*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;border:none}html{font-family:Inter,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}body{background:radial-gradient(circle at 50% 38%,#324a63 0%,var(--slate-900) 72%);color:var(--color-text-primary);overflow:hidden;height:100vh}button{background:none;cursor:pointer;font-family:inherit;color:inherit}.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}:root{--hud-gap: 14px;--pill-h: 44px;--top-zone: calc(var(--hud-gap) + var(--pill-h) + 10px);--dock-w: 304px;--cube: 120px;--rail-w: 54px}canvas{display:block;position:fixed;top:0;right:0;bottom:0;left:0;width:100vw!important;height:100vh!important;height:100dvh!important;outline:none}#navbar{position:fixed;top:var(--hud-gap);left:var(--hud-gap);height:var(--pill-h);z-index:60;display:inline-flex;align-items:center;gap:.55rem;width:max-content;max-width:calc(100vw - 2 * 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(var(--dock-w) + var(--hud-gap) + 6px)));opacity:0;pointer-events:none}#sidebar-toggle{position:fixed;top:calc((var(--top-zone) + 100dvh - var(--hud-gap)) / 2);left:calc(var(--hud-gap) + var(--dock-w) - 1px);transform:translateY(-50%);z-index:55;width:16px;height:54px;background:var(--glass-strong);border:1px solid var(--glass-line);border-left:none;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border-radius:0 var(--r-sm) var(--r-sm) 0;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--color-text-tertiary);box-shadow:8px 0 18px -10px #0000008c;transition:left var(--dur) var(--ease),background var(--dur),color var(--dur)}#sidebar-toggle:hover{background:var(--color-bg-tertiary);color:var(--color-text-primary)}#sidebar-toggle svg{display:block;transition:transform var(--dur) var(--ease)}#sidebar-toggle.collapsed svg{transform:rotate(180deg)}#sidebar-toggle.collapsed{left:0}@media (max-width: 860px){:root{--dock-w: auto;--cube: 96px}#navbar{padding:0 .85rem}#sidebar{left:var(--hud-gap);right:var(--hud-gap);width:auto;max-height:56dvh}#sidebar.collapsed{transform:translateY(-12px)}#sidebar-toggle{top:calc(var(--top-zone) + 6px);left:auto;right:var(--hud-gap);transform:none;width:28px;height:28px;border:1px solid var(--glass-line);border-radius:50%}#sidebar-toggle.collapsed{left:auto;right:var(--hud-gap)}}.panel-section{padding:1.125rem 1.25rem;border-bottom:1px solid var(--color-border);flex-shrink:0}body.import-busy .collapsible-section,body.import-busy #measure-btn,body.import-busy #gizmo-btn,body.import-busy #screenshot-btn,body.import-busy #export-wrap,body.import-busy #share-btn,body.import-busy #measure-modes,body.import-busy #gizmo-toolbar{pointer-events:none;opacity:.55;filter:saturate(.7);transition:opacity .12s ease,filter .12s ease}body.view-only-mode .collapsible-section,body.view-only-mode #measure-btn,body.view-only-mode #gizmo-btn,body.view-only-mode #export-wrap,body.view-only-mode #measure-modes,body.view-only-mode #gizmo-toolbar{pointer-events:none;opacity:.4;filter:saturate(.3)}.panel-section:last-child{border-bottom:none}.section-label{font-size:.6875rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-tertiary);margin-bottom:.875rem}#drop-zone{border:1.5px dashed rgba(255,255,255,.13);border-radius:var(--r-md);padding:1.375rem 1rem;text-align:center;cursor:pointer;transition:border-color var(--dur),background var(--dur);background:rgba(255,255,255,.02);outline:none}#drop-zone:hover,#drop-zone:focus-visible{border-color:var(--color-blue-primary);background:rgba(var(--accent-rgb),.05)}#drop-zone.has-model{border-style:solid;border-color:#34d39966;background:rgba(52,211,153,.04)}.dz-icon{width:28px;height:28px;margin:0 auto .625rem;color:var(--color-text-tertiary);display:block}#drop-zone.has-model 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.28s}.toast.show{transform:translate(0);opacity:1}.toast.hide{transform:translate(115%);opacity:0}.toast-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0}.toast.success .toast-dot{background:var(--color-green)}.toast.error .toast-dot{background:var(--color-red)}.toast.info .toast-dot{background:var(--color-blue-primary)}.toast-spinner{width:12px;height:12px;border-radius:50%;border:2px solid var(--color-border);border-top-color:var(--color-blue-primary);flex-shrink:0;animation:toast-spin .7s linear infinite}@keyframes toast-spin{to{transform:rotate(360deg)}}.section-hdr{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:none;padding:0;cursor:pointer;margin-bottom:.875rem}.section-hdr .section-label{margin-bottom:0;pointer-events:none}.section-chevron{color:var(--color-text-tertiary);flex-shrink:0;transition:transform var(--dur) var(--ease)}.section-hdr[aria-expanded=false] 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var(--dur),box-shadow var(--dur);box-shadow:0 6px 18px -8px #6ee7a8e6}.repair-download:hover:not(:disabled){filter:brightness(1.06);box-shadow:0 8px 22px -8px #6ee7a8}.repair-download:active{transform:translateY(1px)}.repair-download:disabled{opacity:.6;cursor:wait}.repair-download svg{flex:0 0 auto}@media (prefers-reduced-motion: reduce){.repair-download{transition:none}.repair-download:active{transform:none}}.analysis-results{display:flex;flex-direction:column;gap:4px}.analysis-verdict{display:flex;flex-direction:column;gap:6px;padding:.7rem .75rem;margin-bottom:.625rem;border-radius:var(--r-sm);border:1px solid var(--color-border);background:rgba(255,255,255,.03)}.analysis-verdict[hidden]{display:none}.analysis-verdict.error{border-color:#ff6b6b66;background:rgba(255,107,107,.08)}.analysis-verdict.warning{border-color:#f5b54466;background:rgba(245,181,68,.08)}.analysis-verdict.ok{border-color:#6ee7a866;background:rgba(110,231,168,.08)}.analysis-verdict__head{display:flex;align-items:center;gap:7px;font-size:.85rem;font-weight:650;letter-spacing:-.01em}.analysis-verdict.error .analysis-verdict__head{color:var(--color-red)}.analysis-verdict.warning .analysis-verdict__head{color:#f5b544}.analysis-verdict.ok .analysis-verdict__head{color:var(--color-green)}.analysis-verdict__head svg{flex:0 0 auto}.analysis-verdict__sub{margin:0;font-size:.7rem;line-height:1.45;color:var(--color-text-tertiary)}.analysis-verdict.ok .analysis-verdict__sub{color:var(--color-text-secondary)}.verdict-repair-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;margin-top:2px;padding:.55rem .75rem;border:0;border-radius:var(--r-sm);background:rgb(var(--accent-rgb));color:#10132a;font-family:inherit;font-size:.8125rem;font-weight:700;cursor:pointer;transition:filter var(--dur),transform var(--dur),box-shadow var(--dur);box-shadow:0 6px 18px -8px rgba(var(--accent-rgb),.9)}.verdict-repair-btn:hover{filter:brightness(1.08);box-shadow:0 8px 22px -8px rgba(var(--accent-rgb),1)}.verdict-repair-btn:active{transform:translateY(1px)}.verdict-repair-btn svg{flex:0 0 auto}@media (prefers-reduced-motion: reduce){.verdict-repair-btn{transition:none}.verdict-repair-btn:active{transform:none}}.check-row{border-radius:var(--r-sm);border:1px solid var(--color-border);overflow:hidden}.check-row-hdr{display:flex;align-items:center;gap:7px;width:100%;padding:.45rem .6rem;background:rgba(255,255,255,.03);border:none;cursor:pointer;font-family:inherit;font-size:.8rem;font-weight:600;color:var(--color-text-secondary);text-align:left;transition:background var(--dur)}.check-row-hdr:hover{background:rgba(255,255,255,.07)}@keyframes check-spin{to{transform:rotate(360deg)}}.check-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.check-dot.spinning{background:transparent;border:2px solid rgba(255,255,255,.12);border-top-color:var(--color-blue-primary);animation:check-spin .7s linear infinite;width:8px;height:8px;box-sizing:border-box}.check-row.pending .check-row-hdr{cursor:default;opacity:.65}.check-badge.pending{background:rgba(148,163,184,.07);color:var(--color-text-tertiary);font-weight:500;letter-spacing:.03em}.check-row.ok .check-dot{background:var(--color-green)}.check-row.warning .check-dot{background:#f59e0b}.check-row.error .check-dot{background:var(--color-red)}.check-row.skipped .check-dot{background:var(--color-text-tertiary)}.check-name{flex:1}.check-badge{font-size:.6875rem;font-weight:700;padding:1px 6px;border-radius:99px;flex-shrink:0}.check-row.ok .check-badge{background:rgba(52,211,153,.12);color:var(--color-green)}.check-row.warning .check-badge{background:rgba(245,158,11,.12);color:#f59e0b}.check-row.error .check-badge{background:rgba(248,113,113,.12);color:var(--color-red)}.check-row.skipped .check-badge{background:rgba(148,163,184,.12);color:var(--color-text-tertiary)}.check-chevron{color:var(--color-text-tertiary);flex-shrink:0;transition:transform var(--dur) var(--ease)}.check-row-hdr[aria-expanded=false] .check-chevron{transform:rotate(-90deg)}.check-issues{border-top:1px solid var(--color-border);padding:.375rem .5rem;display:flex;flex-direction:column;gap:2px}.check-issues.collapsed{display:none}.check-hint{font-size:.6875rem;color:var(--color-text-tertiary);line-height:1.5;padding:.2rem .25rem .375rem;border-bottom:1px solid var(--color-border);margin-bottom:4px}.issue-row{display:flex;align-items:center;gap:5px;padding:3px 4px;border-radius:4px;transition:background 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