/* ==========================================================================
   BI Dashboard — Premium Power BI-inspired Theme
   ========================================================================== */

/* ---------- Filter Bar ---------- */
.bi-filter-bar {
    background: #ffffff;
    border: 1px solid #e9ecef;
    padding: 16px 24px;
    border-radius: 12px;
    margin-bottom: 24px;
    position: sticky;
    top: 60px;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
}

.bi-filter-bar label {
    color: #4b6584;
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    display: block;
}

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

.bi-filter-bar input[type="text"],
.bi-filter-bar input.bi-datepicker {
    background: #f8f9fa;
    border: 1px solid #dfe6e9;
    border-radius: 8px;
    color: #2d3436;
    padding: 0 14px;
    height: 38px;
    box-sizing: border-box;
    font-size: 13px;
    font-weight: 500;
    min-width: 150px;
    transition: all 0.3s ease;
}

.bi-filter-bar input[type="text"]:focus,
.bi-filter-bar input.bi-datepicker:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    background: #ffffff;
}

.bi-filter-bar .quick-filters {
    display: flex;
    gap: 8px;
    align-items: center;
}

.bi-quick-btn {
    background: #f1f2f6;
    border: 1px solid #dfe6e9;
    color: #57606f;
    padding: 0 16px;
    height: 38px;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.bi-quick-btn:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: #667eea;
    color: #667eea;
}

.bi-quick-btn.active {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.35);
}

.bi-apply-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: #fff;
    padding: 0 24px;
    height: 38px;
    box-sizing: border-box;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.bi-apply-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.bi-export-btn {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    border: none;
    color: #fff;
    padding: 0 20px;
    height: 38px;
    box-sizing: border-box;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.bi-export-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(46, 204, 113, 0.35);
}

/* ---------- Summary Cards ---------- */
.bi-summary-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.bi-summary-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.bi-summary-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.bi-summary-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: 4px 0 0 4px;
}

.bi-summary-card.card-total::before {
    background: linear-gradient(180deg, #667eea, #764ba2);
}

.bi-summary-card.card-completed::before {
    background: linear-gradient(180deg, #2ecc71, #27ae60);
}

.bi-summary-card.card-pending::before {
    background: linear-gradient(180deg, #f39c12, #e67e22);
}

.bi-summary-card.card-rejected::before {
    background: linear-gradient(180deg, #e74c3c, #c0392b);
}

.bi-summary-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 12px;
    color: #fff;
}

.card-total .card-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.card-completed .card-icon {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.card-pending .card-icon {
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.card-rejected .card-icon {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.bi-summary-card .card-label {
    font-size: 12px;
    color: #778ca3;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.bi-summary-card .metric-main {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-bottom: 4px;
}

.bi-summary-card .card-value {
    font-size: 26px;
    font-weight: 700;
    color: #1a1a2e;
    line-height: 1.1;
}

.bi-summary-card .metric-unit {
    font-size: 13px;
    font-weight: 600;
    color: #596275;
}

.bi-summary-card .metric-sub {
    font-size: 12.5px;
    font-weight: 600;
    color: #4b6584;
    background: rgba(0, 0, 0, 0.04);
    padding: 4px 10px;
    border-radius: 6px;
    display: inline-block;
    margin-top: 4px;
}

.bi-summary-card .metric-sub i {
    font-size: 11px;
    margin-right: 3px;
    opacity: 0.7;
}

/* ---------- Chart Grid ---------- */
.bi-charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.bi-chart-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.bi-chart-card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.bi-chart-card.full-width {
    grid-column: 1 / -1;
}

.bi-chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px 8px;
    border-bottom: 1px solid #f1f2f6;
}

.bi-chart-title {
    font-size: 15px;
    font-weight: 600;
    color: #2d3436;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bi-chart-title i {
    font-size: 14px;
    color: #667eea;
}

.bi-view-data-btn {
    background: transparent;
    border: 1px solid #dfe6e9;
    color: #636e72;
    padding: 5px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.bi-view-data-btn:hover {
    border-color: #667eea;
    color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.bi-view-data-btn.active {
    border-color: #667eea;
    color: #667eea;
    background: rgba(102, 126, 234, 0.08);
}

.bi-view-data-btn .arrow-icon {
    transition: transform 0.3s ease;
    font-size: 10px;
}

.bi-view-data-btn.active .arrow-icon {
    transform: rotate(180deg);
}

.bi-chart-body {
    padding: 16px 20px;
    position: relative;
    min-height: 280px;
}

.bi-chart-body canvas {
    max-height: 320px;
}

/* ---------- Accordion Data Table ---------- */
.bi-accordion-panel {
    display: none;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: 16px 20px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }

    to {
        opacity: 1;
        max-height: 1000px;
    }
}

.bi-accordion-panel table {
    width: 100%;
    font-size: 12.5px;
}

.bi-accordion-panel .dataTables_wrapper {
    font-size: 12.5px;
}

.bi-accordion-panel table thead th {
    background: #2d3436;
    color: #fff;
    font-weight: 600;
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 10px 12px;
    border: none;
}

.bi-accordion-panel table tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid #e9ecef;
    color: #2d3436;
}

.bi-accordion-panel table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

/* ---------- Loading Overlay ---------- */
.bi-loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: 12px;
}

.bi-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid #e9ecef;
    border-top-color: #667eea;
    border-radius: 50%;
    animation: biSpin 0.8s linear infinite;
}

@keyframes biSpin {
    to {
        transform: rotate(360deg);
    }
}

/* ---------- No Data State ---------- */
.bi-no-data {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: #a5b1c2;
    font-size: 14px;
}

.bi-no-data i {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .bi-summary-row {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .bi-filter-bar {
        position: static;
    }
}

@media (max-width: 576px) {
    .bi-summary-row {
        grid-template-columns: 1fr;
    }

    .bi-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .bi-filter-bar .quick-filters {
        flex-wrap: wrap;
    }

    .bi-export-btn {
        margin-left: 0;
    }
}