:root {
    --bg-dark: #f0f4f8;
    --bg-panel: #ffffff;
    --bg-card: #ffffff;
    --text-main: #2d3748;
    --text-muted: #718096;
    --accent-primary: #019147;
    --accent-secondary: #ded33f;
    --success: #38a169;
    --danger: #e53e3e;
    --warning: #dd6b20;
    --sidebar-width: 280px;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-panel);
    border-right: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    padding: 16px 0;
    box-shadow: var(--shadow-sm);
    z-index: 10;
    overflow-y: auto;
}

.logo-container {
    padding: 0 24px 20px;
    border-bottom: 1px solid #e2e8f0;
    text-align: center;
}

.logo img {
    max-width: 140px;
    height: auto;
    margin-bottom: 12px;
}

.nav-menu {
    flex: 0 0 auto;
    padding: 16px 12px;
}

.nav-menu ul {
    list-style: none;
}

.nav-menu li {
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-weight: 600;
    transition: var(--transition);
}

.nav-menu li:hover {
    background-color: #f7fafc;
    color: var(--accent-primary);
}

.nav-menu li.active {
    background: #e6f4ea;
    color: var(--accent-primary);
    border-left: 4px solid var(--accent-primary);
}

.filters {
    padding: 16px 24px;
    border-top: 1px solid #e2e8f0;
    background-color: #f8fafc;
}

.filters h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 16px;
    font-weight: 700;
}

.filter-group {
    margin-bottom: 12px;
}

.filter-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    font-weight: 600;
}

select {
    width: 100%;
    padding: 10px 12px;
    background-color: white;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    color: var(--text-main);
    outline: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-mini-primary,
.btn-mini-secondary {
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-mini-primary {
    background: var(--accent-primary);
    color: white;
    border: none;
}

.btn-mini-secondary {
    background: white;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

.sidebar-footer {
    padding: 16px 24px;
    font-size: 0.75rem;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 32px;
}

.topbar {
    margin-bottom: 24px;
}

.top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.top-row h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a202c;
}

.print-controls {
    display: flex;
    gap: 12px;
}

.ops-kpi-banner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.kpi-card {
    background-color: var(--bg-card);
    padding: 20px;
    border-radius: var(--border-radius);
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
}

.kpi-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
}

.kpi-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-top: 8px;
    color: #2d3748;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.chart-row {
    margin-bottom: 24px;
}

.chart-row.dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.chart-container {
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: var(--border-radius);
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-sm);
}

.chart-container h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.chart-container canvas {
    width: 100% !important;
    max-height: 400px;
}

/* Print Specific */
.print-header {
    display: none;
}

.lang-toggle {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 12px;
    font-size: 0.8rem;
    text-decoration: none;
    color: var(--accent-primary);
}

@media print {
    body {
        overflow: visible !important;
        background: white !important;
        height: auto !important;
    }

    .sidebar,
    .nav-menu,
    .filters,
    .sidebar-footer,
    .print-controls,
    .lang-toggle {
        display: none !important;
    }

    .app-container {
        display: block !important;
        height: auto !important;
    }

    .main-content {
        padding: 0 !important;
        overflow: visible !important;
        width: 100% !important;
        margin-top: 28mm !important;
        /* Slightly reduced for better fit */
    }

    .print-header {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        background: white;
        z-index: 1000;
        height: 25mm;
        /* Reduced height to save space */
        border-bottom: 2px solid var(--accent-primary);
        padding-top: 5mm;
        text-align: center;
    }

    .print-logo-container img {
        max-width: 180px;
        height: auto;
    }

    .print-header h1 {
        font-size: 1.4rem;
        margin: 5px 0;
        color: #019147;
    }

    .print-metadata {
        font-size: 0.8rem;
        color: #666;
    }

    .topbar h2 {
        display: none !important;
    }

    .print-only {
        display: block !important;
    }

    .tab-pane {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        page-break-after: auto !important;
        /* Changed from always to auto to save space */
        margin-bottom: 30px !important;
    }

    .print-only h2 {
        page-break-before: auto !important;
        margin-top: 40px !important;
        margin-bottom: 20px !important;
    }

    .chart-container {
        border: 1px solid #eee !important;
        box-shadow: none !important;
        page-break-inside: avoid !important;
        margin-bottom: 20px !important;
    }

    .chart-row {
        page-break-inside: avoid !important;
    }

    .kpi-banner,
    .ops-kpi-banner {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .kpi-card {
        padding: 12px !important;
    }

    @page {
        margin: 15mm 15mm;
    }
}