:host{--bg-color: #fff;--text-color: #222;--border-color: #ddd;--name-color: #333;--time-color: #888;--placeholder-color: #e0e0e0;--error-bg: #f8d7da;--error-border: #f5c2c7;--error-text: #842029;--link-color: #1a0dab;--link-hover-color: #551a8b;--external-link-color: #1a0dabb7;--external-link-hover-color: #541a8bb4}.theme-dark{--bg-color: #1e1e1e;--text-color: #ddd;--border-color: #444;--name-color: #eee;--time-color: #aaa;--placeholder-color: #333;--error-bg: #4b1c1f;--error-border: #8a1f2e;--error-text: #ffb3b3;--link-color: #8ab4f8;--link-hover-color: #a3d0ff;--external-link-color: #8ab4f8c4;--external-link-hover-color: #a3cfffd2}:host(.theme-light),:host(.light){--bg-color: #fff;--text-color: #222;--border-color: #ddd;--name-color: #333;--time-color: #888;--placeholder-color: #e0e0e0;--error-bg: #f8d7da;--error-border: #f5c2c7;--error-text: #842029;--link-color: #1a0dab;--link-hover-color: #551a8b;--external-link-color: #1a0dabb7;--external-link-hover-color: #541a8bb4}