mix(in srgb,var(--bg-card) 90%,transparent);color:var(--text-muted);font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.chip--category{color:var(--accent)}.media-frame{position:relative;overflow:hidden;background:var(--bg-soft)}.media-frame.is-loading:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;background:linear-gradient(110deg,transparent 0%,color-mix(in srgb,var(--bg-card) 40%,white) 45%,transparent 100%);transform:translate(-120%);animation:shimmer 1.4s var(--ease-luxury) infinite}.media-frame.has-error:after{content:"Image unavailable";position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:color-mix(in srgb,var(--bg-soft) 88%,transparent);color:var(--text-muted);font-size:.85rem}.skeleton-block{border-radius:var(--radius-sm);background:linear-gradient(110deg,color-mix(in srgb,var(--bg-soft) 88%,transparent),color-mix(in srgb,var(--bg-card) 70%,white),color-mix(in srgb,var(--bg-soft) 88%,transparent));background-size:220% 100%;animation:shimmer 1.4s var(--ease-luxury) infinite}.skeleton-block--media{width:100%;height:100%}.skeleton-block--chip{width:42%;height:1.6rem}.skeleton-block--line{width:72%;height:1rem}.skeleton-block--button{width:46%;height:2.8rem;border-radius:999px}.state-panel{padding:var(--space-5) var(--space-3);border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--glass-bg);box-shadow:var(--shadow-soft)}.state-panel--centered{text-align:center}.state-panel__eyebrow{margin:0 0 var(--space-2);color:var(--accent);font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase}.state-panel__copy{max-width:34rem;margin:var(--space-2) auto var(--space-4);color:var(--text-muted)}@keyframes shimmer{0%{background-position:200% 0;transform:translate(-120%)}to{background-position:-200% 0;transform:translate(120%)}}#app{width:min(1180px,calc(100% - 2rem));margin:0 auto;padding:1.75rem 0 3.5rem}.theme-toggle{position:fixed;top:calc(1rem + var(--safe-top));right:calc(1rem + var(--safe-right));z-index:95;display:grid;place-items:center;width:3.25rem;height:3.25rem;border:1px solid var(--glass-border);border-radius:999px;background:var(--glass-bg);color:var(--accent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow-soft);transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition),background var(--transition-slow),color var(--transition-slow)}.theme-toggle:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--accent) 35%,transparent);box-shadow:var(--shadow-hover)}.theme-toggle__icon{position:absolute;width:1.2rem;height:1.2rem;transition:opacity var(--transition),transform var(--transition)}.theme-toggle__icon svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.theme-toggle__icon--sun{opacity:0;transform:scale(.8) rotate(-20deg)}.theme-toggle__icon--moon,.theme-toggle[data-theme=light] .theme-toggle__icon--sun{opacity:1;transform:scale(1) rotate(0)}.theme-toggle[data-theme=light] .theme-toggle__icon--moon{opacity:0;transform:scale(.8) rotate(20deg)}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (max-width: 767px){.theme-toggle{top:.75rem;right:.75rem;width:3rem;height:3rem}}.viewer-header__actions,.variant-selector,.dimension-overlay,.human-reference,.viewer-ground-glow{transition:opacity var(--transition),transform var(--transition),background var(--transition-slow)}.variant-selector{position:relative;z-index:var(--z-variant, 50);margin-bottom:1rem;padding:12px 20px;border:1px solid var(--glass-border);border-radius:var(--radius-lg);background:var(--glass-bg);box-shadow:var(--shadow-soft)}.variant-selector__header{display:flex;justify-content:space-between;gap:1rem;margin-bottom:.85rem}.variant-selector__eyebrow{margin:0 0 .35rem;color:var(--accent);font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.variant-selector__swatches{display:flex;flex-direction:row;flex-wrap:wrap;gap:10px}.variant-selector__swatch{display:grid;gap:.45rem;justify-items:center;min-width:5.5rem;border:1px solid var(--border);border-radius:999px;padding:.45rem .7rem .55rem;background:color-mix(in srgb,var(--bg-card) 88%,transparent);color:var(--text-muted);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.variant-selector__swatch img{width:2.4rem;height:2.4rem;border-radius:999px;object-fit:cover}.variant-selector__swatch.is-active{border-color:color-mix(in srgb,var(--accent) 40%,transparent);box-shadow:0 0 0 6px color-mix(in srgb,var(--accent) 12%,transparent);color:var(--text);transform:translateY(-1px)}.variant-selector__swatch.swatch{border-radius:50%;min-width:unset;width:auto;height:auto;padding:.35rem;border:2px solid transparent}.variant-selector__swatch.swatch img{width:32px;height:32px}.variant-selector__swatch.swatch span{display:none}.variant-selector__swatch.swatch.is-active{border-color:var(--accent);transform:scale(1.15);box-shadow:none}.viewer-ground-glow{position:absolute;left:10%;right:10%;bottom:12%;height:18%;border-radius:50%;background:radial-gradient(circle,rgba(0,0,0,.18),transparent 70%);pointer-events:none}.dimension-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:var(--z-dimension, 60);pointer-events:none;opacity:0;transition:opacity .3s ease}.dimension-overlay.is-visible{opacity:1}.dimension-overlay__line{position:absolute;border:1px dashed color-mix(in srgb,var(--accent) 55%,transparent);color:var(--text);font-size:.72rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.dimension-overlay__line span{position:absolute;padding:.2rem .45rem;border-radius:999px;background:var(--glass-bg)}.dimension-overlay__line--width{top:8%;left:12%;right:12%;height:0}.dimension-overlay__line--depth{top:18%;bottom:18%;left:8%;width:0}.dimension-overlay__line--height{right:10%;top:18%;bottom:30%;width:0}.human-reference{position:absolute;bottom:0;right:15%;z-index:var(--z-human, 55);display:grid;justify-items:center;gap:.35rem;height:60%;width:auto;color:color-mix(in srgb,var(--text-muted) 80%,transparent);opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity var(--transition),transform var(--transition)}.human-reference.is-visible{opacity:.25;transform:translateY(0)}.human-reference svg{width:auto;height:100%;max-height:100%}