/*
  System theme (Teil 5 §61.2 — "Übernimmt Betriebssystem"): follows the
  OS light/dark preference. Reuses Modern Light for light mode and Dark
  Library for dark mode rather than inventing a 5th palette.
*/

@media (prefers-color-scheme: light) {
    [data-theme="system"] {
        --color-primary: #3b6fe0;
        --color-primary-hover: #2f5bc0;
        --color-primary-active: #274ba3;
        --color-secondary: #6b7280;
        --color-secondary-hover: #565c69;
        --color-gold-accent: #c9a227;
        --color-accent-text: #8c6a24;
        --color-info: #3b82c4;
        --color-success: #2f8f4e;
        --color-warning: #c48a1f;
        --color-error: #c0392b;
        --color-bg-paper: #f4f5f7;
        --color-bg-light: #ffffff;
        --color-bg-dark: #1f2328;
        --color-bg-card: #ffffff;
        --color-bg-reader: #ffffff;
        --color-text-primary: #1f2328;
        --color-text-secondary: #4b5563;
        --color-text-muted: #8a93a3;
        --color-text-disabled: #c3c9d1;
        --color-text-on-dark: #f4f5f7;
        --color-border: #e2e5ea;
    }
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --color-primary: #d9b04c;
        --color-primary-hover: #c49a35;
        --color-primary-active: #ad8526;
        --color-secondary: #b24b54;
        --color-secondary-hover: #9c3e46;
        --color-gold-accent: #d9b04c;
        --color-accent-text: #d9b04c;
        --color-info: #6fa8c9;
        --color-success: #6fae6f;
        --color-warning: #d9a441;
        --color-error: #d9695c;
        --color-bg-paper: #1c1510;
        --color-bg-light: #251c14;
        --color-bg-dark: #120d09;
        --color-bg-card: #241c15;
        --color-bg-reader: #201810;
        --color-text-primary: #efe4d0;
        --color-text-secondary: #c7b89c;
        --color-text-muted: #8f8371;
        --color-text-disabled: #5f574a;
        --color-text-on-dark: #efe4d0;
        --color-border: #3c2f22;
    }
}