body {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    height: 100vh;
    background: linear-gradient(135deg, #1d4ed8, #3b82f6, #60a5fa);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

/* Animated circles background */
.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    animation: float 8s infinite ease-in-out;
}

    .circle:nth-child(1) {
        width: 180px;
        height: 180px;
        top: 5%;
        left: 10%;
    }

    .circle:nth-child(2) {
        width: 250px;
        height: 250px;
        bottom: 10%;
        right: 5%;
        animation-duration: 10s;
    }

    .circle:nth-child(3) {
        width: 120px;
        height: 120px;
        bottom: 20%;
        left: 20%;
        animation-duration: 12s;
    }

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-25px);
    }
}

.glass-box {
    width: 400px;
    padding: 40px 35px;
    border-radius: 15px;
    backdrop-filter: blur(15px);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0px 10px 40px rgba(0, 0, 0, 0.25);
    z-index: 10;
    animation: fadein 1.2s ease;
}

@keyframes fadein {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0px);
    }
}

.glass-box h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 1px;
}

.form-label {
    color: #e2e8f0;
}

.form-control {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

    .form-control::placeholder {
        color: #f1f5f9;
    }

.btn-blue {
    background: #1e3a8a;
    color: white;
    font-weight: 600;
    border-radius: 6px;
}

    .btn-blue:hover {
        background: #1e40af;
        color: white;
    }