:root{--bg-primary: #fdfdf8;--bg-secondary: #f7f7f2;--bg-tertiary: #f1f1ec;--bg-paper: #f9f9f4;--text-primary: #1a1a1a;--text-secondary: #4a5568;--text-tertiary: #4a5568;--text-muted: #6b7280;--text-paper: #525252;--border-primary: #e5e5e0;--border-secondary: #d1d5d0;--border-paper: #d4d4cf;--accent-primary: #3b82f6;--accent-hover: #2563eb;--accent-light: #eff6ff;--accent-border: #bfdbfe;--accent-text: #1e40af;--error-bg: #fef2f2;--error-border: #fecaca;--error-text: #991b1b;--info-bg: #eff6ff;--info-border: #bfdbfe;--info-text: #1e40af}body.dark-mode{--bg-primary: #1c1c1c;--bg-secondary: #252525;--bg-tertiary: #2a2a2a;--bg-paper: #232323;--text-primary: #e5e5e5;--text-secondary: #b8b8b8;--text-tertiary: #b8b8b8;--text-muted: #a8a8a8;--text-paper: #b8b8b8;--border-primary: #3a3a3a;--border-secondary: #454545;--border-paper: #383838;--accent-primary: #5b9cf6;--accent-hover: #4a8ee5;--accent-light: #1e3a5f;--accent-border: #2d4a6f;--accent-text: #7db3ff;--error-bg: #3d1f1f;--error-border: #5d2f2f;--error-text: #ff8a8a;--info-bg: #1e2d3d;--info-border: #2d3d4d;--info-text: #7db3ff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Georgia,Times New Roman,Times,serif;color:var(--text-primary);background:var(--bg-primary);line-height:1.6;font-weight:400;transition:background-color .3s,color .3s;min-height:100vh;display:flex;flex-direction:column}#app{display:flex;flex-direction:column;min-height:100vh}main{flex:1}.container{max-width:900px;margin:0 auto;padding:0 1.5rem}.site-header{background:var(--bg-primary);border-bottom:1px solid var(--border-primary);padding:1rem 0}.site-title{font-size:1.5rem;font-weight:600;color:var(--text-primary);text-decoration:none}.site-title:hover{color:var(--text-secondary)}.site-nav{display:flex;gap:1.5rem;align-items:center;flex-wrap:wrap}.site-nav a{color:var(--text-secondary);text-decoration:none;font-size:.95rem}.site-nav a:hover{color:var(--text-primary)}.dark-mode-toggle{background:none;border:1px 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