/* Legend */
.legend-overlay {
    position: absolute;
    top: 24px;
    right: 24px;
    background: white;
    padding: 16px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    z-index: 5;
    border: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    font-size: 0.875rem;
    color: var(--text-primary);
    padding: 6px 8px;
    border-radius: var(--radius-md);
    transition: background-color 0.2s;
    pointer-events: auto;
}

.legend-item:last-child {
    margin-bottom: 0;
}

.legend-item[style*="cursor: pointer"]:hover {
    background-color: var(--bg-color);
}

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.1);
    box-shadow: var(--shadow-sm);
}

/* Zoom Controls */
.zoom-controls {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background: white;
    padding: 8px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 5;
    border: 1px solid var(--border-color);
}

.zoom-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-color);
    color: var(--text-primary);
    font-size: 20px;
    font-weight: bold;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zoom-btn:hover {
    background: var(--primary-color);
    color: white;
}

.zoom-btn:active {
    transform: scale(0.95);
}

.zoom-level {
    font-size: 0.75rem;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 4px;
}

/* Graph Styles */
.node rect,
.node circle,
.node polygon,
.node ellipse {
    stroke: var(--text-primary);
    stroke-width: 2px;
    fill: white;
    transition: all 0.3s ease;
}

.node text {
    font-family: 'Inter', sans-serif;
    fill: var(--text-primary);
}

.edgePath path {
    stroke: var(--text-primary);
    stroke-width: 1.5px;
    fill: none;
}

.dead-marker {
    stroke: var(--text-primary);
    stroke-width: 2px;
}