/* Ajusta a largura máxima para as colunas */
.container-livros { max-width: 1200px; margin: 0 auto; padding: 2rem 1rem; }

/* --- FORMULÁRIOS --- */
.form-livros {
    max-width: 800px; margin: 0 auto; padding: 2.5rem;
    background-color: var(--surface-color);
    border-top: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 700; color: var(--primary-color); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 0.75rem; border: 1px solid #ccc;
    border-radius: 5px; font-family: 'Lato', sans-serif; font-size: 1rem;
    transition: all 0.3s;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--secondary-color); box-shadow: 0 0 5px rgba(34, 186, 187, 0.3); outline: none;
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group small { display: block; margin-top: 0.5rem; font-size: 0.85rem; color: #666; }

/* Mensagens */
.mensagem-sucesso { padding: 1rem; background-color: #d4edda; color: #155724; border: 1px solid #c3e6cb; border-radius: 5px; margin-bottom: 1.5rem; text-align: center; font-weight: bold; }
.mensagem-erro { padding: 1rem; background-color: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; border-radius: 5px; margin-bottom: 1.5rem; text-align: center; font-weight: bold; }

/* --- LISTA PÚBLICA (GRID) --- */
.livros-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 2rem; margin-top: 2rem; }
.livro-card {
    background: var(--surface-color); border-radius: var(--border-radius);
    box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column;
    transition: transform 0.3s, box-shadow 0.3s;
}
.livro-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.livro-capa { width: 100%; height: 250px; object-fit: contain; background-color: #f4f6f8; border-bottom: 1px solid #eee; padding: 10px; }
.livro-card-content { padding: 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.livro-card h3 { color: var(--primary-color); font-size: 1.25rem; margin-bottom: 0.5rem; }
.livro-card .autoria { font-size: 0.95rem; font-weight: bold; color: var(--text-color); margin-bottom: 0.3rem; }
.livro-card .editora { font-size: 0.85rem; color: #777; margin-bottom: 1rem; }
.livro-card .resumo { font-size: 0.95rem; text-align: justify; color: #555; flex-grow: 1; margin-bottom: 1.5rem; }

.livro-card-footer { display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 1rem 1.5rem; background-color: #f9f9f9; border-top: 1px solid #eee; }
.livro-card-footer a { flex: 1; text-align: center; font-size: 0.85rem; font-weight: bold; padding: 0.6rem; border-radius: 4px; }
.btn-editora { background-color: var(--primary-color); color: white; }
.btn-editora:hover { background-color: #1f5a5a; color: white; }
.btn-download { background-color: var(--secondary-color); color: white; }
.btn-download:hover { background-color: #178a8a; color: white; }