.header-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:44px;height:44px;padding:0;border:1px solid #dce2ec;border-radius:13px;background:#fff;color:#334159;cursor:pointer;transition:background .18s,border-color .18s,color .18s}
.theme-toggle:hover{background:#edf3ff;border-color:#91b8ed}.theme-toggle:focus-visible{outline:3px solid #357fec;outline-offset:3px}
html[data-theme=dark] .theme-toggle{background:#1b2739;border-color:#3c4d66;color:#c5df99}html[data-theme=dark] .theme-toggle:hover{background:#28384d;border-color:#9abc71}
.page--second .header{gap:16px}.page--second .header>.btn-back{margin-left:auto}
@media(max-width:1000px){.site-header .main-nav{gap:10px 18px}}
@media(max-width:600px){.header-tools{order:1;margin-left:auto;gap:6px}.header-tools .languages{margin:0;order:0}.theme-toggle{width:40px;height:40px;border-radius:11px}.site-header .brand img{width:76px}.site-header{column-gap:8px}.languages a{min-width:33px}.page--second .header{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.theme-toggle{transition:none}}

.theme-toggle svg{display:block;flex:none;overflow:visible;shape-rendering:geometricPrecision}