/* MTBF Dashboard - Core Styles */
:root {
    --mtit-primary: #1a73e8;
    --mtit-primary-dark: #0d47a1;
    --mtit-primary-light: #e8f0fe;
    --mtit-secondary: #ff9800;
    --mtit-secondary-dark: #ef6c00;
    --mtit-secondary-light: #fff3e0;
    --mtit-text-primary: #202124;
    --mtit-text-secondary: #5f6368;
    --mtit-border-color: #dadce0;
    --mtit-background: #f8f9fa;
    --mtit-success: #40c463;
    --mtit-warning: #ffa657;
    --mtit-danger: #ff4d4d;
    --mtit-card-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
    --mtit-border-radius: 8px;
    --mtit-spacing-xs: 4px;
    --mtit-spacing-sm: 8px;
    --mtit-spacing-md: 16px;
    --mtit-spacing-lg: 24px;
    --mtit-spacing-xl: 32px;
}

/* Main Container */
.mtit-mtbf-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
    color: var(--mtit-text-primary);
    margin: 2rem 0;
    line-height: 1.5;
}

/* Card Styles */
.mtit-card {
    background: white;
    border-radius: var(--mtit-border-radius);
    box-shadow: var(--mtit-card-shadow);
    overflow: hidden;
    border: 1px solid var(--mtit-border-color);
}

.mtit-card-header {
    padding: var(--mtit-spacing-md) var(--mtit-spacing-lg);
    border-bottom: 1px solid var(--mtit-border-color);
    background: var(--mtit-primary);
    color: white;
}

.mtit-card-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 500;
}

.mtit-equipment-info {
    margin-top: var(--mtit-spacing-xs);
    font-size: 1rem;
    opacity: 0.9;
}

.mtit-card-body {
    padding: var(--mtit-spacing-lg);
}

/* Stats Grid */
.mtit-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--mtit-spacing-md);
    margin-bottom: var(--mtit-spacing-lg);
}

.mtit-stat-panel {
    background: var(--mtit-background);
    border-radius: var(--mtit-border-radius);
    padding: var(--mtit-spacing-md);
    border: 1px solid var(--mtit-border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mtit-stat-panel:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.mtit-stat-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--mtit-spacing-sm);
}

.mtit-stat-header h3 {
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    color: var(--mtit-text-secondary);
}

.mtit-info-tooltip {
    margin-left: var(--mtit-spacing-xs);
    color: var(--mtit-primary);
    cursor: help;
    font-size: 14px;
}

.mtit-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--mtit-primary);
    margin: var(--mtit-spacing-xs) 0;
}

.mtit-stat-label {
    font-size: 0.875rem;
    color: var(--mtit-text-secondary);
}

/* Panel specific colors */
.mtit-mtbf-panel .mtit-stat-value {
    color: var(--mtit-primary);
}

.mtit-reliability-panel .mtit-stat-value {
    color: var(--mtit-secondary);
}

.mtit-uptime-panel .mtit-stat-value {
    color: var(--mtit-success);
}

.mtit-failures-panel .mtit-stat-value {
    color: var(--mtit-danger);
}

/* Chart Styles */
.mtit-chart-container {
    margin-bottom: var(--mtit-spacing-lg);
    padding: var(--mtit-spacing-md);
    background: white;
    border-radius: var(--mtit-border-radius);
    border: 1px solid var(--mtit-border-color);
}

.mtit-chart-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-top: 0;
    margin-bottom: var(--mtit-spacing-md);
    color: var(--mtit-text-primary);
}

.mtit-timeline {
    width: 100%;
}

.mtit-timeline-header {
    display: flex;
    justify-content: space-between;
    padding-bottom: var(--mtit-spacing-xs);
    border-bottom: 1px solid var(--mtit-border-color);
}

.mtit-timeline-scale-item {
    flex: 1;
    text-align: center;
    font-size: 0.75rem;
    color: var(--mtit-text-secondary);
}

.mtit-timeline-body {
    position: relative;
    margin: var(--mtit-spacing-md) 0;
    height: 60px;
}

.mtit-timeline-track {
    position: relative;
    width: 100%;
    height: 30px;
    background: #f1f3f4;
    border-radius: 15px;
}

.mtit-timeline-segment {
    position: absolute;
    height: 100%;
    top: 0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
}

.mtit-normal-period {
    background-color: var(--mtit-success);
    z-index: 1;
}

.mtit-repair-period {
    background-color: var(--mtit-warning);
    z-index: 2;
}

.mtit-broken-period {
    background-color: var(--mtit-danger);
    z-index: 2;
}

.mtit-segment-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 var(--mtit-spacing-xs);
}

.mtit-failure-marker {
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--mtit-primary);
    border-radius: 50%;
    top: -12px;
    transform: translateX(-12px);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.mtit-marker-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
}

.mtit-timeline-legend {
    display: flex;
    justify-content: center;
    gap: var(--mtit-spacing-lg);
    margin-top: var(--mtit-spacing-md);
}

.mtit-legend-item {
    display: flex;
    align-items: center;
    gap: var(--mtit-spacing-xs);
}

.mtit-legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

.mtit-normal-color {
    background-color: var(--mtit-success);
}

.mtit-repair-color {
    background-color: var(--mtit-warning);
}

.mtit-broken-color {
    background-color: var(--mtit-danger);
}

.mtit-legend-label {
    font-size: 0.875rem;
    color: var(--mtit-text-secondary);
}

/* Table Styles */
.mtit-table-container {
    padding: var(--mtit-spacing-md);
    background: white;
    border-radius: var(--mtit-border-radius);
    border: 1px solid var(--mtit-border-color);
}

.mtit-table-title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-top: 0;
    margin-bottom: var(--mtit-spacing-md);
    color: var(--mtit-text-primary);
}

.mtit-table-scroll {
    overflow-x: auto;
}

.mtit-failure-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.mtit-failure-table th,
.mtit-failure-table td {
    padding: var(--mtit-spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--mtit-border-color);
}

.mtit-failure-table th {
    background: var(--mtit-primary-light);
    font-weight: 500;
    color: var(--mtit-primary-dark);
    position: sticky;
    top: 0;
}

.mtit-failure-table tr:hover td {
    background-color: var(--mtit-background);
}

.mtit-loading-cell,
.mtit-empty-cell {
    text-align: center;
    padding: var(--mtit-spacing-lg) !important;
    color: var(--mtit-text-secondary);
}

/* Loading State */
.mtit-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    color: var(--mtit-text-secondary);
}

.mtit-empty-chart {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    color: var(--mtit-text-secondary);
    font-style: italic;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .mtit-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .mtit-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .mtit-timeline-scale-item:nth-child(even) {
        display: none;
    }
    
    .mtit-timeline-legend {
        flex-direction: column;
        align-items: center;
    }
    
    .mtit-card-body {
        padding: var(--mtit-spacing-sm);
    }
}

/* Trend indicators */
.mtit-trend-indicator {
    display: flex;
    align-items: center;
    font-size: 0.875rem;
    margin-top: var(--mtit-spacing-xs);
}

.mtit-trend-indicator.positive {
    color: var(--mtit-success);
}

.mtit-trend-indicator.negative {
    color: var(--mtit-danger);
}

.mtit-trend-indicator.neutral {
    color: var(--mtit-text-secondary);
}

.mtit-tooltip {
    position: relative;
    cursor: help;
}

.mtit-tooltip:hover .mtit-tooltip-text {
    visibility: visible;
    opacity: 1;
}

.mtit-tooltip-text {
    visibility: hidden;
    background-color: var(--mtit-text-primary);
    color: white;
    text-align: center;
    border-radius: 6px;
    padding: 8px 12px;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    width: 220px;
    font-size: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

.mtit-tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--mtit-text-primary) transparent transparent transparent;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.mtit-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.mtit-pulse {
    animation: pulse 2s infinite;
}