:root {
    --color-dark-teal: #003135;
    --color-teal: #024950;
    --color-brown: #964734;
    --color-light-teal: #0FA4AF;
    --color-light-blue: #ADDDE5;

    --backgroundColor: var(--color-light-blue);
}

@media (prefers-color-scheme: dark) {
    :root {
        --backgroundColor: var(--color-dark-teal);
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--backgroundColor);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 20px;
    padding: 60px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    text-align: center;
}

h1 {
    color: #333;
    font-size: 2.5rem;
    margin-bottom: 40px;
    font-weight: 600;
}

.input-wrapper {
    position: relative;
    width: 100%;
}

#userInput {
    width: 100%;
    padding: 18px 24px;
    font-size: 1.1rem;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    outline: none;
    transition: all 0.3s ease;
    font-family: inherit;
}

#userInput:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

#userInput::placeholder {
    color: #999;
}

@media (max-width: 768px) {
    .container {
        padding: 40px 30px;
    }

    h1 {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    #userInput {
        font-size: 1rem;
        padding: 16px 20px;
    }
}