:root{--background:#0a0a0a;--foreground:#ededed;--primary:#3b82f6;--primary-hover:#2563eb;--card-bg:#1a1a1a;--border:#333}*{box-sizing:border-box;margin:0;padding:0}html,body{max-width:100vw;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;overflow-x:hidden}body{color:var(--foreground);background:var(--background);min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.input{border:1px solid var(--border);background:var(--background);width:100%;color:var(--foreground);border-radius:8px;padding:.75rem 1rem;font-size:1rem}.input:focus{border-color:var(--primary);outline:none}