:root{--color-primary: #6366f1;--color-primary-hover: #4f46e5;--color-primary-light: #e0e7ff;--color-bg: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-sidebar: #f9fafb;--color-bg-sidebar-hover: #e5e7eb;--color-bg-sidebar-active: #d1d5db;--color-text: #111827;--color-text-secondary: #6b7280;--color-text-sidebar: #374151;--color-border: #e5e7eb;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-error-bg: #fef2f2;--font-family: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--font-size-xs: 12px;--font-size-sm: 14px;--font-size-base: 16px;--font-size-lg: 18px;--font-size-xl: 24px;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .12);--transition-fast: .15s ease;--transition-normal: .25s ease;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:100%;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:var(--font-weight-normal);color:var(--color-text);background-color:var(--color-bg);line-height:1.6;min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}ul,ol{list-style:none}img{max-width:100%;display:block}input,button,select,textarea{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}