:root{--bg-color: #F5EFFF;--text-color: #333;--text-color-light: #555;--accent-color: #A594F9;--accent-color-readable: #6a5acd;--border-color: #E5D9F2;--border-color-strong: #CDC1FF;--card-bg-color: #FFFFFF;--code-bg-color: #E5D9F2;--code-text-color: #3d3d3d;--link-hover-bg: #E5D9F2}[data-theme=dark]{--bg-color: #1a1a2e;--text-color: #e0e0e0;--text-color-light: #b0b0b0;--accent-color: #A594F9;--accent-color-readable: #CDC1FF;--border-color: #2a2a4e;--border-color-strong: #4a4a7e;--card-bg-color: #161625;--code-bg-color: #2a2a4e;--code-text-color: #d0d0d0;--link-hover-bg: #2a2a4e}body{background-color:var(--bg-color);color:var(--text-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;padding:0;line-height:1.7;transition:background-color .3s ease,color .3s ease}.header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;border-bottom:1px solid var(--border-color);background-color:var(--bg-color)}.back-button{color:var(--accent-color);text-decoration:none;font-weight:700;display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border:1px solid var(--border-color-strong);border-radius:8px;transition:all .2s ease-in-out}.back-button:hover{background-color:var(--link-hover-bg);border-color:var(--accent-color)}.theme-toggle-button{background:none;border:1px solid var(--border-color-strong);color:var(--text-color);cursor:pointer;padding:.5rem;border-radius:8px;display:flex;align-items:center;justify-content:center}.theme-toggle-button:hover{background-color:var(--link-hover-bg)}.moon-icon{display:none}.sun-icon,[data-theme=dark] .moon-icon{display:block}[data-theme=dark] .sun-icon{display:none}.blog-container{display:flex;flex-direction:row;gap:2rem;max-width:1100px;margin:2rem auto;padding:0 2rem}.sidebar{width:250px;flex-shrink:0}.sidebar h2{font-size:1.25rem;color:var(--text-color);border-bottom:2px solid var(--border-color-strong);padding-bottom:.5rem;margin-top:0}#archive-links .year-section h3{margin-top:1.5rem;margin-bottom:.5rem;font-size:1rem;color:var(--text-color-light)}#archive-links a{display:block;text-decoration:none;color:var(--accent-color-readable);padding:.3rem .5rem;border-radius:4px;transition:background-color .2s ease}#archive-links a:hover,#archive-links a.active{background-color:var(--link-hover-bg);color:var(--accent-color)}.blog-content{flex-grow:1;min-width:0}.blog-content h1,.blog-content h2,.blog-content h3{color:var(--text-color);line-height:1.3;margin-top:2rem}.blog-content p{margin-bottom:1rem}.blog-content a{color:var(--accent-color);text-decoration:underline}.blog-content img{max-width:100%;height:auto;border-radius:8px;margin:1rem 0;border:1px solid var(--border-color);background-color:#fff}.blog-content pre{background-color:var(--code-bg-color);padding:1rem;border-radius:8px;overflow-x:auto;border:1px solid var(--border-color-strong)}.blog-content code{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace;font-size:.9em;color:var(--code-text-color)}@media (max-width: 768px){.blog-container{flex-direction:column}.sidebar{width:100%}}[data-footnote-ref]{vertical-align:super;font-size:.8em;line-height:1;text-decoration:none;color:var(--link-color);padding:0 .1em}[data-footnote-ref]:hover{text-decoration:underline}.footnotes-section{margin-top:4rem;padding-top:1rem;border-top:1px solid var(--border-color)}.footnotes-list{padding-left:20px;font-size:.9em;color:var(--secondary-text-color)}.footnotes-list li{margin-bottom:.5rem}[data-footnote-backref]{text-decoration:none;color:var(--link-color);margin-left:.5rem}[data-footnote-backref]:hover{text-decoration:underline}