: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%}*{box-sizing:border-box}body{color:#f9fafb;background:#111827;margin:0;font-family:Arial,sans-serif}#root{min-height:100vh}.app{min-height:100vh;padding:24px}.chat-container{background:#1f2937;border:1px solid #374151;border-radius:16px;max-width:960px;margin:0 auto;overflow:hidden}.chat-header{border-bottom:1px solid #374151;justify-content:space-between;align-items:center;padding:24px;display:flex}.chat-header h1{margin:0 0 8px;font-size:24px}.chat-header p{color:#9ca3af;margin:0}.message-list{flex-direction:column;gap:16px;height:60vh;padding:20px;display:flex;overflow-y:auto}.message{white-space:pre-wrap;word-break:break-word;border-radius:14px;max-width:80%;padding:14px 16px;line-height:1.6}.message.user{background:#2563eb;align-self:flex-end}.message.assistant{background:#374151;align-self:flex-start}.message-role{opacity:.7;margin-bottom:6px;font-size:12px}.message-content{font-size:15px}.input-area{background:#111827;border-top:1px solid #374151;padding:20px}textarea{resize:none;color:#f9fafb;background:#1f2937;border:1px solid #4b5563;border-radius:12px;outline:none;width:100%;padding:14px;font-size:15px}.button-row{gap:12px;margin-top:12px;display:flex}button{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:10px;padding:12px 16px;font-size:14px}button:disabled{opacity:.5;cursor:not-allowed}.secondary-button{background:#4b5563}.auth-container{background:#1f2937;border:1px solid #374151;border-radius:16px;max-width:420px;margin:120px auto;padding:32px}.auth-input{color:#f9fafb;background:#111827;border:1px solid #4b5563;border-radius:12px;outline:none;width:100%;margin:16px 0 12px;padding:14px;font-size:15px}.auth-error{color:#f87171;margin-bottom:12px}