: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)}}#root{min-height:100svh}body{margin:0}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%}.sidebar{background:var(--bg);border-right:1px solid var(--border);z-index:100;flex-direction:column;gap:8px;width:240px;height:100vh;padding:16px 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var(--accent) 0%, #ff5678 100%);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;font-weight:700;display:flex}.user-info{flex-direction:column;flex:1;gap:0;min-width:0;display:flex}.user-name{color:var(--text-h);white-space:nowrap;text-overflow:ellipsis;margin-bottom:0;font-size:14px;font-weight:600;line-height:1.2;overflow:hidden}.user-email{color:var(--text);white-space:nowrap;text-overflow:ellipsis;margin-top:0;font-size:12px;line-height:1.2;overflow:hidden}.user-menu{background:var(--bg);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:2px;margin-bottom:8px;padding:6px;animation:.2s slideUp;display:flex;position:absolute;bottom:100%;left:12px;right:12px;box-shadow:0 4px 24px #00000026}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.user-menu-item{color:var(--text);cursor:pointer;text-align:left;background:0 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var(--border);background:var(--bg);border-radius:16px;align-items:center;gap:12px;padding:14px 16px;transition:border-color .2s,box-shadow .2s;display:flex}.chat-input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}.chat-input{color:var(--text-h);font-size:15px;font-family:var(--sans);background:0 0;border:none;outline:none;flex:1}.chat-input::placeholder{color:var(--text)}.chat-btn{cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;transition:background .15s;display:flex}.chat-btn:hover{background:var(--accent-bg)}.chat-btn:disabled{opacity:.4;cursor:not-allowed}@media (width<=768px){.chat-container{margin-left:0}.chat-main{padding:20px 16px}.chat-title{margin-bottom:24px;font-size:24px}}.save-knowledge-container{flex-direction:column;min-height:100vh;margin-left:240px;display:flex}.save-knowledge-header{border-bottom:1px solid 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var(--border);border-radius:12px;justify-content:space-between;align-items:center;gap:16px;margin-bottom:12px;padding:16px;display:flex}.settings-item-info{flex:1;min-width:0}.settings-item-label{color:var(--text-h);margin-bottom:4px;font-size:15px;font-weight:600}.settings-item-description{color:var(--text);font-size:13px}.settings-select{border:1px solid var(--border);background:var(--bg);color:var(--text-h);cursor:pointer;border-radius:8px;min-width:120px;padding:8px 12px;font-size:14px}.settings-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}.settings-checkbox{cursor:pointer;width:20px;height:20px;accent-color:var(--accent)}.profile-container{background:var(--bg);flex-direction:column;height:100vh;margin-left:240px;display:flex;overflow-x:hidden}.profile-header{border-bottom:1px solid var(--border);justify-content:flex-end;align-items:center;height:64px;padding:8px 32px;display:flex}.profile-content{box-sizing:border-box;flex:1;width:100%;max-width:800px;margin:0 auto;padding:40px 24px;overflow:hidden auto}.profile-title{color:var(--text-h);margin:0 0 32px;font-size:32px;font-weight:600}.profile-card{background:var(--bg);border:1px solid var(--border);border-radius:16px;flex-direction:column;align-items:center;gap:24px;padding:32px;display:flex}.profile-avatar-large{background:linear-gradient(135deg, var(--accent) 0%, #ff5678 100%);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:120px;height:120px;font-size:48px;font-weight:700;display:flex}.profile-info-section{flex-direction:column;gap:16px;width:100%;display:flex}.profile-info-item{background:var(--accent-bg);border-radius:12px;padding:16px}.profile-info-label{color:var(--text);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px;font-size:13px;font-weight:600}.profile-info-value{color:var(--text-h);font-size:16px;font-weight:500}.loading-screen{background:var(--bg);z-index:9999;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.loading-logo-container{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}.loading-logo{filter:drop-shadow(0 0 20px #6d43ff4d);width:80px;height:80px;display:block}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.05)}}.auth-shell{box-sizing:border-box;background:radial-gradient(circle at 5% 10%,#aa3bff24,#0000 35%),radial-gradient(circle at 95% 100%,#0a84ff29,#0000 45%);justify-content:center;align-items:center;height:100svh;padding:24px;display:flex;overflow-y:auto}.auth-card{background:color-mix(in srgb, var(--bg) 82%, transparent);border:1px solid var(--border);text-align:left;width:min(460px,100%);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:20px;max-height:calc(100svh - 48px);padding:32px;overflow-y:auto}.logo-container{justify-content:center;margin-bottom:24px;display:flex}.brand-logo{width:auto;height:48px}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;margin:0 0 8px;font-size:13px;font-weight:700}.auth-card h1{margin:0 0 16px;font-size:clamp(28px,6vw,36px)}.auth-form{gap:12px;margin-top:18px;display:grid}.auth-form label{color:var(--text-h);font-size:14px;font-weight:600}.auth-form input{border:1px solid var(--border);background:var(--bg);height:44px;color:var(--text-h);border-radius:10px;padding:0 12px;font-size:15px}.auth-form input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.primary-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6d43ff 0%,#a53cff 50%,#ff5678 100%);border:0;border-radius:12px;height:46px;margin-top:8px;font-size:15px;font-weight:700;transition:transform .16s,filter .16s}.primary-btn:hover{filter:brightness(1.06);transform:translateY(-1px)}.primary-btn:disabled{opacity:.65;cursor:wait;transform:none}.muted{color:var(--text);margin:8px 0 0}.token-status{color:var(--text-h);margin:10px 0 16px;font-size:14px}.error{color:#d54040;margin:14px 0 0;font-size:14px}@media (width<=640px){.auth-shell{padding:14px}.auth-card{border-radius:16px;padding:24px}}