/* =============================================
   KPI Cards & Chart Containers
   Shared across: sales, inventory, expenses, etc.
   ============================================= */

.insights-section {
    margin-bottom: 2rem;
}

.insights-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 600;
}

.insights-header i {
    color: var(--primary);
}

/* ── KPI stat cards ───────────────────────────── */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.2rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.kpi-icon {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.kpi-icon.blue    { color: #3b82f6; }
.kpi-icon.green   { color: #10b981; }
.kpi-icon.purple  { color: #8b5cf6; }
.kpi-icon.orange  { color: #f59e0b; }
.kpi-icon.red     { color: #ef4444; }
.kpi-icon.slate   { color: #64748b; }

.kpi-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}

.kpi-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.kpi-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* ── Shimmer loading placeholder ──────────────── */

@keyframes kpi-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.kpi-shimmer {
    height: 1.6rem;
    width: 60%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: kpi-shimmer 1.4s ease-in-out infinite;
}

/* ── Chart containers ─────────────────────────── */

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.chart-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.2rem;
}

.chart-box h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-box h4 i {
    color: var(--primary);
    font-size: 0.9rem;
}

.chart-box canvas {
    max-height: 260px;
}

/* ── Status badges (shared) ───────────────────── */

.status-pending {
    color: #f59e0b;
    background: rgba(245, 158, 11, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.status-approved {
    color: #10b981;
    background: rgba(16, 185, 129, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.status-rejected {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

/* ── Action buttons (table rows) ──────────────── */

.action-btn {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: 0.25rem;
    transition: opacity 0.2s;
}

.action-btn:hover { opacity: 0.8; }

.approve-btn { background: rgba(16, 185, 129, 0.2); color: #10b981; }
.reject-btn  { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.delete-btn  { background: rgba(107, 114, 128, 0.2); color: #6b7280; }
.edit-btn    { background: rgba(59, 130, 246, 0.2); color: #3b82f6; }

/* ── Responsive ───────────────────────────────── */

@media (max-width: 768px) {
    .charts-row {
        grid-template-columns: 1fr;
    }

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

    .kpi-value {
        font-size: 1.3rem;
    }
}

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