/* General dark theme with yellow accent */
body {
    background-color: #121212;
    color: #fff59d; /* light yellow */
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

/* Heading */
h1 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

/* Form container */
form {
    background-color: #1e1e1e;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255, 235, 59, 0.2);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 500px;
    align-items: center;
}

/* File input */
input[type="file"] {
    color: #fffde7;
    background-color: #2c2c2c;
    border: 1px solid #fdd835;
    padding: 0.5rem;
    border-radius: 5px;
    width: 100%;
}

/* Submit button */
input[type="submit"] {
    padding: 0.75rem 1.5rem;
    background-color: #fff59d;
    color: #121212;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s ease-in-out;
    width: 100%;
}

input[type="submit"]:hover {
    background-color: #fdd835;
}

/* Paragraph messages */
p {
    margin-top: 1rem;
    text-align: center;
}

/* Link */
a {
    color: #fff59d;
    text-decoration: underline;
}

a:hover {
    color: #fdd835;
}