body {
    background: linear-gradient(135deg, #89CFF0, #f0f4f8);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow: hidden;
    position: relative;
}

.bg-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

    .bg-icons i {
        position: absolute;
        font-size: 50px;
        color: rgba(255,255,255,0.1);
        animation: float 20s infinite linear;
    }

        .bg-icons i:nth-child(1) {
            top: 10%;
            left: 10%;
        }

        .bg-icons i:nth-child(2) {
            top: 70%;
            left: 20%;
        }

        .bg-icons i:nth-child(3) {
            top: 30%;
            left: 80%;
        }

        .bg-icons i:nth-child(4) {
            top: 80%;
            left: 70%;
        }

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(180deg);
    }

    100% {
        transform: translateY(0) rotate(360deg);
    }
}

.login-card {
    background-color: #ffffffcc;
    backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 50px 30px;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
    text-align: center;
    z-index: 1;
    position: relative;
}

    .login-card h2 {
        margin-bottom: 25px;
        font-weight: bold;
        color: #0d6efd;
    }

.form-control:focus {
    box-shadow: none;
    border-color: #0d6efd;
}

.btn-login {
    border-radius: 50px;
    padding: 12px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

    .btn-login:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(0,0,0,0.3);
    }

.error-msg {
    color: #dc3545;
    margin-bottom: 15px;
    font-weight: 500;
}