/**
 * Analytics Dashboard Styles
 * Charts, timelines, and data visualization
 */

/* Analytics Container */
.bbai-analytics-container {
    max-width: var(--bbai-dashboard-max-width);
    margin: 0 auto;
}

/* Bottom row: Before & After + Recent Activity - equal height cards */
.bbai-analytics-bottom-row {
    display: flex;
    gap: 24px;
    align-items: stretch;
}

.bbai-analytics-bottom-row .bbai-dashboard-card {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

@media (max-width: 1400px) {
    .bbai-analytics-bottom-row {
        flex-wrap: wrap;
    }

    .bbai-analytics-bottom-row .bbai-dashboard-card {
        flex: 1 1 calc(50% - 12px);
        min-width: 280px;
    }
}

@media (max-width: 1024px) {
    .bbai-analytics-bottom-row {
        flex-direction: column;
    }

    .bbai-analytics-bottom-row .bbai-dashboard-card {
        flex: 1 1 100%;
        min-width: 100%;
    }
}

@media (max-width: 768px) {
    .bbai-analytics-bottom-row {
        flex-direction: column;
        gap: var(--bbai-space-6);
    }

    .bbai-analytics-bottom-row .bbai-dashboard-card {
        flex: 1 1 100%;
    }
}

/* Chart Container */
.bbai-chart-container {
    position: relative;
    width: 100%;
    height: 300px;
    margin-bottom: var(--bbai-space-6);
    padding: var(--bbai-space-4);
    background: linear-gradient(to bottom, rgba(249, 250, 251, 0.5), transparent);
    border-radius: var(--bbai-radius-lg);
}

.bbai-chart-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Chart Empty State */
.bbai-chart-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--bbai-space-16) var(--bbai-space-6);
    text-align: center;
}

.bbai-chart-empty-icon {
    color: var(--bbai-text-muted);
    opacity: 0.4;
    margin-bottom: var(--bbai-space-4);
}

.bbai-chart-empty-text {
    font-size: var(--bbai-text-base);
    color: var(--bbai-text-muted);
    margin: 0;
    max-width: 400px;
}

.bbai-chart-insight {
    margin-top: var(--bbai-space-3);
    font-size: var(--bbai-text-sm);
    color: var(--bbai-text-muted);
}

/* Card Header with Action Button */
.bbai-card-header--with-action {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--bbai-space-4);
}

/* Chart Legend */
.bbai-chart-legend {
    display: flex;
    justify-content: center;
    gap: var(--bbai-space-4);
    flex-wrap: wrap;
    margin-top: var(--bbai-space-2);
}

.bbai-chart-legend-item {
    display: flex;
    align-items: center;
    gap: var(--bbai-space-2);
    font-size: var(--bbai-text-sm);
    color: var(--bbai-text-muted);
}

.bbai-chart-legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    display: inline-block;
    box-shadow: 0 1px 3px rgba(16, 185, 129, 0.3);
}

/* Activity Timeline */
.bbai-activity-timeline {
    position: relative;
    padding-left: var(--bbai-space-6);
}

.bbai-activity-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--bbai-gray-200);
}

.bbai-activity-item {
    position: relative;
    padding-bottom: var(--bbai-space-6);
    padding-left: var(--bbai-space-6);
}

.bbai-activity-item::before {
    content: '';
    position: absolute;
    left: -18px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bbai-primary);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--bbai-gray-200);
}

.bbai-activity-item:last-child {
    padding-bottom: 0;
}

.bbai-activity-time {
    font-size: var(--bbai-text-xs);
    color: var(--bbai-text-muted);
    margin-bottom: var(--bbai-space-1);
}

.bbai-activity-description {
    font-size: var(--bbai-text-sm);
    color: var(--bbai-text);
    line-height: 1.5;
}

.bbai-activity-empty {
    text-align: center;
    padding: var(--bbai-space-12);
    color: var(--bbai-text-muted);
}

.bbai-activity-empty svg {
    opacity: 0.5;
}

/* Activity Item - Flex layout for icon + content */
.bbai-activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--bbai-space-3);
    position: relative;
    padding-bottom: var(--bbai-space-4);
    padding-left: 0;
}

.bbai-activity-item.is-hidden {
    display: none;
}

.bbai-activity-item::before {
    display: none; /* Remove the dot since we have icons now */
}

.bbai-activity-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    border-radius: 50%;
    background: var(--bbai-gray-100);
    color: var(--bbai-text-muted);
}

.bbai-activity-icon svg {
    width: 16px;
    height: 16px;
}

.bbai-activity-icon--success {
    background: #dcfce7;
    color: #16a34a;
}

.bbai-activity-icon--warning {
    background: #fef3c7;
    color: #d97706;
}

.bbai-activity-icon--default {
    background: #e0f2fe;
    color: #0284c7;
}

.bbai-activity-content {
    flex: 1;
    min-width: 0;
}

.bbai-activity-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--bbai-space-2);
    flex-wrap: wrap;
    margin-bottom: var(--bbai-space-1);
}

.bbai-activity-title {
    font-size: var(--bbai-text-sm);
    color: var(--bbai-text);
    margin: 0;
    font-weight: var(--bbai-font-medium);
}

.bbai-activity-time {
    font-size: var(--bbai-text-xs);
    color: var(--bbai-text-muted);
    white-space: nowrap;
}

.bbai-activity-description {
    font-size: var(--bbai-text-xs);
    color: var(--bbai-text-muted);
    margin: 0;
    line-height: 1.4;
}

/* Reset timeline line for new layout */
.bbai-activity-timeline {
    padding-left: 0;
}

.bbai-activity-timeline::before {
    display: none;
}

/* Activity Toggle Button */
.bbai-activity-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--bbai-space-1);
    width: 100%;
    padding: var(--bbai-space-3) var(--bbai-space-4);
    margin-top: var(--bbai-space-2);
    background: var(--bbai-gray-50);
    border: 1px solid var(--bbai-border);
    border-radius: var(--bbai-radius-md);
    font-size: var(--bbai-text-xs);
    font-weight: var(--bbai-font-medium);
    color: var(--bbai-text-muted);
    cursor: pointer;
    transition: all var(--bbai-transition-base);
}

.bbai-activity-toggle:hover {
    background: var(--bbai-gray-100);
    color: var(--bbai-text);
    border-color: var(--bbai-gray-300);
}

.bbai-toggle-icon {
    font-size: 10px;
    line-height: 1;
    transition: transform var(--bbai-transition-base);
}

.bbai-activity-toggle.is-expanded .bbai-toggle-icon {
    transform: rotate(180deg);
}

/* Usage Breakdown */
.bbai-usage-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--bbai-space-6);
}

.bbai-usage-breakdown-item {
    text-align: center;
    padding: var(--bbai-space-4);
    background: var(--bbai-gray-50);
    border-radius: var(--bbai-radius-lg);
}

.bbai-usage-breakdown-label {
    font-size: var(--bbai-text-sm);
    color: var(--bbai-text-muted);
    margin-bottom: var(--bbai-space-2);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bbai-usage-breakdown-value {
    font-size: var(--bbai-text-3xl);
    font-weight: var(--bbai-font-bold);
    color: var(--bbai-primary);
    line-height: 1;
    margin-bottom: var(--bbai-space-2);
}

.bbai-usage-breakdown-total {
    font-size: var(--bbai-text-xs);
    color: var(--bbai-text-muted);
}

/* Comparison Grid */
.bbai-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--bbai-space-6);
    margin-bottom: var(--bbai-space-6);
}

.bbai-comparison-item {
    padding: var(--bbai-space-6);
    border-radius: var(--bbai-radius-lg);
    text-align: center;
    border: 2px solid var(--bbai-gray-200);
}

.bbai-comparison-item--before {
    background: #fef2f2;
    border-color: var(--bbai-error);
}

.bbai-comparison-item--after {
    background: #f0fdf4;
    border-color: var(--bbai-success);
}

.bbai-comparison-label {
    font-size: var(--bbai-text-sm);
    font-weight: var(--bbai-font-semibold);
    color: var(--bbai-text-muted);
    margin-bottom: var(--bbai-space-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.bbai-comparison-value {
    font-size: var(--bbai-text-4xl);
    font-weight: var(--bbai-font-bold);
    line-height: 1;
    margin-bottom: var(--bbai-space-2);
}

.bbai-comparison-item--before .bbai-comparison-value {
    color: var(--bbai-error);
}

.bbai-comparison-item--after .bbai-comparison-value {
    color: var(--bbai-success);
}

.bbai-comparison-description {
    font-size: var(--bbai-text-sm);
    color: var(--bbai-text-muted);
}

.bbai-comparison-improvement {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--bbai-space-2);
    padding: var(--bbai-space-4);
    background: var(--bbai-primary-soft);
    border-radius: var(--bbai-radius-lg);
    font-size: var(--bbai-text-base);
    font-weight: var(--bbai-font-semibold);
    color: var(--bbai-primary);
}

/* Period Selector */
.bbai-period-selector {
    display: inline-flex;
    align-items: center;
    overflow: hidden;
    border: 1px solid var(--bbai-border);
    border-radius: var(--bbai-radius-lg);
    background: var(--bbai-bg);
    font-size: var(--bbai-text-xs);
}

.bbai-period-btn {
    padding: var(--bbai-space-2) var(--bbai-space-4);
    border: none;
    background: transparent;
    color: var(--bbai-text-muted);
    font-size: var(--bbai-text-xs);
    font-weight: var(--bbai-font-medium);
    cursor: pointer;
    transition: all var(--bbai-transition-base);
    border-left: 1px solid var(--bbai-border);
}

.bbai-period-btn:first-child {
    border-left: none;
}

.bbai-period-btn:hover {
    background: var(--bbai-gray-50);
    color: var(--bbai-text);
}

.bbai-period-btn--active,
.bbai-period-btn[aria-pressed="true"] {
    background: var(--bbai-gray-50);
    color: var(--bbai-text);
    font-weight: var(--bbai-font-semibold);
}

.bbai-period-btn:focus-visible {
    outline: 2px solid var(--bbai-primary);
    outline-offset: 2px;
}

/* Usage Breakdown Grid - Updated for 4 columns */
.bbai-usage-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--bbai-space-6);
}

@media (max-width: 1024px) {
    .bbai-usage-breakdown-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .bbai-usage-breakdown-grid {
        grid-template-columns: 1fr;
    }
}

/* Usage Breakdown Item - Updated styling */
.bbai-usage-breakdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--bbai-space-3);
    padding: var(--bbai-space-5);
    background: var(--bbai-gray-50);
    border-radius: var(--bbai-radius-lg);
    text-align: center;
}

.bbai-usage-breakdown-item .bbai-metric-icon {
    margin-bottom: 0;
}

.bbai-usage-breakdown-value {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--bbai-space-1);
}

.bbai-usage-breakdown-value .bbai-usage-breakdown-total {
    font-size: var(--bbai-text-xs);
    color: var(--bbai-text-muted);
    font-weight: var(--bbai-font-normal);
}

/* Comparison Grid - 2 column layout */
.bbai-comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--bbai-space-6);
    margin-bottom: var(--bbai-space-6);
}

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

/* Responsive */
@media (max-width: 768px) {
    .bbai-usage-breakdown-grid,
    .bbai-comparison-grid {
        grid-template-columns: 1fr;
    }

    .bbai-chart-container {
        height: 200px;
    }

    .bbai-period-selector {
        flex-wrap: wrap;
    }
}

/* Loading State */
.bbai-activity-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--bbai-space-12);
    gap: var(--bbai-space-3);
    color: var(--bbai-text-muted);
}

.bbai-activity-loading p {
    margin: 0;
    font-size: var(--bbai-text-sm);
}

/* Spinner */
.bbai-spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--bbai-gray-200);
    border-top-color: var(--bbai-primary);
    border-radius: 50%;
    animation: bbai-spin 0.8s linear infinite;
}

@keyframes bbai-spin {
    to {
        transform: rotate(360deg);
    }
}

/* Icon Button */
.bbai-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--bbai-space-2);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--bbai-radius-md);
    color: var(--bbai-text-muted);
    cursor: pointer;
    transition: all var(--bbai-transition-base);
}

.bbai-icon-btn:hover {
    background: var(--bbai-gray-100);
    color: var(--bbai-text);
    border-color: var(--bbai-border);
}

.bbai-icon-btn:focus-visible {
    outline: 2px solid var(--bbai-primary);
    outline-offset: 2px;
}

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

.bbai-icon-btn-sm {
    padding: var(--bbai-space-1);
}

.bbai-icon-btn-sm svg {
    width: 16px;
    height: 16px;
}

/* Spinning animation for refresh button */
.bbai-icon-btn.bbai-spinning svg {
    animation: bbai-spin 0.8s linear infinite;
}

/* Improved Empty State */
.bbai-activity-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--bbai-space-12);
    color: var(--bbai-text-muted);
}

.bbai-activity-empty svg {
    opacity: 0.4;
    color: var(--bbai-text-muted);
}

.bbai-empty-title {
    font-size: var(--bbai-text-base);
    font-weight: var(--bbai-font-semibold);
    color: var(--bbai-text);
    margin: 0 0 var(--bbai-space-2) 0;
}

.bbai-empty-description {
    font-size: var(--bbai-text-sm);
    color: var(--bbai-text-muted);
    margin: 0;
    max-width: 280px;
}

/* Dark Mode */
[data-theme="dark"] .bbai-usage-breakdown-item,
.bbai-dark-mode .bbai-usage-breakdown-item {
    background: var(--bbai-gray-800);
}

[data-theme="dark"] .bbai-comparison-item--before,
.bbai-dark-mode .bbai-comparison-item--before {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--bbai-error);
}

[data-theme="dark"] .bbai-comparison-item--after,
.bbai-dark-mode .bbai-comparison-item--after {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--bbai-success);
}

[data-theme="dark"] .bbai-comparison-improvement,
.bbai-dark-mode .bbai-comparison-improvement {
    background: rgba(16, 185, 129, 0.1);
    color: var(--bbai-primary-light);
}

[data-theme="dark"] .bbai-icon-btn:hover,
.bbai-dark-mode .bbai-icon-btn:hover {
    background: var(--bbai-gray-700);
    border-color: var(--bbai-gray-600);
}

[data-theme="dark"] .bbai-spinner,
.bbai-dark-mode .bbai-spinner {
    border-color: var(--bbai-gray-600);
    border-top-color: var(--bbai-primary-light);
}

[data-theme="dark"] .bbai-empty-title,
.bbai-dark-mode .bbai-empty-title {
    color: var(--bbai-gray-100);
}