:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:light dark;background:#0f1115;color:#e6e8eb}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:#6aa9ff}button{font:inherit;padding:.5rem .9rem;border-radius:6px;border:1px solid #2a2f3a;background:#1a1d24;color:inherit;cursor:pointer}button:hover{background:#232732}input{font:inherit;padding:.5rem .7rem;border-radius:6px;border:1px solid #2a2f3a;background:#14171d;color:inherit}input:focus{outline:2px solid #6aa9ff}.container{max-width:720px;margin:3rem auto;padding:0 1rem}.card{background:#14171d;border:1px solid #232732;border-radius:10px;padding:1.5rem}.row{display:flex;gap:.5rem;align-items:center}.stack{display:flex;flex-direction:column;gap:.75rem}.error{color:#ff7a7a}.muted{color:#8b94a3}