/* Dark mode core styles */
.dark-mode {
    background-color: #121212;
    color: #e6e6e6;
}
.dark-mode nav {
    background-color: #1f1f1f;
}
.dark-mode a {
    color: #9ecbff;
}

/* Make social icons visible on dark backgrounds */
.social-icons img {
    transition: filter 200ms ease, opacity 200ms ease;
}

/* Default: ensure logos look natural on light backgrounds */
.social-icons img[data-logo="github"],
.social-icons img[data-logo="linkedin"],
.social-icons img[data-logo="x"] {
    filter: none;
}

/* Dark mode variants: boost visibility but avoid images already using white variants */
.dark-mode .social-icons img:not([data-using-white])[data-logo="github"] {
    filter: invert(1) brightness(1.2) saturate(0.8);
}
.dark-mode .social-icons img:not([data-using-white])[data-logo="linkedin"] {
    filter: brightness(1.1) saturate(1.1);
}
.dark-mode .social-icons img:not([data-using-white])[data-logo="x"] {
    filter: invert(1) brightness(1.1) saturate(1.1);
}

/* Toggle button base style */
button#dark-mode-toggle {
    position: fixed;
    top: 10px;
    right: 10px;
    z-index: 1000;
    background: #333;
    color: #fff;
    border: none;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
}
.dark-mode button#dark-mode-toggle {
    background: #555555;
    color: #fff;
}