/* ========================================
   REPORTS PAGE STYLES
   ======================================== */

/* Page Layout */
.reports-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

/* Report Card */
.report-card {
    background: #ffffff;
    border-radius: 12px;
    padding: 28px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

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

.report-card.active {
    border-color: #3498db;
}

.report-card.active:hover {
    border-color: #2980b9;
}

.report-card.disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.report-card.disabled:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transform: none;
}

/* Report Icon */
.report-icon {
    font-size: 48px;
    margin-bottom: 16px;
    line-height: 1;
}

/* Report Title */
.report-title {
    font-size: 20px;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 12px 0;
}

/* Report Description */
.report-description {
    font-size: 14px;
    color: #7f8c8d;
    line-height: 1.6;
    margin: 0 0 20px 0;
    flex-grow: 1;
}

/* Report Meta */
.report-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.report-status,
.report-type {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.report-status.active {
    background-color: #d4edda;
    color: #155724;
}

.report-status.coming-soon {
    background-color: #fff3cd;
    color: #856404;
}

.report-type {
    background-color: #e3f2fd;
    color: #1565c0;
}

/* Report Button */
.report-btn {
    width: 100%;
    margin-top: auto;
}

/* Info Section */
.reports-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.info-box {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 24px;
    border-left: 4px solid #3498db;
}

.info-box h4 {
    font-size: 18px;
    margin: 0 0 16px 0;
    color: #2c3e50;
}

.info-box ul {
    margin: 0;
    padding-left: 20px;
    color: #7f8c8d;
}

.info-box ul li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.info-box ul li strong {
    color: #2c3e50;
}

/* ========================================
   SALES REPORT PAGE STYLES
   ======================================== */

/* Filters Section */
.filters-section {
    background: #ffffff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.filters-section h3 {
    margin: 0 0 20px 0;
    font-size: 18px;
    color: #2c3e50;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    font-size: 14px;
    font-weight: 500;
    color: #2c3e50;
    margin-bottom: 6px;
}

.filter-group input,
.filter-group select {
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: #3498db;
}

.filter-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 16px;
}

/* KPI Stats Section */
.kpi-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.kpi-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 24px;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

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

.kpi-card.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.kpi-card.success {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.kpi-card.info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.kpi-card.warning {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.kpi-icon {
    font-size: 32px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.kpi-label {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
    margin: 0 0 8px 0;
}

.kpi-value {
    font-size: 32px;
    font-weight: 700;
    margin: 0;
    line-height: 1;
}

.kpi-subvalue {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 6px;
}

/* Report Tables */
.report-section {
    background: #ffffff;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.report-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.report-section-header h3 {
    margin: 0;
    font-size: 20px;
    color: #2c3e50;
}

.section-toggle {
    cursor: pointer;
    padding: 6px 12px;
    background: #f8f9fa;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    transition: background 0.2s;
}

.section-toggle:hover {
    background: #e9ecef;
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.report-table thead {
    background: #f8f9fa;
}

.report-table th {
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    color: #2c3e50;
    border-bottom: 2px solid #dee2e6;
    white-space: normal;
}

.report-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.report-table th.sortable:hover {
    background: #e9ecef;
}

.report-table tbody tr {
    border-bottom: 1px solid #f1f3f5;
    transition: background 0.2s;
}

.report-table tbody tr:hover {
    background: #f8f9fa;
}

.report-table td {
    padding: 12px 16px;
    color: #495057;
}

.report-table td.number {
    text-align: right;

}

.report-table td.currency {
    text-align: right;
    font-weight: 500;

}

.report-table td.positive {
    color: #27ae60;
}

.report-table td.negative {
    color: #e74c3c;
}

/* Chart Containers */
.charts-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.chart-container {
    background: #ffffff;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.chart-container h4 {
    margin: 0 0 20px 0;
    font-size: 16px;
    color: #2c3e50;
}

.chart-canvas {
    max-height: 300px;
}

/* Export Actions */
.export-section {
    background: #ffffff;
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.export-section h4 {
    margin: 0;
    font-size: 16px;
    color: #2c3e50;
}

.export-actions {
    display: flex;
    gap: 12px;
}

/* Loading State */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    font-size: 48px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #7f8c8d;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 20px;
    color: #2c3e50;
    margin: 0 0 8px 0;
}

.empty-state p {
    font-size: 14px;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .reports-grid {
        grid-template-columns: 1fr;
    }

    .kpi-section {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters-grid {
        grid-template-columns: 1fr;
    }

    .charts-section {
        grid-template-columns: 1fr;
    }

    .export-section {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .export-actions {
        width: 100%;
        flex-direction: column;
    }

    .export-actions button {
        width: 100%;
    }

    .report-table {
        font-size: 12px;
    }

    .report-table th,
    .report-table td {
        padding: 8px 12px;
    }
}

@media (max-width: 480px) {
    .kpi-section {
        grid-template-columns: 1fr;
    }

    .kpi-value {
        font-size: 24px;
    }
}

/* Print Styles */
@media print {
    .filters-section,
    .export-section,
    .section-toggle,
    nav {
        display: none !important;
    }

    .report-section {
        page-break-inside: avoid;
    }

    .report-table {
        font-size: 10px;
    }
}