/* ── Sidebar Chronos py_kronos ─────────────────────────────────────
   Adattata da kindergarten. Palette neutra/bluish per coerenza con il
   look attuale di py_kronos.
*/

.sidebar {
    position: absolute;
    top: 84px;
    bottom: 0;
    left: 0;
    padding: 14px 10px 30px;
    width: 280px;
    z-index: 600;
    background-color: #fbfdff;
    border-right: 1px solid #e0e6ec;
    box-shadow: 2px 0 12px rgba(58, 90, 130, 0.08);
    overflow-y: auto;
}

@media (max-width: 600px) {
    .sidebar {
        width: 100%;
    }
}

/* Riga di menu: estetica "list item" con accent a sinistra */
.sidebar .menu-item,
.sidebar .nav-item > a.btn,
.sidebar .navbar-nav li > a.btn {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    height: auto;
    min-height: 44px;
    padding: 8px 12px;
    margin-bottom: 3px;

    background-color: transparent;
    border: none;
    border-radius: 10px;
    border-left: 3px solid transparent;

    color: #2c3e50;
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    text-decoration: none;
    line-height: 1.2;
    transition: background-color .18s ease, color .18s ease, border-left-color .18s ease, transform .18s ease;
}

/* Hover delicato con accent sinistro */
.sidebar .menu-item:hover,
.sidebar .nav-item > a.btn:hover,
.sidebar .navbar-nav li > a.btn:hover {
    background-color: #e9f0f7;
    color: #133355;
    border-left-color: #4f8fd9;
}

/* Sezione di primo livello (collassabile): card-like con peso visivo */
.sidebar > .container-fluid > .side-bar > .bg-light > ul > li > .menu-item,
.sidebar .nav-item > a.menu-item[data-bs-toggle="collapse"] {
    font-weight: 700;
    font-size: 14px;
    color: #133355;
    background: linear-gradient(90deg, #eef4fb 0%, #f6f9fc 100%);
    border: 1px solid #d8e4ef;
    border-left: 3px solid #4f8fd9;
    box-shadow: 0 1px 2px rgba(58, 90, 130, 0.05);
}

.sidebar .nav-item > a.menu-item[data-bs-toggle="collapse"]:hover {
    background: linear-gradient(90deg, #d3e3f3 0%, #e1ecf6 100%);
    border-color: #b9cde3;
    border-left-color: #2a679f;
    transform: translateX(1px);
}

/* Voce attiva */
.sidebar .menu-item.active {
    background: linear-gradient(90deg, #2a679f 0%, #4f8fd9 100%);
    color: #fff;
    border-left-color: #1a4774;
    box-shadow: 0 2px 6px rgba(58, 90, 130, 0.3);
}
.sidebar .menu-item.active:hover {
    background: linear-gradient(90deg, #21568a 0%, #3f7fc8 100%);
    color: #fff;
}
.sidebar .menu-item.active .menu-icons {
    color: #fff;
}

/* Voce disabilitata */
.sidebar .menu-item.disabled,
.sidebar a.disabled {
    color: #b9b9b9 !important;
    background-color: transparent !important;
    cursor: not-allowed;
    border-style: dashed !important;
    border-color: #ececec !important;
}

/* Icone Material Symbols allineate */
.sidebar .menu-icons {
    float: none !important;
    font-size: 22px !important;
    color: #4f8fd9;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
    line-height: 1;
    transition: color .18s ease;
}

/* Sottomenu (collapse): indentazione pulita con accento laterale */
.sidebar .navbar-nav.collapse,
.sidebar .navbar-nav.collapsing {
    margin-left: 14px !important;
    margin-top: 4px !important;
    margin-bottom: 16px !important;
    padding-left: 10px;
    border-left: 2px solid #d4e1ee;
}

/* Item dentro sottomenu */
.sidebar .navbar-nav.collapse .menu-item,
.sidebar .navbar-nav.collapsing .menu-item {
    font-size: 13px;
    font-weight: 500;
    min-height: 38px;
    padding: 6px 10px;
    background-color: transparent;
    border: none;
    border-left: 3px solid transparent;
    border-radius: 8px;
}
.sidebar .navbar-nav.collapse .menu-item:hover {
    background-color: #e9f0f7;
    border-left-color: #4f8fd9;
}

/* Section title */
.sidebar .sidebar-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #6b7280;
    margin: 18px 4px 6px;
}
.sidebar .sidebar-section-title .material-symbols-outlined {
    font-size: 1.05rem !important;
    color: #4f8fd9;
}
.sidebar .sidebar-section-title:first-child {
    margin-top: 4px;
}

.sidebar .bg-light {
    background-color: transparent !important;
}

/* Scrollbar discreta */
.sidebar::-webkit-scrollbar {
    width: 6px;
}
.sidebar::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar::-webkit-scrollbar-thumb {
    background: #cfdbe6;
    border-radius: 3px;
}
.sidebar::-webkit-scrollbar-thumb:hover {
    background: #a9bcd0;
}