/* Enhanced Background and Layout */
body {
    background: linear-gradient(135deg, #6dd5ed, #2193b0);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', 'Roboto', 'Helvetica', sans-serif;
    margin: 0;
    padding: 20px;
}

/* Main Container Styling */
.main-container {
    max-width: 600px;
    padding: 2.5rem;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0px 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

/* Header and Paragraph Styling */
h1 {
    font-size: 2.8rem;
    margin-bottom: 1.2rem;
    color: #0056b3;
}
p {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 2rem;
}

/* Input Field Styling */
.form-control {
    border-radius: 30px;
    height: 50px;
    font-size: 1.1rem;
    padding: 0 20px;
    border: 1px solid #007bff;
    outline: none;
    box-shadow: none;
    transition: all 0.3s ease-in-out;
}
.form-control:focus {
    border-color: #0056b3;
    box-shadow: 0 0 5px rgba(0, 91, 187, 0.5);
}

/* Button Styling */
.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    border-radius: 30px;
    margin: 2rem;
    padding: 0.6rem 2rem;
    font-size: 1.1rem;
    transition: all 0.3s ease-in-out;
}
.btn-primary:hover {
    background-color: #0056b3;
    border-color: #0056b3;
    transform: translateY(-2px);
}

/* Card Styling for Result Display */
.card {
    margin-top: 30px;
    border: none;
    border-radius: 20px;
    box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.1);
}
.card-body {
    padding: 1.8rem;
    text-align: left;
}

/* Footer Styling */
footer {
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #555;
}