/* All themes in one file (toggle via html[data-theme]) */
html[data-theme="light"]{color-scheme:light;--bg:#ffffff;--text:#0f172a;--muted:#64748b;--card:#f8fafc;--link:#0a66c2;--border:#e2e8f0}
html[data-theme="dark"]{color-scheme:dark;--bg:#0b1020;--text:#e5e7eb;--muted:#9aa0b2;--card:#0f172a;--link:#7cc2ff;--border:#1f2937}
html[data-theme="tokyo"]{color-scheme:dark;--bg:#0a1024;--text:#e6edf7;--muted:#8aa0c7;--card:#0f1b3a;--link:#70a5ff;--border:#1a2a4a}
html[data-theme="mint"]{color-scheme:light;--bg:#d8fff2;--text:#0f2f27;--muted:#3f6f63;--card:#ffffff;--link:#00a387;--border:#9debd8}