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import { useNavigate } from 'react-router-dom';
import { useAuth } from '../context/AuthContext';
import { LogIn, UserPlus, Eye, EyeOff } from 'lucide-react';
const API_BASE = import.meta.env.VITE_API_BASE_URL || 'http://localhost:8000/api';
/* ─── Typewriter ─── */
const useTypewriter = (words: string[], speed = 80, pause = 2200) => {
const [index, setIndex] = useState(0);
const [sub, setSub] = useState(0);
const [deleting, setDeleting] = useState(false);
const [text, setText] = useState('');
useEffect(() => {
const word = words[index % words.length];
const timer = setTimeout(() => {
if (!deleting) {
setText(word.slice(0, sub + 1));
setSub(s => s + 1);
if (sub + 1 === word.length) setTimeout(() => setDeleting(true), pause);
} else {
setText(word.slice(0, sub - 1));
setSub(s => s - 1);
if (sub - 1 === 0) { setDeleting(false); setIndex(i => i + 1); }
}
}, deleting ? speed / 2 : speed);
return () => clearTimeout(timer);
}, [sub, deleting, index]);
return text;
};
const Login: React.FC = () => {
const [isRegistering, setIsRegistering] = useState(false);
const [username, setUsername] = useState('');
const [password, setPassword] = useState('');
const [error, setError] = useState('');
const [loading, setLoading] = useState(false);
const [showPassword, setShowPassword] = useState(false);
const { login } = useAuth();
const navigate = useNavigate();
const rotatingWords = ['Knowledge Graphs.', 'Logic Engines.', 'LLM Reasoning.', 'Entity Networks.', 'Semantic Search.'];
const rotating = useTypewriter(rotatingWords);
const handleSubmit = async (e: React.FormEvent) => {
e.preventDefault();
setError('');
setLoading(true);
try {
if (isRegistering) {
const regRes = await fetch(`${API_BASE}/auth/register`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ username, password, scopes: ['read', 'write', 'admin'] }),
});
if (!regRes.ok) {
const errData = await regRes.json();
throw new Error(errData.detail || 'Registration failed');
}
}
const loginRes = await fetch(`${API_BASE}/auth/login`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ username, password }),
});
if (!loginRes.ok) {
const errData = await loginRes.json();
throw new Error(errData.detail || 'Login failed');
}
const { access_token } = await loginRes.json();
const userRes = await fetch(`${API_BASE}/auth/me`, {
headers: { Authorization: `Bearer ${access_token}` },
});
if (!userRes.ok) throw new Error('Failed to fetch user profile');
const user = await userRes.json();
login(access_token, user);
navigate('/');
} catch (err: any) {
setError(err.message);
} finally {
setLoading(false);
}
};
return (
<div className="lp-root">
{/* ── Brand mark top-left ── */}
<div className="lp-brand">
<span className="lp-brand-dot" />
CORTEX
</div>
{/* ── Version badge top-right ── */}
<div className="lp-version">v1.0 · PRODUCTION</div>
{/* ── Giant background wordmark ── */}
<div className="lp-bg-word" aria-hidden>COR</div>
<div className="lp-bg-word lp-bg-word-2" aria-hidden>TEX</div>
{/* ── Hero headline, top-center area ── */}
<div className="lp-headline">
<div className="lp-headline-super">AGENTIC KNOWLEDGE PLATFORM</div>
<h1 className="lp-headline-h1">
Enterprise-grade<br/>
<span className="lp-headline-rotating">
{rotating}<span className="lp-cursor">|</span>
</span>
</h1>
</div>
{/* ── Floating stat chips ── */}
<div className="lp-stat lp-stat-1">
<div className="lp-stat-num">Neo4j</div>
<div className="lp-stat-key">GRAPH ENGINE</div>
</div>
<div className="lp-stat lp-stat-2">
<div className="lp-stat-num">ReACT</div>
<div className="lp-stat-key">AGENT LOOP</div>
</div>
<div className="lp-stat lp-stat-3">
<div className="lp-stat-num">EVAL</div>
<div className="lp-stat-key">SCORING</div>
</div>
<div className="lp-stat lp-stat-4">
<div className="lp-stat-num">Multi-hop</div>
<div className="lp-stat-key">REASONING</div>
</div>
{/* ── Vertical feature list bottom-left ── */}
<div className="lp-features">
<div className="lp-features-label">CAPABILITIES</div>
{[
'Document ingestion → Knowledge graph',
'LLM entity & relationship extraction',
'Agentic multi-step query reasoning',
'Hallucination risk scoring',
'Ontology drift detection & governance',
'Entity enrichment & deduplication',
'Interactive D3 force visualization',
'Export: JSON · Cypher · GraphML',
].map((f, i) => (
<div key={i} className="lp-feature-row">
<span className="lp-feature-tick">→</span>
<span>{f}</span>
</div>
))}
</div>
{/* ── Horizontal tech stack bottom-center ── */}
<div className="lp-stack">
{['FastAPI', 'Neo4j', 'Redis', 'Celery', 'Gemini', 'LangChain'].map(t => (
<span key={t} className="lp-stack-tag">{t}</span>
))}
</div>
{/* ── Bottom-right quote ── */}
<div className="lp-quote">
"Knowledge is only useful<br/>when it can be reasoned over."
</div>
{/* ── Decorative rule lines ── */}
<div className="lp-rule lp-rule-h1" aria-hidden />
<div className="lp-rule lp-rule-h2" aria-hidden />
<div className="lp-rule lp-rule-v1" aria-hidden />
{/* ── LOGIN CARD (right side, vertically centered) ── */}
<div className="lp-card-wrap">
<div className="login-card">
<h2 className="login-title">
{isRegistering ? 'INITIALIZE ACCESS' : 'SYSTEM AUTH'}
</h2>
{error && <div className="error-banner">{error}</div>}
<form onSubmit={handleSubmit} className="login-form">
<div className="input-group">
<label>IDENTIFIER [USER]</label>
<input
type="text"
value={username}
onChange={(e) => setUsername(e.target.value)}
required
className="mono-text"
autoComplete="username"
/>
</div>
<div className="input-group">
<label>KEY [PASS]</label>
<div className="password-wrapper">
<input
type={showPassword ? 'text' : 'password'}
value={password}
onChange={(e) => setPassword(e.target.value)}
required
className="mono-text"
autoComplete="current-password"
/>
<button
type="button"
className="eye-btn"
onClick={() => setShowPassword(!showPassword)}
tabIndex={-1}
title="Toggle visibility"
>
{showPassword ? <EyeOff size={16} /> : <Eye size={16} />}
</button>
</div>
</div>
<button type="submit" className="app-btn auth-btn" disabled={loading}>
{loading
? 'PROCESSING...'
: isRegistering
? <><UserPlus size={16} /> REGISTER</>
: <><LogIn size={16} /> AUTHENTICATE →</>
}
</button>
</form>
<p className="toggle-mode">
<button type="button" className="text-btn" onClick={() => setIsRegistering(!isRegistering)}>
{isRegistering ? 'RETURN TO LOGIN' : 'REQUEST ACCESS (REGISTER)'}
</button>
</p>
<div className="lp-card-footer">
<span>CORTEX PLATFORM</span>
<span>SECURED · ENCRYPTED</span>
</div>
</div>
</div>
<style>{`
/* ── Root ── */
.lp-root {
position: fixed;
inset: 0;
background: #fff;
overflow: hidden;
font-family: var(--font-sans);
}
/* ── Brand top-left ── */
.lp-brand {
position: absolute;
top: 2rem;
left: 2.5rem;
font-family: var(--font-mono);
font-size: 0.75rem;
font-weight: 900;
letter-spacing: 3px;
display: flex;
align-items: center;
gap: 0.5rem;
z-index: 10;
}
.lp-brand-dot {
width: 8px; height: 8px;
background: #000;
border-radius: 50%;
animation: brandPulse 2.5s ease-in-out infinite;
}
@keyframes brandPulse {
0%, 100% { transform: scale(1); }
50% { transform: scale(1.4); }
}
/* ── Version badge ── */
.lp-version {
position: absolute;
top: 2rem;
right: 420px;
font-family: var(--font-mono);
font-size: 0.65rem;
font-weight: 700;
letter-spacing: 2px;
color: #aaa;
z-index: 10;
}
/* ── Giant background wordmarks ── */
.lp-bg-word {
position: absolute;
top: -0.15em;
left: -0.05em;
font-family: var(--font-display);
font-size: clamp(200px, 28vw, 380px);
font-weight: 900;
line-height: 1;
color: transparent;
-webkit-text-stroke: 1.5px #ebebeb;
letter-spacing: -0.04em;
pointer-events: none;
user-select: none;
z-index: 0;
}
.lp-bg-word-2 {
top: auto;
bottom: -0.1em;
left: auto;
right: 360px;
-webkit-text-stroke: 1.5px #f0f0f0;
font-size: clamp(160px, 22vw, 300px);
}
/* ── Hero headline ── */
.lp-headline {
position: absolute;
top: 5rem;
left: 2.5rem;
right: 420px;
z-index: 5;
}
.lp-headline-super {
font-family: var(--font-mono);
font-size: 0.65rem;
font-weight: 700;
letter-spacing: 4px;
color: #999;
margin-bottom: 0.75rem;
}
.lp-headline-h1 {
font-family: var(--font-display);
font-size: clamp(2rem, 3.8vw, 3.4rem);
font-weight: 800;
line-height: 1.15;
letter-spacing: -0.5px;
}
.lp-headline-rotating {
display: inline-block;
border-bottom: 4px solid #000;
min-width: 2ch;
}
.lp-cursor {
display: inline-block;
width: 2px;
animation: blink 0.9s step-end infinite;
font-weight: 300;
margin-left: 1px;
}
@keyframes blink { 50% { opacity: 0; } }
/* ── Floating stat chips ── */
.lp-stat {
position: absolute;
border: 2px solid #000;
padding: 0.6rem 0.9rem;
z-index: 5;
background: #fff;
transition: transform 0.2s, box-shadow 0.2s;
}
.lp-stat:hover {
transform: translateY(-3px);
box-shadow: 4px 4px 0 #000;
}
.lp-stat-num {
font-family: var(--font-mono);
font-size: 0.88rem;
font-weight: 900;
line-height: 1;
margin-bottom: 0.2rem;
}
.lp-stat-key {
font-family: var(--font-mono);
font-size: 0.58rem;
color: #888;
letter-spacing: 1px;
font-weight: 700;
}
.lp-stat-1 { top: 36%; left: 2.5rem; }
.lp-stat-2 { top: 37%; left: 9rem; }
.lp-stat-3 { top: 44%; left: 2.5rem; }
.lp-stat-4 { top: 44%; left: 9rem; }
/* ── Feature list ── */
.lp-features {
position: absolute;
bottom: 5rem;
left: 2.5rem;
width: 340px;
z-index: 5;
}
.lp-features-label {
font-family: var(--font-mono);
font-size: 0.6rem;
font-weight: 700;
letter-spacing: 3px;
color: #bbb;
margin-bottom: 0.6rem;
}
.lp-feature-row {
display: flex;
gap: 0.5rem;
font-family: var(--font-sans);
font-size: 0.78rem;
color: #333;
padding: 0.22rem 0;
border-bottom: 1px solid #f0f0f0;
line-height: 1.5;
}
.lp-feature-tick {
font-family: var(--font-mono);
font-size: 0.72rem;
font-weight: 700;
color: #000;
flex-shrink: 0;
margin-top: 1px;
}
/* ── Tech stack ── */
.lp-stack {
position: absolute;
bottom: 1.75rem;
left: 2.5rem;
right: 420px;
display: flex;
gap: 0.5rem;
flex-wrap: wrap;
z-index: 5;
}
.lp-stack-tag {
font-family: var(--font-mono);
font-size: 0.65rem;
font-weight: 700;
letter-spacing: 0.5px;
border: 1.5px solid #000;
padding: 2px 8px;
background: #fff;
}
/* ── Bottom-right quote ── */
.lp-quote {
position: absolute;
bottom: 4rem;
right: 420px;
width: 240px;
font-family: var(--font-display);
font-size: 0.82rem;
font-style: italic;
color: #bbb;
text-align: right;
line-height: 1.6;
z-index: 5;
}
/* ── Decorative rules ── */
.lp-rule {
position: absolute;
background: #e8e8e8;
z-index: 4;
pointer-events: none;
}
.lp-rule-h1 {
top: 4rem;
left: 0; right: 0;
height: 1px;
}
.lp-rule-h2 {
bottom: 3.5rem;
left: 0; right: 0;
height: 1px;
}
.lp-rule-v1 {
top: 0; bottom: 0;
right: 400px;
width: 2px;
background: #000;
}
/* ── Login card ── */
.lp-card-wrap {
position: absolute;
top: 0; bottom: 0;
right: 0;
width: 400px;
display: flex;
align-items: center;
justify-content: center;
background: #fff;
z-index: 20;
padding: 2rem 2.5rem;
}
.login-card {
width: 100%;
animation: slideUp 0.45s ease both;
}
@keyframes slideUp {
from { transform: translateY(16px); opacity: 0; }
to { transform: translateY(0); opacity: 1; }
}
.login-title {
font-family: var(--font-display);
font-size: 1.15rem;
font-weight: 800;
letter-spacing: 2px;
margin-bottom: 2rem;
text-transform: uppercase;
border-bottom: 3px solid #000;
padding-bottom: 1rem;
}
.input-group {
margin-bottom: 1.25rem;
}
.input-group label {
display: block;
font-family: var(--font-mono);
font-size: 0.72rem;
font-weight: 700;
letter-spacing: 1px;
margin-bottom: 0.4rem;
color: #555;
}
.input-group input {
width: 100%;
border: 2px solid #000;
padding: 0.75rem;
font-size: 0.95rem;
background: #fafafa;
transition: box-shadow 0.15s;
}
.input-group input:focus {
outline: none;
box-shadow: 3px 3px 0 #000;
background: #fff;
}
.password-wrapper {
position: relative;
display: flex;
align-items: center;
}
.password-wrapper input { padding-right: 2.5rem; }
.eye-btn {
position: absolute;
right: 0.5rem;
background: none !important;
border: none !important;
cursor: pointer;
color: #888;
display: flex;
align-items: center;
transition: color 0.15s !important;
}
.eye-btn:hover { background: none !important; color: #000 !important; }
.auth-btn {
width: 100%;
padding: 0.9rem;
display: flex;
align-items: center;
justify-content: center;
gap: 0.5rem;
margin-top: 0.5rem;
font-size: 0.85rem;
letter-spacing: 1px;
background: #000;
color: #fff;
border: 2px solid #000;
transition: background 0.15s, transform 0.15s;
}
.auth-btn:hover:not(:disabled) {
background: #222;
transform: translateY(-1px);
box-shadow: 3px 3px 0 rgba(0,0,0,0.2);
}
.auth-btn:disabled { opacity: 0.5; }
.error-banner {
background: #000;
color: #fff;
padding: 0.6rem 0.75rem;
margin-bottom: 1.25rem;
font-family: var(--font-mono);
font-size: 0.78rem;
border-left: 4px solid #dc2626;
}
.toggle-mode {
text-align: center;
margin-top: 1.25rem;
}
.text-btn {
background: none;
border: none;
color: #555;
text-decoration: underline;
text-underline-offset: 4px;
cursor: pointer;
font-family: var(--font-mono);
font-size: 0.72rem;
letter-spacing: 0.5px;
transition: color 0.15s;
}
.text-btn:hover { color: #000; background: none; }
.lp-card-footer {
display: flex;
justify-content: space-between;
margin-top: 2rem;
padding-top: 1rem;
border-top: 1px solid #e5e5e5;
font-family: var(--font-mono);
font-size: 0.6rem;
color: #bbb;
letter-spacing: 0.5px;
}
/* ── Responsive ── */
@media (max-width: 800px) {
.lp-headline { right: 2rem; }
.lp-version { right: 2rem; }
.lp-rule-v1 { display: none; }
.lp-card-wrap {
position: fixed;
inset: 0;
width: 100%;
background: rgba(255,255,255,0.95);
backdrop-filter: blur(8px);
}
.lp-bg-word, .lp-bg-word-2, .lp-features, .lp-stack, .lp-quote,
.lp-stat-1, .lp-stat-2, .lp-stat-3, .lp-stat-4 { display: none; }
}
@media (max-height: 750px) {
.lp-headline { top: 4rem; }
.lp-headline-h1 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
.lp-stat-1 { top: 32%; }
.lp-stat-2 { top: 33%; }
.lp-stat-3 { top: 41%; }
.lp-stat-4 { top: 41%; }
.lp-features { bottom: 4rem; transform: scale(0.9); transform-origin: left bottom; }
.lp-stack { display: none; }
}
`}</style>
</div>
);
};
export default Login;
|