:root {
    --bg: #f3f4f6;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #6366f1;
    --border: #e5e7eb;
    --input-bg: #ffffff;
}

[data-theme="dark"] {
    --bg: #0b0f19;
    --card: #111827;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --primary: #818cf8;
    --border: #1f2937;
    --input-bg: #1f2937;
}

body {
    margin: 0;
    font-family: Inter, system-ui, sans-serif;
}

/* Header */
.header {
    height: 70px;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.theme-btn {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 10px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    transition: all 0.2s ease;
}

.nav-link:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.nav-link:first-child {
    background: linear-gradient(135deg, #1877f2, #42b72a);
    color: white;
    border: none;
}

.nav-link:last-child {
    background: linear-gradient(135deg, #833AB4, #E1306C, #F77737);
    color: white;
    border: none;
}

.main-container {
    margin: 0 auto;
    padding: 32px;
    background: var(--bg);
    padding-left: clamp(20px, 8vw, 100px);
    padding-right: clamp(20px, 8vw, 100px);
}


/* Layout filtri superiore */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    background: var(--card);
    padding: 24px;
    border-radius: 20px;
    margin-bottom: 32px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.filter-group {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--muted);
    letter-spacing: 0.5px;
}

/* Fix Dark Mode per componenti Dash (Dropdown, DatePicker) */
.Select-control,
.Select-menu-outer {
    background-color: var(--input-bg) !important;
    border-color: var(--border) !important;
    color: var(--text) !important;
}

.Select-value-label,
.VirtualizedSelectOption {
    color: var(--text) !important;
}

.DateInput,
.DateInput_input,
.SingleDatePickerInput,
.DateRangePickerInput {
    background-color: var(--input-bg) !important;
    color: var(--text) !important;
    border: none !important;
}

.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.kpi-card {
    background: var(--card);
    color: var(--text);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.kpi-card:hover {
    transform: translateY(-4px);
}

.kpi-title {
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.kpi-value {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 8px 0;
}

.graph {
    min-height: 420px;
    background: var(--card);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

/* Colori personalizzati per KPI */
.kpi-followers,
.kpi-eng-rate-posts {
    border-left: 5px solid #6366f1;
    background: rgba(99, 102, 241, 0.05);
}

.kpi-avg-views,
.kpi-posts {
    border-left: 5px solid #10b981;
    background: rgba(16, 185, 129, 0.05);
}

.kpi-max-views,
.kpi-avg-reactions {
    border-left: 5px solid #f59e0b;
    background: rgba(245, 158, 11, 0.05);
}

.kpi-eng-rate,
.kpi-max-reactions {
    border-left: 5px solid #ec4899;
    background: rgba(236, 72, 153, 0.05);
}

.growth-indicator {
    font-size: 0.85rem;
    margin-top: 4px;
    font-weight: 500;
    margin-left: 10px;
}

.growth-up {
    color: #10b981;
}

.growth-down {
    color: #ef4444;
}

@media (max-width: 900px) {
    .body {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: none;
    }
}

.table-container {
    background: var(--card);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--border);
    margin-top: 32px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.dash-spreadsheet-container .dash-spreadsheet-inner td {
    background-color: var(--card) !important;
    color: var(--text) !important;
    position: relative;
}


.dash-spreadsheet-container .dash-spreadsheet-inner td:hover {
    overflow: visible;
    white-space: normal;
    z-index: 100;
    background-color: var(--card) !important;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.last-update {
    font-size: 0.85rem;
    color: var(--muted);
    text-align: right;
    margin-top: -16px;
    margin-bottom: 16px;
}

.help-icon {
    font-size: 0.5rem;
    color: var(--muted);
    margin-left: 6px;
    cursor: pointer;
    border-radius: 50%;
    border: 1px solid;
    width: 12px;
    height: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}



@media print {

    .header,
    .filter-bar,
    .theme-btn {
        display: none !important;
        /* Nasconde menu e filtri */
    }

    .main-container {
        padding: 0;
        background: white;
    }

    .graph {
        page-break-inside: avoid;
        /* Non taglia i grafici tra le pagine */
        border: none;
        box-shadow: none;
    }
}