:root {
    --accent: #ef4444;
    --accent-glow: rgba(239, 68, 68, 0.2);
}
* { font-family: 'Plus Jakarta Sans', sans-serif; }
body { background: #09090b; color: #f4f4f5; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; }

.glow-bg {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
    animation: move 20s infinite alternate;
}
@keyframes move {
    from { transform: translate(-20%, -20%); }
    to { transform: translate(20%, 20%); }
}

.login-card {
    background: rgba(24, 24, 27, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    animation: slideUp 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.input-group input {
    background: rgba(9, 9, 11, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
    outline: none;
}
.btn-primary {
    background: var(--accent);
    box-shadow: 0 8px 30px rgba(239, 68, 68, 0.25);
    transition: all 0.3s;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(239, 68, 68, 0.4);
    filter: brightness(1.1);
}