* { box-sizing: border-box; margin: 0; padding: 0; font-family: system-ui, -apple-system, sans-serif; }
body { background: #0f172a; color: #cbd5e1; display: flex; height: 100vh; overflow: hidden; }
.chart-side { width: 66.66%; border-right: 1px solid #334155; position: relative; background: #000; }
.chart-header { position: absolute; top: 0; left: 0; width: 100%; padding: 1rem; z-index: 10; display: flex; justify-content: space-between; pointer-events: none; }
.chart-title { font-size: 1.25rem; font-weight: bold; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 2px; }
.chart-title span { color: #3b82f6; }
.stream-status { display: flex; align-items: center; font-size: 0.875rem; color: #4ade80; }
.pulse { width: 8px; height: 8px; background: #22c55e; border-radius: 50%; margin-right: 8px; animation: blink 2s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.login-side { width: 33.33%; background: #1e293b; display: flex; flex-direction: column; justify-content: center; padding: 2rem; }
.login-box { max-width: 400px; width: 100%; margin: 0 auto; }
h2 { font-size: 1.875rem; color: #fff; margin-bottom: 0.5rem; font-weight: 600; }
.subtitle { font-size: 0.875rem; color: #94a3b8; margin-bottom: 2rem; }
.form-group { margin-bottom: 1.5rem; }
label { display: block; font-size: 0.875rem; margin-bottom: 0.5rem; color: #94a3b8; }
input { width: 100%; background: #0f172a; border: 1px solid #475569; border-radius: 4px; padding: 0.75rem; color: #fff; outline: none; }
input:focus { border-color: #3b82f6; }
.error-msg { background: rgba(127, 29, 29, 0.5); border: 1px solid #ef4444; color: #fecaca; padding: 0.75rem; border-radius: 4px; font-size: 0.875rem; margin-bottom: 1.5rem; display: none; }
button { width: 100%; background: #2563eb; color: #fff; border: none; padding: 0.75rem; border-radius: 4px; font-weight: 600; cursor: pointer; transition: background 0.2s; margin-top: 1rem; }
button:hover { background: #1d4ed8; }
.footer { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid #334155; font-size: 0.75rem; color: #64748b; text-align: center; }
@media (max-width: 768px) { .chart-side { display: none; } .login-side { width: 100%; } }