.vanitasss-gradient {
    --custom-gradient-color-1: #a9c9ff;
    --custom-gradient-color-2: #d8b4fe;
    --custom-gradient-color-3: #ffbbec;
    --custom-gradient-color-4: #ffc3a0;
    
    color: transparent;
    background: linear-gradient(
        90deg,
        var(--custom-gradient-color-1),
        var(--custom-gradient-color-2),
        var(--custom-gradient-color-3),
        var(--custom-gradient-color-4),
        var(--custom-gradient-color-1)
    );
    background-size: 300% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-scroll 5s linear infinite;
    
    text-shadow: 
        0 0 8px rgba(169, 201, 255, 0.5),
        0 0 16px rgba(216, 180, 254, 0.4),
        0 0 24px rgba(255, 187, 236, 0.3);
}

@keyframes gradient-scroll {
    0% { background-position: 0% center; }
    100% { background-position: 100% center; }
}

h3 {
    color: inherit !important;
    border: none !important;
    font-size: inherit !important;
    font-weight: normal !important;
    margin: 0 !important;
    padding: 0 !important;
    display: inline !important;
}

.content h3::before {
    content: "";
    display: none;
}

h2[data-collapsible="true"] {
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-right: 30px;
    transition: color 0.2s ease;
}

h2[data-collapsible="true"]:hover {
    color: var(--md-primary-fg-color, #1976d2);
}

h2[data-collapsible="true"]::after {
    content: '▼';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    transition: transform 0.3s ease;
    color: #666;
}

h2[data-collapsible="true"][data-collapsed="true"]::after {
    transform: translateY(-50%) rotate(-90deg);
}

.auto-collapsible-content {
    overflow: hidden;
    transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
    max-height: none;
    opacity: 1;
}

.auto-collapsible-content[data-collapsed="true"] {
    max-height: 0;
    opacity: 0;
    margin-bottom: 0;
}