:root{color-scheme:light;--bg:#ece9e2;--text:#111111;--muted:#6b675f;--line:#cecac2;--accent:#ff4a1c;--accent-ink:#bc3616;--surface:#f5f3ee;--soft:#e5e1d9;--on-accent:#fff;--font:Onest,Arial,Helvetica,sans-serif}
:root[data-theme="dark"]{color-scheme:dark;--bg:#171715;--text:#f1eee7;--muted:#b3aea5;--line:#414039;--accent:#ff623c;--accent-ink:#ff815d;--surface:#22221e;--soft:#2d2c27;--on-accent:#171715}
:root{--error:#ae2c15}:root[data-theme="dark"]{--error:#ffac8d}
.header-actions{display:flex;align-items:center;gap:8px;flex:none}
.language-switch,.theme-toggle{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:10px;border:1px solid var(--line);border-radius:50%;font:500 .875rem/1 var(--font);color:var(--text);background:transparent;cursor:pointer}
.language-switch:hover,.theme-toggle:hover{background:var(--surface)}
.theme-toggle[hidden]{display:none}.theme-toggle svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.theme-label{display:none}.theme-moon{display:block}.theme-sun{display:none}:root[data-theme="dark"] .theme-moon{display:none}:root[data-theme="dark"] .theme-sun{display:block}