:root {
  --color-primary: #e9c46a;
  --color-secondary: #f4a261;
}

/* Pulsante menu */
.menu-toggle {
    background-color: var(--color-secondary);
    color: white;
    border: none;
    padding: 10px;
    font-size: 1rem;
    position: absolute;
    top: 10px;
    left: 10px;
    cursor: pointer;
    border-radius: 5px;
}

/* Sidebar */
nav {
    width: 250px;
    height: 100%;
    background-color: var(--color-primary);
    position: fixed;
    top: 0;
    left: -250px;
    transition: left 0.3s ease-in-out;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

/* Lista principale */
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: 70px; /* spazio per X */
}

/* Voci principali */
nav ul > li {
    padding: 20px; /* Rimuove padding inutile per le voci con submenu */
    border-bottom: 1px solid var(--color-secondary);
}

/* Link principale */
nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    display: block;
    border-radius: 10px;
    padding: 10px; /* padding uniforme solo sulla voce cliccabile */
    transition: background-color 0.25s ease;
}

/* Hover link principale più leggero e trasparente */
nav ul li a:hover {
    background-color: rgba(244, 162, 97, 0.3); /* usa colore secondario con alpha 0.3 */
}

/* Chiudi menu */
.menu-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
}

/* Submenu animato */
.submenu {
    max-height: 0;
    overflow: hidden;
    padding-left: 10px;
    transition: max-height 0.3s ease;
    margin-top: -5px; /* elimina gap visivo sotto la voce principale */
}

/* Submenu aperto */
.has-submenu.open > .submenu {
    max-height: 300px;
}

/* Voci del submenu */
.submenu li {
    padding: 4px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2); /* separatore delicato */
}

/* Ultima voce senza bordo */
.submenu li:last-child {
    border-bottom: none;
}

/* Link submenu */
.submenu li a {
    font-size: 1rem;
    background-color: rgba(255,255,255,0.15);
    margin: 4px 10px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.25s ease;
}

/* Hover submenu leggero */
.submenu li a:hover {
    background-color: rgba(255,255,255,0.3);
    transform: translateX(5px);
}

/* Freccina submenu */
.has-submenu > a::after {
    content: "▸";
    float: right;
    transition: transform 0.3s ease;
}

.has-submenu.open > a::after {
    transform: rotate(90deg);
}

/* Overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: none;
    z-index: 99;
}

/* Menu aperto */
.menu-open nav {
    left: 0;
}

.menu-open .menu-overlay {
    display: block;
}