:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}body{color:#1a1a1a;background:#f5f7fa;margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.app-header{color:#fff;text-align:center;background:linear-gradient(135deg,#21468b,#ae2d2c);padding:1rem 2rem}.app-header a{color:gold;margin:0 .5rem;text-decoration:none}main{max-width:800px;margin:auto;padding:2rem}button{color:#fff;cursor:pointer;background:#21468b;border:none;border-radius:5px;margin-left:.5rem;padding:.5rem 1rem}button:disabled{cursor:not-allowed;background:#999}.topic-input{gap:.5rem;margin:1rem 0;display:flex}.topic-input input{border:1px solid #ccc;border-radius:5px;flex:1;padding:.5rem}.chat-box{background:#fff;border:1px solid #ccc;border-radius:5px;height:300px;margin-bottom:1rem;padding:1rem;overflow-y:auto}.chat-message{margin-bottom:.5rem}.chat-message.user strong{color:#21468b}.chat-message.assistant strong{color:#ae2d2c}.chat-input{gap:.5rem;display:flex}.chat-input input{border:1px solid #ccc;border-radius:5px;flex:1;padding:.5rem}details{cursor:pointer;margin:.5rem 0}