html { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; --background:#151c17; --foreground:#edf2e9; --primary:#a3ce89; --primary-foreground:#152510; --secondary:#26342a; --muted:#202c23; --muted-foreground:#b3c0ad; --border:#37463a; --input:#56664f; --ring:#a3ce89; --destructive:#ff9b9e; --surface:#202b23; }
.theme-toggle { display:inline-grid; place-items:center; width:40px; height:40px; flex-shrink:0; border:1px solid var(--input,#ccd3c8); border-radius:9px; background:transparent; color:var(--foreground,#202820); cursor:pointer; font-size:23px; line-height:1; padding:0; }
.theme-sun { display:none; }
[data-theme="dark"] .theme-sun { display:inline; }
[data-theme="dark"] .theme-moon { display:none; }