/* Timeline Styles */
.timeline-container {
    margin: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: var(--spacing-xl);
    overflow-x: auto;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.timeline-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
}

.timeline-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    flex-wrap: wrap;
}

.timeline-filter {
    display: flex;
    gap: var(--spacing-xs);
    background: var(--bg-primary);
    border-radius: 8px;
    padding: var(--spacing-xs);
    border: 1px solid var(--border-color);
}

.timeline-filter-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
    white-space: nowrap;
}

.timeline-filter-btn.active {
    background: var(--primary-color);
    color: white;
}

.timeline-filter-btn:hover:not(.active) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.timeline-zoom {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.zoom-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.zoom-slider {
    width: 100px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
}

.zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s;
}

.zoom-slider::-webkit-slider-thumb:hover {
    background: var(--accent-color);
}

.zoom-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s;
}

.zoom-slider::-moz-range-thumb:hover {
    background: var(--accent-color);
}

/* Timeline principal */
.timeline {
    position: relative;
    min-height: 400px;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: var(--spacing-xl);
    overflow-x: auto;
    overflow-y: visible;
}

.timeline-axis {
    position: relative;
    height: 2px;
    background: var(--border-color);
    margin: var(--spacing-2xl) 0;
    border-radius: 1px;
}

.timeline-axis::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    margin-left: -4px;
}

.timeline-axis::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--primary-color);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

/* Marcadores de tempo */
.time-markers {
    position: relative;
    height: 30px;
    margin-bottom: var(--spacing-lg);
}

.time-marker {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    white-space: nowrap;
}

.time-marker::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 10px;
    background: var(--border-color);
}

.time-marker.major {
    font-weight: 500;
    color: var(--text-primary);
}

.time-marker.major::before {
    height: 15px;
    background: var(--text-secondary);
}

/* Eventos na timeline */
.timeline-events {
    position: relative;
    min-height: 200px;
}

.timeline-event {
    position: absolute;
    transform: translateX(-50%);
    cursor: pointer;
    transition: all 0.3s ease;
}

.timeline-event.above {
    bottom: 50%;
    margin-bottom: var(--spacing-md);
}

.timeline-event.below {
    top: 50%;
    margin-top: var(--spacing-md);
}

.event-marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid var(--bg-primary);
    position: relative;
    margin: 0 auto var(--spacing-sm);
    transition: all 0.2s;
    z-index: 2;
}

.timeline-event:hover .event-marker {
    transform: scale(1.3);
    background: var(--secondary-color);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

.event-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-md);
    min-width: 200px;
    max-width: 250px;
    box-shadow: var(--shadow-light);
    transition: all 0.2s;
    position: relative;
}

.timeline-event:hover .event-card {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.event-title {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.event-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.event-description {
    font-size: 0.8rem;
    color: var(--text-primary);
    line-height: 1.4;
}

/* Conectores */
.event-connector {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    background: var(--border-color);
    z-index: 1;
}

.timeline-event.above .event-connector {
    top: 100%;
    height: var(--spacing-md);
}

.timeline-event.below .event-connector {
    bottom: 100%;
    height: var(--spacing-md);
}

/* Tipos de eventos */
.timeline-event.at-event .event-marker {
    background: var(--primary-color);
}

.timeline-event.nt-event .event-marker {
    background: var(--secondary-color);
}

.timeline-event.composition .event-marker {
    background: var(--accent-color);
}

.timeline-event.historical .event-marker {
    background: #10b981;
}

/* Legenda */
.timeline-legend {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: 6px;
    flex-wrap: wrap;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.legend-marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
}

.legend-marker.at-event {
    background: var(--primary-color);
}

.legend-marker.nt-event {
    background: var(--secondary-color);
}

.legend-marker.composition {
    background: var(--accent-color);
}

.legend-marker.historical {
    background: #10b981;
}

/* Tooltip para eventos */
.event-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
    z-index: 1000;
    pointer-events: none;
    margin-bottom: var(--spacing-xs);
}

.event-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--text-primary);
}

.timeline-event:hover .event-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* Navegação da timeline */
.timeline-navigation {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.timeline-nav-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-primary);
}

.timeline-nav-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.timeline-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Indicador de período atual */
.current-period {
    position: absolute;
    top: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.1);
    border: 1px solid rgba(30, 58, 138, 0.2);
    border-radius: 4px;
    pointer-events: none;
    transition: all 0.3s;
}

/* Estados de carregamento */
.timeline-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    color: var(--text-secondary);
}

/* Animações */
.timeline-event {
    animation: eventFadeIn 0.5s ease forwards;
    opacity: 0;
}

.timeline-event:nth-child(even) {
    animation-delay: 0.1s;
}

.timeline-event:nth-child(odd) {
    animation-delay: 0.2s;
}

@keyframes eventFadeIn {
    to {
        opacity: 1;
    }
}

/* Modo compacto */
.timeline.compact .event-card {
    min-width: 150px;
    max-width: 180px;
    padding: var(--spacing-sm);
}

.timeline.compact .event-title {
    font-size: 0.8rem;
}

.timeline.compact .event-description {
    font-size: 0.75rem;
}

/* Modo detalhado */
.timeline.detailed .event-card {
    min-width: 280px;
    max-width: 320px;
    padding: var(--spacing-lg);
}

.timeline.detailed .event-title {
    font-size: 1rem;
}

.timeline.detailed .event-description {
    font-size: 0.875rem;
}