:root{--bg-base:#ffffff;--bg-elevated:#f5f5f7;--bg-secondary:#e5e5ea;--bg-tertiary:#d1d1d6;--text-primary:#1c1c1e;--text-secondary:#86868b;--text-tertiary:#aeaeb2;--text-quaternary:#c7c7cc;--accent-blue:#007aff;--accent-green:#34c759;--accent-orange:#ff9500;--accent-red:#ff3b30;--accent-purple:#af52de;--accent-teal:#5ac8fa;--pastel-blue:rgba(0,122,255,0.12);--pastel-green:rgba(52,199,89,0.12);--pastel-orange:rgba(255,149,0,0.12);--pastel-red:rgba(255,59,48,0.12);--pastel-purple:rgba(175,82,222,0.12);--pastel-yellow:rgba(255,204,0,0.12);--shadow-outset:0 4px 12px rgba(0,0,0,0.08),0 0 0 1px rgba(0,0,0,0.04);--shadow-outset-sm:0 1px 3px rgba(0,0,0,0.08),0 0 0 1px rgba(0,0,0,0.04);--shadow-inset:inset 0 1px 2px rgba(0,0,0,0.06);--shadow-pressed:inset 0 2px 4px rgba(0,0,0,0.06);--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 12px rgba(0,0,0,0.1);--shadow-lg:0 8px 24px rgba(0,0,0,0.12);--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--radius-xs:2px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-full:9999px;--font-sans:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Helvetica Neue",sans-serif;--font-mono:"SF Mono","Fira 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var(--duration-fast)}.sidebar-link--active,.sidebar-link:hover{background:var(--bg-secondary);color:var(--text-primary)}.sidebar-link--active{font-weight:600}.sidebar-link--active .sidebar-icon{color:var(--accent-blue)}.sidebar-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;color:var(--text-tertiary);transition:color var(--duration-fast)}.sidebar-footer{margin-top:auto;padding-top:var(--space-6);border-top:1px solid 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fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-fade-in{animation:fadeIn var(--duration-base) var(--ease-out-expo)}.animate-slide-up{animation:slideUp var(--duration-slow) var(--ease-out-expo)}.animate-scale-in{animation:scaleIn var(--duration-base) 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