/* RESET */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* BASE */
body {
    font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
    background: #ffffff;            /* BIANCO VERO */
    color: #111827;
}

/* LAYOUT */
.app {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */

.sidebar h2 {
    font-size: 16px;
    margin-bottom: 18px;
}

.sidebar nav a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    color: #374151;
    text-decoration: none;
    margin-bottom: 6px;
    font-size: 14px;
}

.sidebar nav a.active,
.sidebar nav a:hover {
    background: #eeeeee;
}

/* forza layout verticale menu sidebar */
#sidebar .list-group-item {
    display: block !important;
}

/* Evidenzia voce menu quando il collapse è aperto */
#sidebar a[aria-expanded="true"] { 
  border-left: 4px solid #ea0d0d;
  font-weight: 600; 
    padding-left: 20px;          /* leggero spostamento */
  transition: all 0.2s ease;
}
/* Hover solo sulle voci padre (quelle con collapse) */
#sidebar a[data-bs-toggle="collapse"]:hover {
    font-weight: 600;
} 
/* Sottomenu   */ 
 
#sidebar .collapse .list-group-item:hover {
    background-color: #ffe5e5; 
}
 


/* MAIN */
.main {
    flex: 1;
    padding: 28px;
    background: rgb(255, 255, 255);     
}

/* HEADER */
.topbar {
    margin-bottom: 22px;
}

.topbar h1 {
    font-size: 26px;
    margin-bottom: 4px;
}

.subtitle {
    font-size: 13px;
    color: #6b7280;
}

/* KPI */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 26px;
}

.kpi-card {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 18px;
}

.kpi-card span {
    font-size: 13px;
    color: #6b7280;
}

.kpi-card strong {
    display: block;
    margin-top: 6px;
    font-size: 28px;
    font-weight: 600;
}

/* CONTENT */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 18px;
}

.card {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 18px;
}

.card h3 {
    font-size: 14px;
    text-transform: uppercase;
    margin-bottom: 14px;
    color: #374151;
}

/* LISTE */
.card ul {
    list-style: none;
}

.card li {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
    font-size: 14px;
}

.card li:last-child {
    border-bottom: none;
}

.card li span {
    color: #374151;
}

.card li b {
    font-weight: 600;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .sidebar {
        display: none;
    }

    .main {
        padding: 18px;
    }
}