@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@400;500;600&display=swap";:root{--bg-color:#0f1115;--bg-surface:#141820b3;--bg-panel:#1c212b99;--text-primary:#f0f4f8;--text-secondary:#94a3b8;--accent-primary:#3b82f6;--border-color:#ffffff14;--border-highlight:#ffffff26;--neon-blue:#00f0ff;--neon-purple:#8a2be2;--neon-pink:#ff007f;--glass-blur:16px;--glass-border:1px solid #ffffff0d;--sidebar-width:280px;--grid-color:#ffffff08}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);background-image:linear-gradient(var(--grid-color) 1px, transparent 1px), linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);background-position:50%;background-size:32px 32px;min-height:100vh;margin:0;font-family:Inter,-apple-system,sans-serif;overflow-x:hidden}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-family:Outfit,sans-serif}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:Inter,sans-serif}.app-container{width:100vw;height:100vh;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-surface);height:100%;-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur));border-right:var(--glass-border);z-index:10;flex-direction:column;display:flex}.sidebar-header{border-bottom:var(--glass-border);padding:24px}.logo-container{align-items:center;gap:12px;display:flex}.logo-icon{color:var(--neon-blue);filter:drop-shadow(0 0 8px #00f0ff99)}.logo-text{background:linear-gradient(90deg, #fff, var(--text-secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.25rem;font-weight:700}.sidebar-nav{flex:1;padding:16px;overflow-y:auto}.nav-group{margin-bottom:24px}.nav-group-items{flex-direction:column;gap:4px;padding-left:8px;display:flex}.nav-title{text-transform:uppercase;letter-spacing:.1em;color:var(--text-secondary);margin-bottom:12px;padding:0 8px;font-size:.75rem;font-weight:600}.nav-item{color:var(--text-secondary);text-align:left;border:1px solid #0000;border-radius:8px;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:.9rem;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-item:hover{color:var(--text-primary);background:#ffffff0d}.nav-item.active{color:#fff;background:#3b82f626;border:1px solid #3b82f64d;box-shadow:inset 0 0 12px #3b82f61a}.main-content{flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.topbar{border-bottom:var(--glass-border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:5;background:#0f111566;justify-content:space-between;align-items:center;height:72px;padding:0 32px;display:flex}.topbar-title h2{font-size:1.25rem;font-weight:600}.topbar-title span{color:var(--text-secondary);font-size:.8rem}.controls-group{align-items:center;gap:16px;display:flex}.toggle-btn{background:var(--bg-panel);border:1px solid var(--border-color);color:var(--text-primary);border-radius:24px;align-items:center;gap:8px;padding:8px 16px;font-size:.85rem;font-weight:500;transition:all .3s;display:flex}.toggle-btn:hover{border-color:var(--border-highlight);background:#ffffff0d}.toggle-btn.active{background:var(--neon-purple);border-color:var(--neon-purple);box-shadow:0 0 16px #8a2be266}.playground-area{flex:1;padding:40px;position:relative;overflow-y:auto}.playground-bg-glow{z-index:0;pointer-events:none;background:radial-gradient(circle,#3b82f626 0%,#8a2be21a 40%,#0000 70%);width:800px;height:800px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.preview-container{z-index:1;border:var(--glass-border);background:#14182066;border-radius:16px;width:100%;max-width:1200px;min-height:800px;margin:0 auto;position:relative;overflow:hidden;box-shadow:0 24px 64px #0006}.anatomy-mode-active .anatomy-layer{z-index:2;cursor:crosshair;position:relative}.anatomy-mode-active .anatomy-layer:before{content:"";z-index:9999;pointer-events:none;border-radius:inherit;background:#fff0;transition:all .15s;position:absolute;inset:0}.anatomy-mode-active .anatomy-layer.is-hovered:before{outline:2px dashed var(--neon-blue);outline-offset:-2px;background:#00f0ff0d;box-shadow:inset 0 0 12px #00f0ff4d}.floating-tooltip{pointer-events:none;z-index:10000;-webkit-backdrop-filter:blur(12px);border:1px solid var(--neon-blue);opacity:0;color:#fff;background:#0f1115d9;border-radius:12px;width:max-content;max-width:300px;padding:16px;transition:opacity .15s,transform .1s linear;position:fixed;transform:translate(16px,16px);box-shadow:0 8px 32px #00000080,0 0 16px #00f0ff33}.floating-tooltip.visible{opacity:1}.tooltip-title{color:var(--neon-blue);align-items:center;gap:8px;margin-bottom:6px;font-family:Outfit,sans-serif;font-size:1.1rem;font-weight:700;display:flex}.tooltip-role{color:#e2e8f0;font-size:.85rem;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff3}@keyframes logo-scroll{0%{transform:translate(0)}to{transform:translate(-50%)}}.toc-chip{color:#cbd5e1;cursor:pointer;background:#ffffff08;border:1px solid #ffffff1a;border-radius:24px;padding:8px 16px;font-size:.85rem;transition:all .2s}.toc-chip:hover{color:var(--neon-blue);background:#00f0ff1a;border-color:#00f0ff4d}.scroll-to-top-fab{background:var(--neon-blue);color:#000;cursor:pointer;z-index:9999;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:all .2s;display:flex;position:fixed;bottom:40px;right:40px;box-shadow:0 4px 12px #00f0ff66}.scroll-to-top-fab:hover{transform:translateY(-4px);box-shadow:0 6px 16px #00f0ff99}.preview-page{flex-direction:column;height:100%;padding:40px;display:flex;overflow-y:auto}.preview-section-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;font-size:.9rem;font-weight:600}.preview-card{background:var(--bg-surface);border:var(--glass-border);border-radius:16px;padding:24px}.sidebar{transition:transform .3s}.sidebar-header{justify-content:space-between;align-items:center;display:flex}.sidebar-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9;background:#00000080;display:none;position:fixed;inset:0}.mobile-menu-btn{color:var(--text-primary);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px;transition:background .2s;display:none}.mobile-menu-btn:hover{background:#ffffff1a}.mobile-close-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px;transition:all .2s;display:none}.mobile-close-btn:hover{color:var(--text-primary);background:#ffffff1a}@media (width<=1024px){.sidebar{position:fixed;top:0;left:0;transform:translate(-100%);box-shadow:10px 0 30px #00000080}.sidebar.open{transform:translate(0)}.sidebar-overlay.open,.mobile-menu-btn,.mobile-close-btn{display:block}.playground-area{padding:20px}}