:root{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--bg-card: #ffffff;--bg-hover: rgba(0, 0, 0, .04);--bg-overlay: rgba(0, 0, 0, .5);--text-primary: #1a1a1a;--text-secondary: #555;--text-muted: #999;--border-color: #ddd;--border-light: #eee;--accent-color: #0066cc;--accent-hover: #0052a3;--code-bg: #f4f4f4;--code-text: #d63384;--code-block-bg: #fafafa;--code-block-text: #383a42;--success-bg: #d4edda;--success-text: #155724;--success-border: #c3e6cb;--error-bg: #f8d7da;--error-text: #721c24;--error-border: #f5c6cb;--warning-bg: #fff3cd;--warning-text: #ff9800;--shadow-card: 0 2px 8px rgba(0, 0, 0, .1);--shadow-modal: 0 8px 32px rgba(0, 0, 0, .2);--btn-edit-bg: #5b8dd9;--btn-edit-hover: #4a7ac8;--btn-danger-bg: #c96a6a;--btn-danger-hover: #b85a5a;--blockquote-bg: #f9f9f9;--blockquote-border: #ddd;--table-header-bg: #f5f5f5;--table-row-hover: #f9f9f9;--accent-glow: rgba(0, 102, 204, .3);--focus-glow: rgba(77, 166, 255, .4);--error-glow: rgba(255, 107, 107, .4);--like-color: 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