*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#1a1a1a;--color-primary-hover:#000;--color-accent:#1a1a1a;--color-accent-hover:#000;--color-accent-light:#f3f4f6;--color-success:#1a1a1a;--color-success-light:#f3f4f6;--color-error:#dc2626;--color-error-light:#fef2f2;--color-warning:#f59e0b;--color-bg:#fff;--color-surface:#fff;--color-text:#1a1a1a;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-border:#e5e7eb;--color-border-focus:#1a1a1a;--color-neutral-50:#f9fafb;--color-neutral-100:#f3f4f6;--color-neutral-200:#e5e7eb;--color-neutral-300:#d1d5db;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--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-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;--radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px #00000012;--shadow-lg:0 10px 15px #0000001a;--sidebar-width:280px;--header-height:72px;--max-content-width:720px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.4s ease}html{font-family:var(--font-family);font-size:16px;line-height:var(--line-height-normal);color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh}a{color:var(--color-text);text-decoration:none}a:hover{text-decoration:underline}input,textarea,select,button{font-family:inherit;font-size:inherit}::selection{background-color:var(--color-primary);color:#fff}