* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to right, #00c6ff, #0072ff);
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.container {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 20px;
    width: 100%;
    max-width: 500px;
    animation: fadeIn 1s ease-in-out;
}

.header, .footer {
    text-align: center;
    margin-bottom: 20px;
}

.header h1 {
    font-size: 2rem;
    color: #0072ff;
}

.form-group, .result-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.btn {
    width: 100%;
    padding: 10px;
    background: #0072ff;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #005bb5;
}

.results {
    margin-top: 20px;
}

.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer p {
    font-size: 0.875rem;
    color: #666;
}