:root{--background:#ffffff;--foreground:#171717;--primary:#0066cc;--primary-hover:#0052a3;--secondary:#f5f5f5;--border:#e5e5e5;--error:#dc2626;--success:#16a34a}@media (prefers-color-scheme:dark){:root{--background:#0a0a0a;--foreground:#ededed;--primary:#3b82f6;--primary-hover:#60a5fa;--secondary:#1a1a1a;--border:#2a2a2a}}*{box-sizing:border-box;margin:0;padding:0}body,html{max-width:100vw;overflow-x:hidden}body{color:var(--foreground);background:var(--background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:500;transition:all .2s;border:none}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--secondary);color:var(--foreground);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary:disabled:hover{background:var(--primary)}.btn-secondary:disabled:hover{background:var(--secondary)}@keyframes spin{to{transform:rotate(1turn)}}.input{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:.5rem;font-size:1rem;background:var(--background);color:var(--foreground)}.input:focus{outline:none;border-color:var(--primary)}.card{background:var(--background);border:1px solid var(--border);border-radius:.75rem;padding:1.5rem}