feat: animated forex cards background on login page

Canvas animation with 14 floating forex pair cards (price + sparkline chart),
30 floating data particles, grid overlay and center glow radial gradient.
Cards drift upward with sine-wave wobble. Login card has backdrop-blur overlay.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Kansaram
2026-06-08 12:44:38 +05:30
co-authored by Claude Sonnet 4.6
parent 09488edeb1
commit 4971ddceaf
+244 -96
View File
@@ -1,9 +1,200 @@
import { useState } from 'react'
import { useState, useEffect, useRef } from 'react'
import { NexusIcon } from '../components/NexusLogo'
const USER = 'mihir.kansara'
const PASS = 'nexus@2026'
const PAIRS = [
{ pair:'EUR/USD', price:'1.08542', chg:'+0.23%', up:true, spark:[40,38,42,39,44,41,46,43,45,48] },
{ pair:'GBP/USD', price:'1.26381', chg:'-0.14%', up:false, spark:[55,52,54,50,53,49,51,48,50,47] },
{ pair:'USD/JPY', price:'157.234', chg:'+0.41%', up:true, spark:[30,33,31,35,34,37,36,39,38,42] },
{ pair:'XAU/USD', price:'2341.50', chg:'+0.67%', up:true, spark:[20,24,22,28,25,30,27,32,29,35] },
{ pair:'USD/CHF', price:'0.90124', chg:'-0.08%', up:false, spark:[60,58,59,56,57,54,56,53,54,51] },
{ pair:'AUD/USD', price:'0.65432', chg:'+0.19%', up:true, spark:[25,27,26,29,28,31,30,33,32,35] },
{ pair:'EUR/JPY', price:'170.341', chg:'+0.55%', up:true, spark:[15,18,16,20,19,22,21,24,23,27] },
{ pair:'GBP/JPY', price:'198.712', chg:'-0.22%', up:false, spark:[70,67,68,64,65,61,62,58,59,55] },
{ pair:'NZD/USD', price:'0.61234', chg:'+0.11%', up:true, spark:[35,37,36,39,38,41,40,43,42,45] },
{ pair:'USD/CAD', price:'1.36542', chg:'-0.17%', up:false, spark:[50,48,49,46,47,44,45,42,43,40] },
{ pair:'EUR/GBP', price:'0.85621', chg:'+0.09%', up:true, spark:[28,30,29,32,31,34,33,36,35,38] },
{ pair:'BTC/USD', price:'67,420', chg:'+1.23%', up:true, spark:[10,15,12,18,14,20,16,22,18,25] },
]
function FloatingBg() {
const canvasRef = useRef(null)
useEffect(() => {
const canvas = canvasRef.current
const ctx = canvas.getContext('2d')
let raf
const resize = () => {
canvas.width = window.innerWidth
canvas.height = window.innerHeight
}
resize()
window.addEventListener('resize', resize)
// Create floating card objects
const cards = Array.from({ length: 14 }, (_, i) => {
const p = PAIRS[i % PAIRS.length]
return {
...p,
x: Math.random() * window.innerWidth,
y: Math.random() * window.innerHeight,
vx: (Math.random() - 0.5) * 0.35,
vy: -(Math.random() * 0.4 + 0.15),
opacity: Math.random() * 0.28 + 0.08,
scale: Math.random() * 0.35 + 0.65,
rot: (Math.random() - 0.5) * 0.08,
phase: Math.random() * Math.PI * 2,
}
})
// Floating data particles
const particles = Array.from({ length: 30 }, () => ({
x: Math.random() * window.innerWidth,
y: Math.random() * window.innerHeight,
vy: -(Math.random() * 0.5 + 0.2),
text: ['▲ 0.' + Math.floor(Math.random()*99).toString().padStart(2,'0') + '%',
'▼ 0.' + Math.floor(Math.random()*99).toString().padStart(2,'0') + '%',
(Math.random() > 0.5 ? '+' : '-') + (Math.random()*2).toFixed(4),
Math.floor(Math.random()*9999).toString()][Math.floor(Math.random()*4)],
color: Math.random() > 0.5 ? '#00c8f0' : Math.random() > 0.5 ? '#3ddc84' : '#ef4444',
opacity: Math.random() * 0.18 + 0.05,
size: Math.random() * 4 + 8,
}))
let t = 0
function drawSparkline(ctx, spark, x, y, w, h, color) {
const min = Math.min(...spark), max = Math.max(...spark)
const range = max - min || 1
ctx.beginPath()
spark.forEach((v, i) => {
const px = x + (i / (spark.length - 1)) * w
const py = y + h - ((v - min) / range) * h
i === 0 ? ctx.moveTo(px, py) : ctx.lineTo(px, py)
})
ctx.strokeStyle = color
ctx.lineWidth = 1.2
ctx.stroke()
// Last dot
const lx = x + w, ly = y + h - ((spark[spark.length-1] - min) / range) * h
ctx.beginPath()
ctx.arc(lx, ly, 2, 0, Math.PI * 2)
ctx.fillStyle = color
ctx.fill()
}
function drawCard(ctx, card, t) {
const W = 148, H = 68
const cx = card.x, cy = card.y + Math.sin(t * 0.0008 + card.phase) * 6
ctx.save()
ctx.globalAlpha = card.opacity
ctx.translate(cx, cy)
ctx.scale(card.scale, card.scale)
ctx.rotate(card.rot + Math.sin(t * 0.0004 + card.phase) * 0.015)
// Card bg
ctx.fillStyle = 'rgba(2,8,23,0.72)'
ctx.strokeStyle = card.up ? 'rgba(0,200,240,0.25)' : 'rgba(239,68,68,0.2)'
ctx.lineWidth = 1
ctx.beginPath()
ctx.roundRect(-W/2, -H/2, W, H, 6)
ctx.fill()
ctx.stroke()
// Pair label
ctx.fillStyle = '#e2e8f0'
ctx.font = `600 11px "JetBrains Mono", monospace`
ctx.fillText(card.pair, -W/2 + 10, -H/2 + 16)
// Price
ctx.fillStyle = '#00c8f0'
ctx.font = `700 13px "JetBrains Mono", monospace`
ctx.fillText(card.price, -W/2 + 10, -H/2 + 32)
// Change
ctx.fillStyle = card.up ? '#3ddc84' : '#ef4444'
ctx.font = `600 9px "JetBrains Mono", monospace`
ctx.fillText((card.up ? '▲ ' : '▼ ') + card.chg, -W/2 + 10, -H/2 + 46)
// Sparkline
drawSparkline(ctx, card.spark, W/2 - 55, -H/2 + 12, 44, 36,
card.up ? 'rgba(61,220,132,0.7)' : 'rgba(239,68,68,0.7)')
ctx.restore()
}
function draw() {
t++
const W = canvas.width, H = canvas.height
ctx.clearRect(0, 0, W, H)
// Deep dark bg
ctx.fillStyle = '#020817'
ctx.fillRect(0, 0, W, H)
// Grid
ctx.strokeStyle = 'rgba(0,200,240,0.025)'
ctx.lineWidth = 1
for (let x = 0; x < W; x += 44) {
ctx.beginPath(); ctx.moveTo(x, 0); ctx.lineTo(x, H); ctx.stroke()
}
for (let y = 0; y < H; y += 44) {
ctx.beginPath(); ctx.moveTo(0, y); ctx.lineTo(W, y); ctx.stroke()
}
// Center glow
const g = ctx.createRadialGradient(W/2, H/2, 0, W/2, H/2, W * 0.45)
g.addColorStop(0, 'rgba(0,200,240,0.06)')
g.addColorStop(1, 'rgba(0,0,0,0)')
ctx.fillStyle = g
ctx.fillRect(0, 0, W, H)
// Particles
particles.forEach(p => {
p.y += p.vy
if (p.y < -20) { p.y = H + 10; p.x = Math.random() * W }
ctx.globalAlpha = p.opacity
ctx.fillStyle = p.color
ctx.font = `${p.size}px "JetBrains Mono", monospace`
ctx.fillText(p.text, p.x, p.y)
})
ctx.globalAlpha = 1
// Cards
cards.forEach(card => {
card.x += card.vx
card.y += card.vy
if (card.y < -100) {
card.y = H + 80
card.x = Math.random() * W
}
if (card.x < -180) card.x = W + 80
if (card.x > W + 180) card.x = -80
drawCard(ctx, card, t)
})
raf = requestAnimationFrame(draw)
}
draw()
return () => {
cancelAnimationFrame(raf)
window.removeEventListener('resize', resize)
}
}, [])
return (
<canvas ref={canvasRef} style={{
position: 'fixed', inset: 0, zIndex: 0,
pointerEvents: 'none',
}}/>
)
}
export default function LoginPage({ onLogin }) {
const [u, setU] = useState('')
const [p, setP] = useState('')
@@ -36,8 +227,8 @@ export default function LoginPage({ onLogin }) {
}}>
<style>{`
@keyframes login-glow {
0%,100% { box-shadow: 0 0 0 1px rgba(0,200,240,0.2), 0 0 24px rgba(0,200,240,0.05); }
50% { box-shadow: 0 0 0 1px rgba(0,200,240,0.45), 0 0 40px rgba(0,200,240,0.12); }
0%,100% { box-shadow: 0 0 0 1px rgba(0,200,240,0.2), 0 0 40px rgba(0,200,240,0.06); }
50% { box-shadow: 0 0 0 1px rgba(0,200,240,0.5), 0 0 60px rgba(0,200,240,0.15); }
}
@keyframes shake {
0%,100%{ transform:translateX(0) }
@@ -46,10 +237,6 @@ export default function LoginPage({ onLogin }) {
60% { transform:translateX(-5px) }
80% { transform:translateX(5px) }
}
@keyframes scanline {
0% { transform: translateY(-100%) }
100% { transform: translateY(100vh) }
}
.login-input {
width: 100%;
background: rgba(0,200,240,0.04);
@@ -58,7 +245,7 @@ export default function LoginPage({ onLogin }) {
color: var(--cyan);
font-family: var(--font-mono);
font-size: 13px;
padding: 10px 14px;
padding: 11px 14px;
outline: none;
transition: border-color 0.2s, box-shadow 0.2s;
letter-spacing: 0.05em;
@@ -71,7 +258,7 @@ export default function LoginPage({ onLogin }) {
.login-input::placeholder { color: rgba(0,200,240,0.25); }
.login-btn {
width: 100%;
padding: 11px;
padding: 12px;
background: rgba(0,200,240,0.1);
border: 1px solid rgba(0,200,240,0.4);
border-radius: 4px;
@@ -86,136 +273,97 @@ export default function LoginPage({ onLogin }) {
.login-btn:hover {
background: rgba(0,200,240,0.18);
border-color: rgba(0,200,240,0.7);
box-shadow: 0 0 20px rgba(0,200,240,0.15);
box-shadow: 0 0 24px rgba(0,200,240,0.18);
}
.login-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.dm-btn:hover { background: rgba(0,200,240,0.14) !important; }
`}</style>
{/* Scanline effect */}
<div style={{
position: 'fixed', inset: 0, pointerEvents: 'none', zIndex: 0,
background: 'repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px)',
}}/>
<FloatingBg />
{/* Grid bg */}
{/* Blur overlay behind card */}
<div style={{
position: 'fixed', inset: 0, pointerEvents: 'none', zIndex: 0,
backgroundImage: 'linear-gradient(rgba(0,200,240,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0,200,240,0.03) 1px, transparent 1px)',
backgroundSize: '40px 40px',
}}/>
{/* Glow orb */}
<div style={{
position: 'fixed', top: '20%', left: '50%', transform: 'translateX(-50%)',
width: 600, height: 600, borderRadius: '50%',
background: 'radial-gradient(circle, rgba(0,200,240,0.06) 0%, transparent 70%)',
pointerEvents: 'none', zIndex: 0,
position: 'fixed', inset: 0, zIndex: 1,
backdropFilter: 'blur(1.5px)',
pointerEvents: 'none',
}}/>
{/* Login card */}
<div style={{
position: 'relative', zIndex: 1,
width: 380, padding: '40px 36px',
background: 'rgba(2,8,23,0.92)',
position: 'relative', zIndex: 2,
width: 390, padding: '40px 36px',
background: 'rgba(2,8,23,0.88)',
border: '1px solid rgba(0,200,240,0.18)',
borderRadius: 8,
animation: 'login-glow 3s ease-in-out infinite',
...(shake ? { animation: 'shake 0.5s ease' } : {}),
borderRadius: 10,
backdropFilter: 'blur(20px)',
animation: shake ? 'shake 0.5s ease' : 'login-glow 3s ease-in-out infinite',
}}>
{/* Logo */}
<div style={{ display: 'flex', flexDirection: 'column', alignItems: 'center', marginBottom: 32, gap: 12 }}>
<NexusIcon size={52} />
<div style={{ textAlign: 'center' }}>
<div style={{ display:'flex', flexDirection:'column', alignItems:'center', marginBottom:32, gap:12 }}>
<NexusIcon size={56} />
<div style={{ textAlign:'center' }}>
<div style={{
fontSize: 20, fontWeight: 800, letterSpacing: '0.25em',
color: 'var(--cyan)', lineHeight: 1,
textShadow: '0 0 20px rgba(0,200,240,0.6)',
animation: 'nx-flicker 9s ease-in-out infinite',
fontSize:22, fontWeight:800, letterSpacing:'0.25em',
color:'var(--cyan)', lineHeight:1,
textShadow:'0 0 24px rgba(0,200,240,0.65)',
animation:'nx-flicker 9s ease-in-out infinite',
}}>NEXUS</div>
<div style={{ fontSize: 9, letterSpacing: '0.22em', color: 'var(--text-muted)', marginTop: 4 }}>
<div style={{ fontSize:9, letterSpacing:'0.22em', color:'var(--text-muted)', marginTop:5 }}>
TERMINAL · RESTRICTED ACCESS
</div>
</div>
</div>
{/* Divider */}
<div style={{ borderTop: '1px solid rgba(0,200,240,0.1)', marginBottom: 28 }}/>
<div style={{ borderTop:'1px solid rgba(0,200,240,0.1)', marginBottom:28 }}/>
{/* Form */}
<form onSubmit={handleSubmit} style={{ display: 'flex', flexDirection: 'column', gap: 14 }}>
<form onSubmit={handleSubmit} style={{ display:'flex', flexDirection:'column', gap:14 }}>
<div>
<div style={{ fontSize: 9, color: 'var(--text-muted)', letterSpacing: '0.15em', marginBottom: 6 }}>
USER ID
</div>
<input
className="login-input"
placeholder="enter username"
value={u}
onChange={e => { setU(e.target.value); setErr('') }}
autoComplete="off"
spellCheck={false}
/>
<div style={{ fontSize:9, color:'var(--text-muted)', letterSpacing:'0.15em', marginBottom:6 }}>USER ID</div>
<input className="login-input" placeholder="enter username"
value={u} onChange={e => { setU(e.target.value); setErr('') }}
autoComplete="off" spellCheck={false}/>
</div>
<div>
<div style={{ fontSize: 9, color: 'var(--text-muted)', letterSpacing: '0.15em', marginBottom: 6 }}>
ACCESS KEY
</div>
<input
className="login-input"
type="password"
placeholder="enter password"
value={p}
onChange={e => { setP(e.target.value); setErr('') }}
/>
<div style={{ fontSize:9, color:'var(--text-muted)', letterSpacing:'0.15em', marginBottom:6 }}>ACCESS KEY</div>
<input className="login-input" type="password" placeholder="enter password"
value={p} onChange={e => { setP(e.target.value); setErr('') }}/>
</div>
{err && (
<div style={{
fontSize: 11, color: 'var(--red)', textAlign: 'center',
background: 'rgba(239,68,68,0.08)', border: '1px solid rgba(239,68,68,0.2)',
borderRadius: 4, padding: '8px 12px', letterSpacing: '0.05em',
}}>
{err}
</div>
fontSize:11, color:'var(--red)', textAlign:'center',
background:'rgba(239,68,68,0.08)', border:'1px solid rgba(239,68,68,0.2)',
borderRadius:4, padding:'8px 12px', letterSpacing:'0.05em',
}}> {err}</div>
)}
<button className="login-btn" type="submit" disabled={loading} style={{ marginTop: 4 }}>
<button className="login-btn" type="submit" disabled={loading} style={{ marginTop:4 }}>
{loading ? '· · ·' : 'AUTHENTICATE →'}
</button>
</form>
{/* DM section */}
<div style={{
marginTop: 28, paddingTop: 20,
borderTop: '1px solid rgba(0,200,240,0.08)',
textAlign: 'center',
}}>
<div style={{ fontSize: 10, color: 'var(--text-muted)', marginBottom: 8, letterSpacing: '0.05em' }}>
<div style={{ marginTop:28, paddingTop:20, borderTop:'1px solid rgba(0,200,240,0.08)', textAlign:'center' }}>
<div style={{ fontSize:10, color:'var(--text-muted)', marginBottom:8, letterSpacing:'0.05em' }}>
Don't have credentials?
</div>
<a
href="https://www.linkedin.com/in/mihir-kansara-043275187/"
target="_blank"
rel="noopener noreferrer"
<a href="https://www.linkedin.com/in/mihir-kansara-043275187/"
target="_blank" rel="noopener noreferrer" className="dm-btn"
style={{
display: 'inline-flex', alignItems: 'center', gap: 6,
fontSize: 11, color: 'var(--cyan)', textDecoration: 'none',
background: 'rgba(0,200,240,0.06)',
border: '1px solid rgba(0,200,240,0.2)',
borderRadius: 4, padding: '7px 14px',
letterSpacing: '0.05em', fontWeight: 600,
transition: 'all 0.2s',
}}
onMouseEnter={e => e.currentTarget.style.background = 'rgba(0,200,240,0.12)'}
onMouseLeave={e => e.currentTarget.style.background = 'rgba(0,200,240,0.06)'}
>
display:'inline-flex', alignItems:'center', gap:6,
fontSize:11, color:'var(--cyan)', textDecoration:'none',
background:'rgba(0,200,240,0.06)',
border:'1px solid rgba(0,200,240,0.2)',
borderRadius:4, padding:'8px 16px',
letterSpacing:'0.05em', fontWeight:600,
transition:'all 0.2s',
}}>
<svg width="14" height="14" viewBox="0 0 24 24" fill="#0A66C2">
<path d="M20.447 20.452h-3.554v-5.569c0-1.328-.027-3.037-1.852-3.037-1.853 0-2.136 1.445-2.136 2.939v5.667H9.351V9h3.414v1.561h.046c.477-.9 1.637-1.85 3.37-1.85 3.601 0 4.267 2.37 4.267 5.455v6.286zM5.337 7.433a2.062 2.062 0 01-2.063-2.065 2.064 2.064 0 112.063 2.065zm1.782 13.019H3.555V9h3.564v11.452zM22.225 0H1.771C.792 0 0 .774 0 1.729v20.542C0 23.227.792 24 1.771 24h20.451C23.2 24 24 23.227 24 22.271V1.729C24 .774 23.2 0 22.222 0h.003z"/>
</svg>
DM me on LinkedIn
</a>
<div style={{ fontSize: 9, color: 'var(--text-ghost)', marginTop: 10, letterSpacing: '0.04em' }}>
<div style={{ fontSize:9, color:'var(--text-ghost)', marginTop:10, letterSpacing:'0.04em' }}>
© 2026 Mihir Kansara · NEXUS TERMINAL
</div>
</div>