.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    transition: font-size 0.25s ease-out;
}

body.category-open .header-controls {
    font-size: clamp(1rem, 2vw, 2rem);
}

#lang-toggle {
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
    font-size: inherit;
    width: 2.2em;
    height: 1em;
    display: flex;
}

.lang-track {
    width: 100%;
    height: 100%;
    border-radius: 999px;
    background-color: var(--text-color);
    position: relative;
    transition: var(--page-color-transition);
}

.lang-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: calc(50% - 2px);
    height: calc(100% - 4px);
    border-radius: 999px;
    background-color: var(--bg-color);
    transition: transform 0.25s ease-in-out, var(--page-color-transition);
    z-index: 1;
}

html[lang="en"] .lang-thumb {
    transform: translateX(100%);
}

html[lang="de"] .lang-thumb {
    transform: translateX(0);
}

.lang-text {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Arial, sans-serif;
    font-size: 0.35em;
    font-weight: 800;
    z-index: 2;
    transition: color 0.15s ease, var(--page-color-transition);
}

.lang-text.de {
    left: 0;
}

.lang-text.en {
    right: 0;
}

html[lang="en"] .lang-text.en {
    color: var(--text-color);
}

html[lang="en"] .lang-text.de {
    color: var(--bg-color);
}

html[lang="de"] .lang-text.de {
    color: var(--text-color);
}

html[lang="de"] .lang-text.en {
    color: var(--bg-color);
}

#darkmode {
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    width: 1em;
    height: 1em;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: inherit;
}



.darkmode_icon {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 10px;
    background: var(--text-color);
    transform-origin: center center;
    transition: transform 0.25s ease, var(--page-color-transition);
}

.darkmode_icon::after {
    position: absolute;
    content: '';
    width: 16px;
    height: 16px;
    left: 8px;
    bottom: 4px;
    border-radius: 10px;
    background: var(--bg-color);
    transform-origin: center center;
    transition: transform 0.25s ease, left 0.25s ease, bottom 0.25s ease, var(--page-color-transition);
}

.darkmode_icon .ray {
    position: absolute;
    left: 7px;
    top: 7px;
    width: 6px;
    height: 6px;
    border-radius: 6px;
    background: var(--text-color);
    transform-origin: center;
    transition: transform 0.25s ease, var(--page-color-transition);
}

.ray:nth-child(1) {
    transform: rotate(45deg) translateX(0);
}

.ray:nth-child(2) {
    transform: rotate(90deg) translateX(0);
}

.ray:nth-child(3) {
    transform: rotate(135deg) translateX(0);
}

.ray:nth-child(4) {
    transform: rotate(180deg) translateX(0);
}

.ray:nth-child(5) {
    transform: rotate(225deg) translateX(0);
}

.ray:nth-child(6) {
    transform: rotate(270deg) translateX(0);
}

.ray:nth-child(7) {
    transform: rotate(315deg) translateX(0);
}

.ray:nth-child(8) {
    transform: rotate(360deg) translateX(0);
}

[data-theme="dark"] .darkmode_icon {
    transform: scale(0.6);
}

[data-theme="dark"] .darkmode_icon::after {
    left: 15px;
    bottom: 8px;
    transform: scale(0);
}

[data-theme="dark"] .ray:nth-child(1) {
    transform: rotate(45deg) translateX(-16px);
}

[data-theme="dark"] .ray:nth-child(2) {
    transform: rotate(90deg) translateX(-16px);
}

[data-theme="dark"] .ray:nth-child(3) {
    transform: rotate(135deg) translateX(-16px);
}

[data-theme="dark"] .ray:nth-child(4) {
    transform: rotate(180deg) translateX(-16px);
}

[data-theme="dark"] .ray:nth-child(5) {
    transform: rotate(225deg) translateX(-16px);
}

[data-theme="dark"] .ray:nth-child(6) {
    transform: rotate(270deg) translateX(-16px);
}

[data-theme="dark"] .ray:nth-child(7) {
    transform: rotate(315deg) translateX(-16px);
}

[data-theme="dark"] .ray:nth-child(8) {
    transform: rotate(360deg) translateX(-16px);
}