:root{--font-display: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--bg: #f4f6f8;--panel: rgba(255, 255, 255, .92);--panel-strong: rgba(255, 255, 255, .98);--line: rgba(21, 32, 51, .09);--text: #152033;--muted: #667085;--blue: #1f6f9f;--blue-soft: rgba(31, 111, 159, .1);--loader-accent: #1f6f9f;--loader-bright: #43b7d3;--loader-quiet: rgba(31, 111, 159, .17);--loading-fill-duration: 2.35s;--loading-progress: 0%;--nerve: #d79d20;--shadow: 0 18px 46px rgba(35, 43, 58, .11);--shadow-soft: 0 10px 28px rgba(35, 43, 58, .08)}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0}body{overflow:hidden;color:var(--text);background:var(--bg);font-family:var(--font-body)}button,input{font:inherit}button{border:0}.viewer-shell{position:relative;width:100%;height:100%}.viewer-shell.is-booting .viewer-canvas,.viewer-shell.is-booting .hud-background-tint,.viewer-shell.is-booting .hud-header,.viewer-shell.is-booting .toolbar-container,.viewer-shell.is-booting .hud-instructions{opacity:0}.viewer-shell.is-entering .viewer-canvas,.viewer-shell.is-entering .hud-background-tint{animation:app-canvas-enter 4s linear forwards}.viewer-shell.is-entering .hud-header,.viewer-shell.is-entering .toolbar-container,.viewer-shell.is-entering .hud-instructions{animation:app-ui-enter 1.15s cubic-bezier(.16,1,.3,1) forwards}.viewer-canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair;opacity:1}.hud-background-tint{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,#f2f5f70a,#dee6ee1a),radial-gradient(circle at 50% 45%,transparent 44%,rgba(198,211,224,.12))}.entry-motion-blur{display:none}@keyframes app-canvas-enter{0%{opacity:.45;filter:blur(8px)}18%{opacity:.86;filter:blur(6.8px)}36%{opacity:1;filter:blur(5px)}56%{opacity:1;filter:blur(3px)}76%{opacity:1;filter:blur(1.35px)}90%{opacity:1;filter:blur(.45px)}to{opacity:1;filter:blur(0)}}@keyframes app-ui-enter{0%{opacity:0;filter:blur(10px)}62%{opacity:.92;filter:blur(3px)}to{opacity:1;filter:blur(0)}}.startup-overlay{position:fixed;inset:0;z-index:50;display:grid;place-items:center;overflow:hidden;background:var(--bg);transition:opacity .9s ease}.startup-overlay.fade-out{opacity:0;pointer-events:none}.startup-content{display:grid;justify-items:center;width:min(580px,calc(100vw - 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84px));max-height:calc(100vh - 94px);overflow-y:auto;transform:none}