: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{background-color:#f5f5f5;margin:0;font-family:Arial,sans-serif}#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%}.app-container{text-align:center;font-family:Arial,sans-serif}.app-header{color:#fff;background:#0f172a;padding:20px}.logo{width:120px}.card{margin:40px auto;padding:20px}.card button{cursor:pointer;margin:10px auto;padding:12px 20px;font-size:16px;display:block}.chat-widget{z-index:1000;background:#fff;flex-direction:column;width:380px;height:100vh;transition:transform .3s ease-in-out;display:flex;position:fixed;top:0;right:0;transform:translate(100%);box-shadow:-3px 0 12px #00000040}.chat-widget.open{transform:translate(0)}.chat-header{color:#fff;background:#0f172a;justify-content:space-between;align-items:center;padding:14px;font-weight:600;display:flex}.chat-header button{color:#fff;cursor:pointer;background:0 0;border:none;font-size:16px}.chat-body{background:#f8fafc;flex:1;padding:12px;overflow-y:auto}.msg{border-radius:10px;max-width:80%;margin-bottom:10px;padding:10px 12px;font-size:14px;line-height:1.4}.msg.user{color:#fff;background:#2563eb;margin-left:auto}.msg.bot{color:#111827;background:#e2e8f0}.chat-input{background:#fff;border-top:1px solid #ddd;display:flex}.chat-input input{border:none;outline:none;flex:1;padding:12px;font-size:14px}.chat-input button{color:#fff;cursor:pointer;background:#0f172a;border:none;padding:12px 16px}