/* Main styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Heatmap styling */
.heatmap-container {
    width: 100%;
    height: 400px;
    position: relative;
    border: 1px solid #e5e7eb;
    border-radius: 0.375rem;
    overflow: hidden;
}

.heatmap-canvas {
    width: 100%;
    height: 100%;
}

/* Timeline styling */
.timeline-container {
    width: 100%;
    height: 60px;
    background-color: #f3f4f6;
    border-radius: 0.375rem;
    position: relative;
}

.timeline-progress {
    height: 100%;
    background-color: #3b82f6;
    border-radius: 0.375rem;
    width: 0%;
}

.timeline-marker {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: #ef4444;
}

.timeline-playhead {
    position: absolute;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: #000;
}

/* Annotation styling */
.annotation-item {
    padding: 1rem;
    border-left: 4px solid #3b82f6;
    margin-bottom: 0.5rem;
    background-color: #f9fafb;
    border-radius: 0 0.375rem 0.375rem 0;
}

.annotation-item:hover {
    background-color: #f3f4f6;
}
/* Responsive adjustments */
@media (max-width: 768px) {
    .heatmap-container {
        height: 300px;
    }
    
    /* Timeline controls */
    .timeline-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .timeline-controls button {
        width: 100%;
    }
}