main .wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 20px;
    margin: 0;
    max-width: none;
}

.graph-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 40px auto;
    min-height: 700px;
    height: auto;
}

svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*z-index: 1;*/
}

.arrow {
    stroke: rgba(255, 255, 255, 0.3);
    stroke-width: 3;
    fill: none;
    marker-end: url(#arrowhead);
}

.node {
    position: absolute;
    background: #e06665;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.node:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    z-index: 3;
}

.node-number {
    font-size: 24px;
    font-weight: bold;
    color: #2c3a79;
    margin-bottom: 5px;
}

.node-title {
    font-size: 14px;
    color: #d8d8d8;
    text-align: center;
    padding: 0 10px;
    font-weight: 600;
}

.tooltip {
    position: absolute;
    background: #fff;
    border-radius: 12px;
    padding: 15px 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 1000;
    min-width: 200px;
    max-width: 300px;
}

.tooltip.active {
    opacity: 1;
    pointer-events: auto;
}

.tooltip-title {
    font-size: 16px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 10px;
    border-bottom: 2px solid #667eea;
    padding-bottom: 8px;
}

.tooltip-list {
    list-style: none;
}

.tooltip-list li {
    padding: 6px 0;
    color: #333;
    font-size: 14px;
    border-bottom: 1px solid #eee;
}

.tooltip-list li:last-child {
    border-bottom: none;
}

.tooltip-list li a {
    color: #333;
    text-decoration: none;
    display: inline;
    transition: color 0.2s ease;
}

.tooltip-list li a:hover {
    color: #667eea;
}

.tooltip-list li a:before {
    content: "→ ";
    color: #667eea;
    font-weight: bold;
}