:root{--color-primary:#2563eb;--color-primary-dark:#1e40af;--color-secondary:#10b981;--color-background:#fff;--color-surface:#f9fafb;--color-text:#111827;--color-text-secondary:#6b7280;--color-border:#e5e7eb;--color-error:#ef4444;--spacing-xs:.5rem;--spacing-sm:.75rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--border-radius:.5rem;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a;--transition:all .2s ease-in-out}@media (prefers-color-scheme:dark){:root{--color-background:#111827;--color-surface:#1f2937;--color-text:#f9fafb;--color-text-secondary:#9ca3af;--color-border:#374151}}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;color:var(--color-text);background-color:var(--color-background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;overflow-x:hidden}a{color:var(--color-primary);transition:var(--transition);text-decoration:none}a:hover{color:var(--color-primary-dark);text-decoration:underline}h1,h2,h3,h4,h5,h6{margin-bottom:var(--spacing-md);font-weight:700;line-height:1.2}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:var(--spacing-md)}button{cursor:pointer;transition:var(--transition);background:0 0;border:none;font-family:inherit}img{max-width:100%;height:auto}.container{max-width:1200px;padding:0 var(--spacing-md);margin:0 auto}.visually-hidden{clip:rect(0,0,0,0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.loading{min-height:400px;color:var(--color-text-secondary);justify-content:center;align-items:center;font-size:1.25rem;display:flex}.error{padding:var(--spacing-2xl);text-align:center;color:var(--color-error)}