/* ============================================
   INVOICE ANALYSIS STYLES
   ============================================ */

/* KPI Cards */
.kpi-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 4px solid;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.05;
    transform: translate(30%, -30%);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.kpi-card.kpi-primary {
    border-left-color: #6366f1;
}

.kpi-card.kpi-primary::before {
    background: #6366f1;
}

.kpi-card.kpi-success {
    border-left-color: #10b981;
}

.kpi-card.kpi-success::before {
    background: #10b981;
}

.kpi-card.kpi-info {
    border-left-color: #0ea5e9;
}

.kpi-card.kpi-info::before {
    background: #0ea5e9;
}

.kpi-card.kpi-warning {
    border-left-color: #f59e0b;
}

.kpi-card.kpi-warning::before {
    background: #f59e0b;
}

.kpi-card.kpi-danger {
    border-left-color: #ef4444;
}

.kpi-card.kpi-danger::before {
    background: #ef4444;
}

.kpi-card.kpi-secondary {
    border-left-color: #8b5cf6;
}

.kpi-card.kpi-secondary::before {
    background: #8b5cf6;
}

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.kpi-primary .kpi-icon {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.25) 100%);
    color: #6366f1;
}

.kpi-success .kpi-icon {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.25) 100%);
    color: #10b981;
}

.kpi-info .kpi-icon {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15) 0%, rgba(14, 165, 233, 0.25) 100%);
    color: #0ea5e9;
}

.kpi-warning .kpi-icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.25) 100%);
    color: #f59e0b;
}

.kpi-danger .kpi-icon {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(239, 68, 68, 0.25) 100%);
    color: #ef4444;
}

.kpi-secondary .kpi-icon {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(139, 92, 246, 0.25) 100%);
    color: #8b5cf6;
}

.kpi-content {
    flex: 1;
    min-width: 0;
}

.kpi-label {
    font-size: 0.875rem;
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #1f2937;
    line-height: 1.2;
}

.kpi-subtitle {
    font-size: 0.75rem;
    color: #9ca3af;
    margin-top: 0.25rem;
    font-weight: 500;
}

/* Chart Cards */
.chart-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.chart-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.chart-card-header {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: white;
    padding: 1.25rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-card-header h5 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.chart-card-header h5 i {
    font-size: 1rem;
}

.chart-card-body {
    padding: 1.5rem;
    background: #fafbfc;
}

/* Loading Indicator Styling */
#loadingIndicator .spinner-border {
    border-color: #6366f1;
    border-right-color: transparent;
}

/* Responsive adjustments for KPI cards */
@media (max-width: 1399px) {
    .kpi-value {
        font-size: 1.5rem;
    }
    
    .kpi-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 991px) {
    .kpi-card {
        padding: 1.25rem;
    }
}

@media (max-width: 575px) {
    .kpi-card {
        flex-direction: column;
        text-align: center;
    }
    
    .kpi-content {
        width: 100%;
    }
    
    .kpi-value {
        font-size: 1.5rem;
    }
}

/* Overdue Table Enhancements */
#overdueTable tbody tr {
    transition: all 0.2s ease;
}

#overdueTable tbody tr:hover {
    background-color: rgba(239, 68, 68, 0.05);
}

#overdueTable .badge {
    font-weight: 600;
    padding: 0.5rem 0.75rem;
}

/* Chart Container Enhancements */
.chart-card-body canvas {
    max-height: 400px;
}

/* Print Styles */
@media print {
    .filter-section,
    .btn-apply-filters,
    .btn-reset-filters,
    #loadingIndicator {
        display: none !important;
    }
    
    .kpi-card,
    .chart-card,
    .admin-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .chart-card-body {
        background: white;
    }
}