/* Contenedor principal */
.cf-contenedor-formulario {
  max-width: 600px;
  margin: 0 auto;
  background: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  font-family: sans-serif;
}

/* Grupos de campos */
.cf-grupo {
  margin-bottom: 20px;
}

.cf-grupo label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
}

/* Inputs y Selects */
.cf-grupo input[type="text"],
.cf-grupo input[type="tel"],
.cf-grupo input[type="email"],
.cf-grupo input[type="file"] {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 15px;
  box-sizing: border-box;
}

/* Campos de solo lectura (Plantilla y Plan) */
.cf-grupo input[readonly] {
  background-color: #f7f7f7;
  color: #666;
  cursor: not-allowed;
}

/* Botones */
.cf-botones {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 30px;
}

.cf-btn-volver {
  color: #e74c3c;
  text-decoration: none;
  font-weight: 600;
}

.cf-btn-volver:hover {
  text-decoration: underline;
}

.cf-btn-comprar {
  background-color: #27ae60;
  color: white;
  padding: 12px 25px;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.cf-btn-comprar:hover {
  background-color: #219653;
}

.cf-btn-comprar:disabled {
  background-color: #95a5a6;
  cursor: not-allowed;
}

/* Mensaje de respuesta */
.cf-mensaje-exito {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.cf-mensaje-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}