:root{--bg:#ffffff;--fg:#111111;--link:#0000ee;--link-visited:#551a8b;--code-bg:#f4f4f4;--border:#cccccc;--accent:#e8e8e8}@media (prefers-color-scheme:dark){:root{--bg:#121212;--fg:#e0e0e0;--link:#5ca8ff;--link-visited:#b388ff;--code-bg:#1e1e1e;--border:#333333;--accent:#2a2a2a}}*{box-sizing:border-box}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:var(--fg);background-color:var(--bg);max-width:800px;margin:0 auto;padding:1rem 2rem;text-rendering:optimizeLegibility}header{border-bottom:2px solid var(--border);padding-bottom:1rem;margin-bottom:2rem;justify-content:space-between}.logo-container,header{display:flex;align-items:center}.logo-container{gap:10px;text-decoration:none;color:var(--fg)}.logo-container svg{width:32px;height:32px}.logo-text{font-weight:800;font-size:1.5rem;letter-spacing:-.05em}nav a{margin-left:1rem;color:var(--link);text-decoration:none}nav a:hover{text-decoration:underline}h1,h2,h3{line-height:1.2;margin-top:2rem;margin-bottom:1rem}h1{font-size:2.5rem;border-bottom:1px solid var(--border);padding-bottom:.5rem}h2{font-size:1.75rem;border-bottom:1px dashed var(--border);padding-bottom:.25rem}ol,p,ul{margin-bottom:1rem}li{margin-bottom:.5rem}code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;padding:.2em .4em;border-radius:3px;font-size:.9em}code,pre{background-color:var(--code-bg)}pre{padding:1rem;overflow-x:auto;border-radius:4px;border:1px solid var(--border)}pre code{background-color:transparent;padding:0}.demo-editor{display:flex;flex-direction:column;gap:1rem;margin:2rem 0;border:1px solid var(--border);padding:1rem;border-radius:4px;background-color:var(--accent)}@media (min-width:600px){.demo-editor{flex-direction:row}}.pane{flex:1 1;display:flex;flex-direction:column}.pane-header{font-weight:700;margin-bottom:.5rem;font-size:.9em;text-transform:uppercase;color:#666}@media (prefers-color-scheme:dark){.pane-header{color:#aaa}}.input-wrapper{position:relative;width:100%}.paste-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background-color:var(--fg);color:var(--bg);border:none;padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-weight:700;z-index:10;box-shadow:0 4px 6px rgba(0,0,0,.1)}.output-box,textarea{width:100%;height:250px;padding:.75rem;border:1px solid var(--border);border-radius:4px;font-family:inherit;font-size:1rem;background-color:var(--bg);color:var(--fg);resize:vertical}.output-box{overflow-y:auto;white-space:pre-wrap}button{background-color:var(--fg);color:var(--bg);border:none;padding:.5rem 1rem;cursor:pointer;font-family:inherit;font-size:1rem;border-radius:4px;font-weight:700}button:hover{opacity:.8}button:disabled{opacity:.5;cursor:not-allowed}.controls{display:flex;gap:1rem;align-items:center;margin-bottom:1rem}select{padding:.5rem;font-family:inherit;font-size:1rem;border:1px solid var(--border);border-radius:4px;background-color:var(--bg);color:var(--fg)}.diff-highlight{background-color:#dbeafe;color:#1e3a8a;padding:.1em .2em;border-radius:2px}@media (prefers-color-scheme:dark){.diff-highlight{background-color:#1e3a8a;color:#dbeafe}}footer{margin-top:4rem;border-top:1px solid var(--border);padding-top:1rem;font-size:.9em;display:flex;justify-content:space-between;color:#666}@media (prefers-color-scheme:dark){footer{color:#aaa}}footer a{color:var(--link);text-decoration:none;margin-left:1rem}.sentence{cursor:pointer;border-radius:2px;transition:background-color .2s}.sentence:hover{background-color:#fef08a;color:#111}@media (prefers-color-scheme:dark){.sentence:hover{background-color:#854d0e;color:#fff}}.sentence.loading{opacity:.5;cursor:wait}