:root {
    --primary: #390050;
    --accent: #E99B9B;
    --bg: #ffffff;
    --text: #222222;
}

body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--bg);
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    border-bottom: 2px solid var(--accent);
}

header img {
    height: 50px;
}

header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--primary);
}

nav {
    background-color: #f7f7f7;
    display: flex;
    justify-content: center;
    gap: 1rem;
    padding: 0.5rem;
    flex-wrap: wrap;
    border-bottom: 1px solid #ddd;
}

nav a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

main {
    flex: 1;
    padding: 2rem;
    text-align: center;
}

h2 {
    color: var(--primary);
}

#reader {
    width: 300px;
    margin: 2rem auto;
}

#status {
    margin-top: 1rem;
    font-weight: bold;
}

form {
    margin-top: 2rem;
}

input[type="text"] {
    padding: 0.8rem;
    font-size: 3.1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    width: 100%;
    height: 100px;
    max-width: 90%;
}

input[type="number"] {
    padding: 0.8rem;
    font-size: 3.1rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    width: 100%;
    height: 100px;
    max-width: 90%;
}

button {
    margin-top: 1.5rem;
    /* background-color: var(--primary); */
    background-color: rgba(57, 0, 80, 0.75);
    color: var(--bg);
    border: none;
    padding: 0.8rem 2rem;
    font-size: 2.8rem;
    border-radius: 8px;
    width: 100%;
    height: 200px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #4f1166;
}

footer {
    background-color: #fafafa;
    color: #777;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
    border-top: 1px solid #eee;
}

@media (max-width: 600px) {
    header h1 {
    font-size: 1.2rem;
    }

    input[type="text"] {
    font-size: 1rem;
    }

    button {
    font-size: 1rem;
    padding: 0.6rem 1.5rem;
    }
}