/* --- CSS Stylesheet for Dedicated SaaS Analytics Pages --- */

.analytics-page {
    animation: fadeIn var(--duration-base) var(--easing-out);
    padding: var(--space-2.5) var(--space-5);
}

/* Page Header Spacing Adjustment */
.analytics-page .page-header {
    margin-bottom: var(--space-3);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.analytics-page .page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 2px;
}
.analytics-page .page-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Consolidated Compact Filter Card */
.analytics-filter-card {
    padding: var(--space-2.5) var(--space-3.5);
    margin-bottom: var(--space-3.5);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}
.analytics-filter-row {
    display: flex;
    flex-flow: row nowrap;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
}
.filter-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 0 1 auto;
    min-width: 130px;
}
.filter-group.search-filter {
    flex: 1 1 auto;
    min-width: 180px;
}
.filter-label {
    font-size: 9px;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.filter-select, .analytics-filter-row .form-input {
    height: 32px;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-md);
    background-color: var(--bg-sunken);
    border: 1px solid var(--border-default);
    padding: 0 var(--space-3);
    color: var(--text-primary);
    transition: border-color var(--duration-fast);
}
.filter-select:focus, .analytics-filter-row .form-input:focus {
    border-color: var(--border-strong);
    outline: none;
}
.custom-date-inputs {
    display: flex;
    gap: var(--space-2);
}
.search-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.search-input-wrap .search-icon {
    position: absolute;
    left: var(--space-3);
    color: var(--text-tertiary);
    pointer-events: none;
}
.search-input-wrap .form-input {
    width: 100%;
    padding-left: var(--space-8) !important;
}

/* Export Dropdown */
.export-dropdown-wrapper {
    position: relative;
}
.export-dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    width: 180px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    overflow: hidden;
}
.export-dropdown-menu.open {
    display: block;
}
.export-menu-item {
    display: block;
    width: 100%;
    padding: var(--space-2.5) var(--space-4);
    text-align: left;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background-color var(--duration-fast);
}
.export-menu-item:hover {
    background-color: var(--bg-sunken);
}

/* Compact KPIs Grid & Cards */
.an-kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}
.an-kpi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 115px; /* Constrained height between 110-130px */
    box-sizing: border-box;
    transition: transform var(--duration-base) var(--easing-spring), box-shadow var(--duration-base);
}
.an-kpi-card:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.an-kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
.an-kpi-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.an-kpi-trend {
    font-size: 11px;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 2px;
    line-height: 1.3;
}
.an-kpi-trend.up {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
}
.an-kpi-trend.down {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}
.an-kpi-trend.flat {
    background-color: var(--bg-sunken);
    color: var(--text-tertiary);
}
.an-kpi-value {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin: 1px 0;
}
.an-kpi-insight {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Double Grid: for side-by-side charts on Row 2 */
.an-double-grid {
    display: grid;
    grid-template-columns: 3fr 2fr; /* 60% and 40% */
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

/* Split Grid: for chart + table side-by-side on Row 3 */
.an-split-grid {
    grid-template-columns: 2fr 3fr; /* 40% and 60% */
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}
.an-split-grid.table-first {
    grid-template-columns: 3fr 2fr; /* 60% and 40% */
}

.chart-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}
.chart-card .card-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}
.chart-card .card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
}
.chart-container {
    padding: var(--space-4);
    height: 340px; /* Constrained chart heights between 320-380px */
    position: relative;
    box-sizing: border-box;
}

/* Compact Tables */
.table-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.table-card .card-header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}
.table-card .card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
}
.table-responsive {
    width: 100%;
    max-height: 440px; /* Constrained table height for sticky headers scroll */
    overflow-y: auto;
    overflow-x: auto;
}
.an-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}
.an-data-table th, .an-data-table td {
    padding: var(--space-2.5) var(--space-4);
    text-align: left;
}
.an-data-table th {
    position: sticky;
    top: 0;
    z-index: 5;
    background-color: var(--bg-sunken);
    box-shadow: inset 0 -1px 0 var(--border-subtle);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.an-data-table tr {
    background-color: var(--bg-surface);
}
.an-data-table tr:hover td {
    background-color: var(--bg-sunken);
}
.an-data-table td {
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
}

/* Compact Pagination Bar */
.an-pagination-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}
.pg-info-group {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.pg-info {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}
.pg-limit-selector {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}
.pg-limit-select {
    height: 24px;
    padding: 0 4px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
    background-color: var(--bg-sunken);
    color: var(--text-primary);
    font-size: var(--font-size-xs);
    outline: none;
    cursor: pointer;
}
.pg-buttons {
    display: flex;
    gap: 4px;
}
.pg-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 0 var(--space-2);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-default);
    background: var(--bg-surface);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--duration-fast);
}
.pg-btn:hover:not(:disabled) {
    background: var(--bg-sunken);
    border-color: var(--border-strong);
}
.pg-btn.active {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}
.pg-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-default);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Chart and Table overlays */
.chart-overlay-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(1px);
    z-index: 10;
}
.dark-mode .chart-overlay-loading {
    background: rgba(26, 26, 36, 0.75);
}

/* Shimmer Animation for KPI skeletons */
.skeleton-kpi {
    position: relative;
    overflow: hidden;
    background: var(--bg-sunken);
    border-radius: var(--radius-sm);
    display: inline-block;
    min-width: 80px;
    height: 1.8rem;
}
.skeleton-kpi::after {
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 20%,
        rgba(255, 255, 255, 0.5) 60%,
        rgba(255, 255, 255, 0) 100%
    );
    animation: shimmer 1.5s infinite;
    content: '';
}
.dark-mode .skeleton-kpi::after {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.05) 20%,
        rgba(255, 255, 255, 0.1) 60%,
        rgba(255, 255, 255, 0) 100%
    );
}
@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* Beautiful Empty State inside Tables or Chart Containers */
.an-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-4);
    text-align: center;
    width: 100%;
}
.an-empty-icon {
    font-size: 28px;
    margin-bottom: var(--space-2);
    opacity: 0.8;
}
.an-empty-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}
.an-empty-desc {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    max-width: 280px;
}

/* Responsive Overrides */
@media (max-width: 1023px) {
    .analytics-filter-row {
        flex-wrap: wrap;
    }
    .filter-group {
        flex: 1 1 calc(50% - var(--space-2));
        min-width: unset;
    }
    .filter-group.search-filter {
        flex: 1 1 100%;
    }
    .an-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .an-double-grid, .an-split-grid, .an-split-grid.table-first {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 767px) {
    .analytics-page {
        padding: var(--space-3) var(--space-4);
    }
    .analytics-filter-row {
        flex-direction: column;
        align-items: stretch;
    }
    .filter-group {
        width: 100%;
    }
    .custom-date-inputs {
        flex-direction: column;
    }
    .export-dropdown-wrapper {
        width: 100%;
    }
    .export-dropdown-wrapper button {
        width: 100%;
    }
    .an-kpi-grid {
        grid-template-columns: 1fr;
    }
}

/* Alignment Utilities */
.align-self-end {
    align-self: flex-end;
}

/* Email Analytics Extensions */
.email-analytics-page .ea-kpi-grid {
    grid-template-columns: repeat(4, 1fr);
}
.ea-widget-list {
    display: flex;
    flex-direction: column;
    min-height: 150px;
}
.ea-widget-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    gap: var(--space-2);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}
.ea-template-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--space-3);
    border-bottom: 1px solid var(--border-subtle);
    cursor: pointer;
    transition: background-color var(--duration-fast);
}
.ea-template-row:hover {
    background-color: var(--bg-sunken);
}
.ea-template-row:last-child {
    border-bottom: none;
}
.ea-tips {
    margin: var(--space-1) 0 0;
    padding-left: var(--space-4);
    font-size: 10px;
    color: var(--text-tertiary);
}
.ea-tips li {
    margin-bottom: 2px;
}
.ea-detail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
}
.ea-detail-stat {
    background: var(--bg-sunken);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    text-align: center;
}
.ea-detail-stat .label {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 4px;
}
.ea-detail-stat .val {
    font-size: 1.25rem;
    font-weight: 700;
}
.ea-activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.ea-activity-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    background: var(--bg-sunken);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}
@media (max-width: 1023px) {
    .email-analytics-page .ea-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ea-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 767px) {
    .email-analytics-page .ea-kpi-grid {
        grid-template-columns: 1fr;
    }
    .ea-detail-grid {
        grid-template-columns: 1fr 1fr;
    }
}
@media print {
    .analytics-filter-card, .page-header-actions, #ea-pagination, .ea-view-btn {
        display: none !important;
    }
}

/* ===== Email Analytics — Template Detail View ===== */
.ea-detail-view {
    animation: fadeIn 0.2s ease-out;
}
.ea-detail-topbar {
    align-items: flex-start;
}
.ea-detail-heading {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.ea-detail-header {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}
.ea-detail-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}
.ea-detail-h2 {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}
.ea-status-pill {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.ea-status-success { background: var(--color-success-soft, rgba(34,197,94,0.15)); color: var(--color-success, #16a34a); }
.ea-status-warning { background: var(--color-warning-soft, rgba(234,179,8,0.15)); color: var(--color-warning, #ca8a04); }
.ea-status-danger  { background: var(--color-danger-soft, rgba(239,68,68,0.15)); color: var(--color-danger, #dc2626); }
.ea-status-neutral { background: var(--bg-sunken); color: var(--text-secondary); }
.ea-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
    margin-top: var(--space-3);
}
.ea-meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.ea-meta-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
}
.ea-meta-val {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.ea-summary-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}
.ea-sum-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.ea-sum-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}
.ea-sum-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ea-detail-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}
.ea-detail-section {
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}
.ea-detail-columns .ea-detail-section {
    margin-bottom: 0;
}
.ea-section-title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.ea-delivery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.ea-delivery-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--bg-sunken);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    gap: 4px;
}
.ea-delivery-val {
    font-size: 1.25rem;
    font-weight: 700;
}
.ea-delivery-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
}
.ea-progress-track {
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--bg-sunken);
    overflow: hidden;
}
.ea-progress-fill {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--color-success, #16a34a);
    transition: width var(--duration-base) var(--easing-spring);
}

.ea-info-list {
    display: flex;
    flex-direction: column;
}
.ea-info-row {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: var(--font-size-sm);
}
.ea-info-row:last-child {
    border-bottom: none;
}
.ea-info-label {
    color: var(--text-secondary);
}
.ea-info-val {
    color: var(--text-primary);
    font-weight: 500;
    text-align: right;
    word-break: break-word;
}

.ea-failure-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.ea-failure-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-sunken);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}
.ea-failure-reason {
    color: var(--text-primary);
    word-break: break-word;
}
.ea-failure-count {
    color: var(--text-secondary);
    font-weight: 600;
    white-space: nowrap;
}
.ea-activity-table th,
.ea-activity-table td {
    white-space: nowrap;
}

@media (max-width: 1023px) {
    .ea-summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ea-detail-columns {
        grid-template-columns: 1fr;
    }
    .ea-detail-columns .ea-detail-section {
        margin-bottom: var(--space-4);
    }
}
@media (max-width: 767px) {
    .ea-summary-grid {
        grid-template-columns: 1fr 1fr;
    }
    .ea-delivery-grid {
        grid-template-columns: 1fr;
    }
    .ea-detail-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
}
@media print {
    .ea-detail-topbar .page-header-actions,
    #ea-detail-back {
        display: none !important;
    }
}