:root{--layer-muscles:#00d4ff;--layer-pain:#ff5252;--layer-nervous:#ffeb3b;--layer-respiratory:#4caf50;--layer-cardiovascular:#f44336;--layer-gadgets:#9c27b0;--bg-primary:#0f0f23;--bg-secondary:#1a1a2e;--bg-tertiary:#16213e;--text-primary:#e4e4e7;--text-secondary:#a1a1aa;--border-color:#ffffff1a;--accent-primary:var(--layer-muscles);--accent-secondary:#667eea;--glow-color:#00d4ffcc;--accent-cyan:var(--layer-muscles);--accent-purple:#667eea;--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080;--transition-fast:.2s ease;--transition-normal:.3s ease;--transition-slow:.5s ease}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent!important;-webkit-touch-callout:none!important}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"kern" 1, "liga" 1;background:radial-gradient(at top,#1a1a2e 0%,#0f0f23 50%,#0a0a15 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#0000001a;--shadow-md:0 4px 16px #00000026;--shadow-lg:0 8px 32px #0003}[data-layer=muscles]{--accent-primary:var(--layer-muscles);--glow-color:#00d4ffcc}[data-layer=pain]{--accent-primary:var(--layer-pain);--glow-color:#ff5252cc}[data-layer=nervous]{--accent-primary:var(--layer-nervous);--glow-color:#ffeb3bcc}[data-layer=respiratory]{--accent-primary:var(--layer-respiratory);--glow-color:#4caf50cc}[data-layer=cardiovascular]{--accent-primary:var(--layer-cardiovascular);--glow-color:#f44336cc}[data-layer=gadgets]{--accent-primary:var(--layer-gadgets);--glow-color:#9c27b0cc}[data-layer=pain] .view-indicators,[data-layer=nervous] .view-indicators,[data-layer=respiratory] .view-indicators,[data-layer=cardiovascular] .view-indicators,[data-layer=gadgets] .view-indicators{opacity:0;visibility:hidden;pointer-events:none}.theme-toggle{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid 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(width<=768px){body{overflow:hidden}.sidebar{display:none}.main-content{margin-left:0}.dual-view-container,.zoom-controls{display:none}#hover-tooltip{display:none!important}.muscle-interactive:hover:not(.selected),.muscle-interactive:active:not(.selected){filter:none!important;stroke:none!important;stroke-width:0!important;animation:none!important}.muscle-interactive.highlighted:not(.selected){animation:none!important}.muscle-interactive.selected{filter:brightness(1.8)drop-shadow(0 0 6px #0ff)drop-shadow(0 0 12px #00d4ff)drop-shadow(0 0 18px #00d4ffcc)!important;stroke:var(--accent-cyan)!important;stroke-width:3px!important}.mobile-info-btn{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);width:44px;height:44px;color:var(--accent-cyan);cursor:pointer;z-index:50;background:#1a1a2ef2;border:1px solid #00d4ff4d;border-radius:50%;justify-content:center;align-items:center;font-size:20px;font-weight:600;display:flex;position:fixed;top:20px;right:20px;box-shadow:0 4px 15px 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.2s;transform:translateZ(0)}.muscle-interactive:hover,.muscle-interactive.highlighted{filter:brightness(1.5)drop-shadow(0 0 8px #00d4ffcc);stroke:var(--accent-cyan);stroke-width:2px}.muscle-interactive.highlighted{filter:brightness(1.6)drop-shadow(0 0 4px #0ff)drop-shadow(0 0 8px #00d4ffcc)drop-shadow(0 0 12px #00d4ff99);animation:1.5s ease-in-out infinite neon-pulse}@keyframes neon-pulse{0%,to{filter:brightness(1.6)drop-shadow(0 0 4px #0ff)drop-shadow(0 0 8px #00d4ffcc)drop-shadow(0 0 12px #00d4ff99)}50%{filter:brightness(1.8)drop-shadow(0 0 6px #0ff)drop-shadow(0 0 12px #00d4ff)drop-shadow(0 0 18px #00d4ffcc)}}.muscle-interactive.selected{filter:brightness(1.8)drop-shadow(0 0 6px #0ff)drop-shadow(0 0 12px #00d4ff)drop-shadow(0 0 18px #00d4ffcc)!important;stroke:var(--accent-cyan)!important;stroke-width:3px!important}.muscle-heatmap-high{filter:brightness(1.3)drop-shadow(0 0 8px #ff5252cc);fill:#ff5252b3!important}.muscle-heatmap-medium{filter:brightness(1.2)drop-shadow(0 0 6px #ff980099);fill:#ff980080!important}.muscle-heatmap-low{filter:brightness(1.1)drop-shadow(0 0 4px #ffeb3b66);fill:#ffeb3b4d!important}.pain-points-container{pointer-events:none;z-index:100;width:100%;height:100%;position:absolute;top:0;left:0}.pain-point{pointer-events:all;cursor:pointer;z-index:101;position:absolute;transform:translate(-50%,-50%)}.pain-circle{background:radial-gradient(circle,#ff5252f2,#ff525273);border-radius:50%;width:30px;height:30px;animation:2s ease-in-out infinite pulse-pain-sync;box-shadow:0 0 20px #ff525299}@keyframes pulse-pain-sync{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.3)}}.pain-label{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--layer-pain);max-width:250px;box-shadow:var(--shadow-lg), 0 0 30px var(--layer-pain);pointer-events:auto;cursor:pointer;transition:opacity var(--transition-normal), box-shadow var(--transition-normal);opacity:0;white-space:nowrap;will-change:opacity;contain:layout style paint;color:var(--layer-pain);background:#1a1a2ef2;border-radius:12px;align-items:center;gap:8px;padding:8px 12px;font-size:12px;font-weight:600;line-height:1.4;animation:.5s ease-out forwards block-appear;display:flex;position:absolute}[data-theme=light] .pain-label{background:#fffffff2}.pain-point:hover .pain-label,.pain-label:hover{box-shadow:var(--shadow-lg), 0 0 40px var(--layer-pain);border-color:var(--layer-pain)}@media (width<=768px){.pain-circle{width:24px;height:24px}}