.menu {
    background-color: #a42b2c;
    padding: 0;
    font-family: Arial, sans-serif;
    border-radius: 10px;
    width: 280px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.menu .item {
    position: relative;
}

.menu a.btn {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: #fff;
    text-decoration: none;
    transition: background 0.3s ease;
    font-weight: bold;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.menu a.btn i {
    margin-right: 10px;
    font-size: 18px;
}

.menu a.btn:hover {
    background-color: #0c5a92;
}

.smenu {
    display: none;
    background-color: #ededed;
    padding-left: 30px;
}

.menu .item:hover .smenu {
    display: block;
}

.smenu a {
    display: block;
    padding: 10px 0;
    color: #e0f0ff;
    text-decoration: none;
    font-weight: normal;
}

.smenu a:hover {
    text-decoration: underline;
}
/* Submenú oculto por defecto */
.smenu {
    display: none;
    background-color: #ededed;
    padding-left: 30px;
    list-style: none;
    margin: 0;
}

/* Mostrar al hacer hover */
.submenu-item:hover .smenu {
    display: block;
}