:root{--cor-fundo:#0a1128;--cor-card:#132250;--cor-dourado:#d4af37;--cor-texto:#f5f5f5}*{box-sizing:border-box}body{margin:0;background:var(--cor-fundo);color:var(--cor-texto);font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif}.container{max-width:960px;margin:0 auto;padding:24px}.card{background:var(--cor-card);border:1px solid rgba(212,175,55,.25);border-radius:12px;padding:24px;margin-bottom:16px}.botao-dourado{background:var(--cor-dourado);color:#0a1128;border:none;border-radius:8px;padding:12px 20px;font-weight:600;cursor:pointer}.botao-dourado:hover{opacity:.9}.input{width:100%;padding:12px;border-radius:8px;border:1px solid rgba(212,175,55,.4);background:#0e1a3d;color:var(--cor-texto);margin-bottom:12px}.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}.erro{color:#ff6b6b;margin-bottom:12px}