body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
    color: white;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(4px);
    background-color: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.login-right {
    background-color: rgba(0, 0, 0, 0.75);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.2);
    width: 350px;
    animation: fadeIn 1s ease-in-out;
}

.login-form h2 {
    margin-bottom: 30px;
    font-size: 24px;
    text-align: center;
    border-bottom: 2px solid cyan;
    padding-bottom: 10px;
}

.input-group {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid cyan;
}

    .input-group i {
        margin-right: 10px;
        color: cyan;
    }

    .input-group input {
        background: transparent;
        border: none;
        outline: none;
        color: white;
        flex: 1;
        padding: 10px;
        font-size: 16px;
    }

.login-btn {
    background-color: cyan;
    color: #000;
    border: none;
    padding: 10px 20px;
    width: 100%;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: 0.3s;
}

    .login-btn:hover {
        background-color: #00ffff;
        box-shadow: 0 0 10px #00ffff;
    }

.alert {
    margin-top: 15px;
    padding: 10px;
    background-color: darkred;
    color: white;
    border-radius: 4px;
    text-align: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}