: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%}.navbar{border-bottom:1px solid var(--border);background:var(--bg);z-index:100;justify-content:space-between;align-items:center;padding:12px 24px;display:flex;position:sticky;top:0}.nav-brand{color:var(--text-h);font-size:18px;font-weight:600;text-decoration:none}.nav-links{align-items:center;gap:16px;font-size:14px;display:flex}.nav-links a{color:var(--text);text-decoration:none}.nav-links a:hover{color:var(--accent)}.nav-user{color:var(--text)}.nav-logout{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:6px;padding:6px 12px;font-size:13px}.nav-logout:hover{border-color:var(--accent-border);color:var(--accent)}.auth-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{border:1px solid var(--border);background:var(--bg);width:100%;max-width:400px;box-shadow:var(--shadow);border-radius:12px;padding:32px}.auth-card h1{color:var(--text-h);margin:0 0 4px;font-size:24px}.auth-card h2{color:var(--text);margin:0 0 20px;font-size:18px;font-weight:400}.auth-card form{flex-direction:column;gap:14px;display:flex}.auth-card label{color:var(--text);flex-direction:column;gap:4px;font-size:14px;display:flex}.auth-card input{border:1px solid var(--border);background:var(--bg);color:var(--text-h);border-radius:8px;outline:none;padding:10px 12px;font-size:16px;transition:border-color .15s}.auth-card input:focus{border-color:var(--accent-border)}.auth-card button[type=submit]{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:6px;padding:10px;font-size:16px;font-weight:500;transition:opacity .15s}.auth-card button[type=submit]:hover{opacity:.9}.auth-card button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.auth-error{color:#dc2626;background:#ef44441a;border-radius:8px;padding:10px 12px;font-size:14px}.auth-success{color:#16a34a;background:#22c55e1a;border-radius:8px;padding:10px 12px;font-size:14px}.auth-subtitle{color:var(--text);margin:0 0 16px;font-size:14px}.auth-links{flex-direction:column;gap:8px;margin-top:16px;font-size:14px;display:flex}.auth-links a{color:var(--accent);text-decoration:none}.auth-links a:hover{text-decoration:underline}.link-button{color:var(--accent);cursor:pointer;text-align:left;background:0 0;border:none;padding:0;font-size:14px}.link-button:hover{text-decoration:underline}.link-button:disabled{opacity:.5;cursor:not-allowed}.auth-loading{justify-content:center;align-items:center;min-height:100vh;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:32px;height:32px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.history-page{max-width:800px;margin:0 auto;padding:24px 20px}.history-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.history-header h2{color:var(--text-h);margin:0}.back-link{color:var(--accent);font-size:14px;text-decoration:none}.back-link:hover{text-decoration:underline}.empty-state{text-align:center;color:var(--text);padding:40px 0}.history-list{flex-direction:column;gap:16px;display:flex}.history-item{border:1px solid var(--border);border-radius:10px;padding:16px}.history-meta{color:var(--text);gap:12px;margin-bottom:10px;font-size:12px;display:flex}.history-model{background:var(--accent-bg);color:var(--accent);border-radius:4px;padding:2px 8px}.history-prompt,.history-response{word-break:break-word;margin-bottom:6px;font-size:14px;line-height:1.5}.history-prompt strong,.history-response strong{color:var(--text-h)}