body {
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0f1419 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Animated background particles effect */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(66, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.login-card {
    background: rgba(15, 20, 30, 0.95);
    border-radius: 16px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(66, 126, 234, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header h1 {
    background: linear-gradient(135deg, #427eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.login-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    font-weight: 300;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.form-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(66, 126, 234, 0.2);
    border-radius: 8px;
    color: #fff;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: #427eea;
    box-shadow: 0 0 0 3px rgba(66, 126, 234, 0.1);
    color: #fff;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.btn-primary {
    background: linear-gradient(135deg, #427eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(66, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(66, 126, 234, 0.4);
    background: linear-gradient(135deg, #5288f0 0%, #8655c2 100%);
}

.btn-primary:disabled {
    opacity: 0.6;
    transform: none;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.15);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #ff6b7a;
    border-radius: 8px;
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .login-card {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }
    
    .login-header h1 {
        font-size: 2rem;
    }
}