::selection {
    background-color: #a78bfa;
    color: white;
}

html {
    background: linear-gradient(135deg, #dbe4f7, #fce9d6, #fef6d6);
}

nav {
    background: linear-gradient(135deg, #e0d4f7, #d8b4f5, #f0d6ff);
}

#github_logo {
    filter: brightness(0);
}

.underline-text {
    position: relative;
    font-weight: 600;
    color: #333;
    text-decoration: none;
    padding: 2px 0px;
    cursor: pointer;
}

.underline-text::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 75%;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    transition: width 0.4s ease;
}

.underline-text:hover::after {
    width: 100%;
}