:root{--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-tertiary: #334155;--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-accent-primary: #3b82f6;--color-accent-hover: #2563eb;--color-accent-glow: rgba(59, 130, 246, .5);--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-border: #334155;--color-section-nodes: #8b5cf6;--color-section-minimap: #06b6d4;--color-section-history: #f59e0b;--color-section-stats: #10b981;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--font-family-sans: "Inter", system-ui, -apple-system, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-glow: 0 0 15px var(--color-accent-glow);--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-full: 9999px;--transition-collapse: height .25s ease-out;--transition-hover: all .15s ease;--drawer-min-height: 48px;--drawer-default-height: 200px;--drawer-max-height: 50vh}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;font-family:var(--font-family-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100vh;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-primary)}::-webkit-scrollbar-thumb{background:var(--color-bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.p-md{padding:var(--spacing-md)}.w-full{width:100%}.h-full{height:100%}.text-sm{font-size:var(--font-size-sm)}.text-muted{color:var(--color-text-secondary)}.font-bold{font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:all .2s ease;border:1px solid transparent;background:var(--color-bg-tertiary);color:var(--color-text-primary)}.btn:hover{background:var(--color-bg-secondary);border-color:var(--color-text-muted)}.btn-primary{background:var(--color-accent-primary);color:#fff}.btn-primary:hover{background:var(--color-accent-hover);box-shadow:var(--shadow-glow)}.input{background:var(--color-bg-primary);border:1px solid var(--color-border);color:var(--color-text-primary);padding:.5rem;border-radius:var(--radius-md);width:100%}.input:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 2px var(--color-accent-glow)}