:root{--color-primary:#6366f1;--color-primary-light:#818cf8;--color-primary-dark:#4f46e5;--color-secondary:#10b981;--color-secondary-light:#34d399;--color-secondary-dark:#059669;--color-text:#1f2937;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-background:#fff;--color-surface:#f9fafb;--color-border:#e5e7eb;--color-accent:#f59e0b;--color-error:#ef4444;--color-success:#22c55e;--font-family:"Pretendard",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-family-mono:"JetBrains Mono","Fira Code",monospace;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--font-size-5xl:3rem;--font-size-6xl:3.75rem;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--line-height-tight:1.25;--line-height-normal:1.5;--line-height-relaxed:1.75;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--max-width:1200px;--max-width-narrow:800px;--max-width-wide:1400px;--border-radius-sm:.25rem;--border-radius-md:.5rem;--border-radius-lg:.75rem;--border-radius-xl:1rem;--border-radius-2xl:1.5rem;--border-radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;--shadow-xl:0 20px 25px -5px #0000001a,0 8px 10px -6px #0000001a;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.35s ease;--z-dropdown:100;--z-sticky:200;--z-fixed:300;--z-modal:400;--z-tooltip:500}@media (prefers-color-scheme:dark){:root{--color-text:#f9fafb;--color-text-secondary:#d1d5db;--color-text-muted:#9ca3af;--color-background:#111827;--color-surface:#1f2937;--color-border:#374151}}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text);background-color:var(--color-background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}img{max-width:100%;height:auto}