body {
    font-family: 'Montserrat', sans-serif;
}

#mindmap {
    width: 100%;
    height: 800px;
    overflow: auto;
    position: relative;
}

svg {
    display: block;
    width: 100%;
    height: 100%;
}

.node circle {
    fill: #fff;
    stroke: #4682b4;
    stroke-width: 2px;
    cursor: pointer;
}

.node text {
    font-size: 14px;
    font-weight: 400;
}

.link {
    fill: none;
    stroke: #ccc;
    stroke-width: 1.5px; 
}

.node--internal text {
    font-weight: bold;
}

.field.is-grouped {
    justify-content: center;
}

#import-file {
    max-width: 300px;
}

#generate-btn {
    width: 100%;
    margin-bottom: 1rem;
}

@keyframes pulse {
    0% { background-color: hsl(171, 100%, 41%); }
    50% { background-color: hsl(171, 100%, 60%); }
    100% { background-color: hsl(171, 100%, 41%); }
}

.is-loading {
    animation: pulse 1.5s infinite;
    pointer-events: none;
    opacity: 0.8;
}