/* public/css/reports.css – Berichte & Analysen
 * Vollständige, erweiterte Version basierend auf der alten reports.html
 * Alle Styles für KPIs, Charts, Tabellen, Export-Dropdowns, Responsive
 * Export-Icons jetzt schwarz/weiß (wie bei customers und invoices)
 */

/* ============================================================
   REPORTS CONTAINER
   ============================================================ */
.reports-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: #fff;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    overflow-x: auto;
}

/* ============================================================
   KPI GRID (8 Karten)
   ============================================================ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 16px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.kpi-card {
    background: #fff;
    border-radius: var(--border-radius-md);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    border-top: 4px solid var(--primary);
    min-width: 140px;
    transition: transform 0.15s;
}

.kpi-card:hover {
    transform: translateY(-2px);
}

.kpi-card.success {
    border-top-color: var(--success);
}
.kpi-card.warning {
    border-top-color: var(--warning);
}
.kpi-card.danger {
    border-top-color: var(--danger);
}
.kpi-card.info {
    border-top-color: var(--info);
}
.kpi-card.purple {
    border-top-color: var(--purple);
}

.kpi-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gray-600);
    margin-bottom: 8px;
    font-weight: 600;
}

.kpi-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
    line-height: 1.2;
}

.kpi-sub {
    font-size: 0.7rem;
    color: var(--gray-500);
    margin-top: 2px;
}

.kpi-inline-amount {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-500);
    margin-left: 8px;
    vertical-align: middle;
    white-space: nowrap;
}

.kpi-trend {
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--gray-200);
}

.kpi-trend.positive {
    color: var(--success);
}
.kpi-trend.negative {
    color: var(--danger);
}
.kpi-trend.neutral {
    color: var(--gray-500);
}

.kpi-good {
    color: #16a34a !important;
}
.kpi-warn {
    color: #d97706 !important;
}
.kpi-bad {
    color: #dc2626 !important;
}

/* ============================================================
   CHARTS GRID (2 Spalten)
   ============================================================ */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.chart-card {
    background: #fff;
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    border-top: 4px solid var(--info);
    overflow-x: auto;
    width: 100%;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.chart-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-800);
}

.chart-container {
    height: 250px;
    position: relative;
    min-width: 250px;
}

/* ============================================================
   AGING AMOUNTS BAR (unter Aging-Chart)
   ============================================================ */
.aging-amounts {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border-top: 1px solid var(--gray-200);
    margin-top: 12px;
    padding-top: 8px;
}

.aging-amt-item {
    flex: 1;
    min-width: 100px;
    padding: 6px 10px;
    font-size: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.aging-amt-item span {
    color: var(--gray-500);
    font-size: 0.7rem;
}

.aging-amt-item strong {
    color: var(--gray-800);
    font-weight: 700;
}

/* ============================================================
   REPORT TABLES (2 Spalten)
   ============================================================ */
.report-tables-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.report-table-container {
    background: #fff;
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    border-top: 4px solid var(--purple);
    overflow-x: auto;
}

.report-table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.report-table-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-800);
}

.report-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.report-table th {
    text-align: left;
    padding: 10px 12px;
    background-color: var(--gray-50);
    border-bottom: 2px solid var(--gray-200);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--gray-600);
    position: sticky;
    top: 0;
    z-index: 2;
}

.report-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.8rem;
    color: var(--gray-800);
}

.report-table tr:last-child td {
    border-bottom: none;
}

.report-table tbody tr:hover {
    background-color: var(--gray-50);
}

/* ─── Scrollable Table Container ─── */
.scrollable-table-container {
    max-height: 350px;
    overflow-y: auto;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    position: relative;
    width: 100%;
}

.scrollable-table-container table {
    margin-bottom: 0;
    width: 100%;
}

.scrollable-table-container thead th {
    position: sticky;
    top: 0;
    background-color: var(--gray-50);
    z-index: 5;
    box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.08);
}

/* ============================================================
   BREAKDOWN SECTION (volle Breite)
   ============================================================ */
.breakdown-section {
    margin-top: 20px;
}

/* ============================================================
   OVERDUE BADGES
   ============================================================ */
.overdue-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    white-space: nowrap;
}

.overdue-badge.neutral {
    background: var(--gray-100);
    color: var(--gray-600);
}
.overdue-badge.low {
    background: #fef3c7;
    color: #92400e;
}
.overdue-badge.medium {
    background: #fee2e2;
    color: #991b1b;
}
.overdue-badge.high {
    background: #7f1d1d;
    color: #fff;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--gray-300);
}

.empty-state p {
    font-size: 0.9rem;
}

/* ============================================================
   EXPORT BUTTONS (Dropdowns) – schwarz/weiß wie bei customers
   ============================================================ */
.export-dropdown {
    position: relative;
    display: inline-block;
}

.export-btn {
    padding: 6px 14px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid var(--gray-300);
    background: var(--gray-50);
    color: var(--gray-700);
    transition: all 0.15s;
    white-space: nowrap;
    height: 32px;
}

.export-btn:hover:not(:disabled) {
    background: var(--gray-200);
    border-color: var(--gray-400);
}

.export-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.export-btn.feature-disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.export-btn i.fa-chevron-down {
    font-size: 9px;
}

.export-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    display: none;
    z-index: 1000;
    min-width: 160px;
    margin-top: 4px;
    overflow: hidden;
}

.export-menu.show {
    display: block;
}

.export-option {
    padding: 8px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
    transition: all 0.15s;
}

.export-option:last-child {
    border-bottom: none;
}

.export-option:hover {
    background-color: var(--gray-50);
}

/* ─── Export-Icons – schwarz/weiß (keine farbigen Icons mehr) ─── */
.export-option i {
    width: 16px;
    text-align: center;
    color: var(--gray-600);
}

.export-option:hover i {
    color: var(--gray-800);
}

/* ============================================================
   CF-HINT (Cashflow-Hinweis)
   ============================================================ */
.cf-hint {
    font-size: 0.78rem;
    color: var(--gray-500);
    padding: 6px 16px;
    border-top: 1px solid var(--gray-200);
    margin-top: 4px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
    .kpi-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .charts-grid {
        grid-template-columns: 1fr;
    }
    .report-tables-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .kpi-card {
        min-width: 100px;
        padding: 12px;
    }
    .kpi-value {
        font-size: 1.1rem;
    }
    .chart-container {
        height: 200px;
    }
}

@media (max-width: 640px) {
    .kpi-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .kpi-card {
        padding: 10px;
        min-width: 0;
    }
    .kpi-value {
        font-size: 1rem;
    }
    .chart-container {
        height: 180px;
    }
    .export-menu {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    }
    .report-table-container {
        padding: 12px;
    }
    .scrollable-table-container {
        max-height: 200px;
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
    .charts-grid {
        gap: 12px;
    }
    .chart-card {
        padding: 12px;
    }
}