body {
    font-family: Arial, sans-serif;
    background-color: #f0f8ff; /* Ljusblå bakgrund */
    background-image: url('math-background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: #333; /* Mörkgrå text */
    text-align: center;
    padding-top: 50px;
}

.container {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

.app-logo {
    width: 300px; /* Prova med 300px som start */
    height: auto; /* Viktigt: Behåller proportionerna */
    display: block; /* Gör att margin: auto fungerar för centrering */
    margin: 0 auto 30px auto; /* Centrerar loggan och lägger till lite marginal nedåt */
}

.content {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 0 auto 30px auto;
}

h1 {
    color: #007bff; /* Starkare blå färg för rubriken */
    margin-bottom: 20px;
    font-size: 2.5em; /* Increased letter size */
}

p {
    margin-bottom: 25px;
    text-align: center;
}

input[type="text"] {
    width: 80%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

#math-problem-input {
    width: 80%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    min-height: 60px;
    resize: vertical;
    margin-bottom: 15px;
}

#solve-button {
    background-color: #007bff;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: calc(80% + 24px); /* Match textarea width + padding */
}

button {
    background-color: #007bff;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #0056b3;
}

#solve-button:hover {
    background-color: #0056b3;
}

.result {
    margin-top: 30px;
    padding: 20px;
    background-color: #e9f5ff;
    border-left: 5px solid #007bff;
    text-align: left;
    white-space: pre-wrap; /* Viktigt för att behålla formatering från Wolfram */
}

/* Solution output styles */
.solution-section {
    margin-bottom: 25px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    text-align: left;
}

.solution-section h3 {
    color: #007bff;
    margin-bottom: 10px;
    font-size: 1.2em;
}

.steps-list li {
    margin-bottom: 10px;
    padding: 8px;
    background-color: #ffffff;
    border-left: 3px solid #007bff;
    border-radius: 4px;
}

.plot-image {
    max-width: 100%;
    height: auto;
    margin: 10px 0;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Success and Cancel page styles */
.success-message, .cancel-message {
    text-align: center;
    padding: 40px 20px;
}

.success-message h1 {
    color: #28a745;
    font-size: 2.5em;
    margin-bottom: 20px;
}

.cancel-message h1 {
    color: #ffc107;
    font-size: 2.5em;
    margin-bottom: 20px;
}

.back-button {
    display: inline-block;
    background-color: #007bff;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 16px;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

.back-button:hover {
    background-color: #0056b3;
}

/* Subscription prompt styles */
#subscription-prompt {
    background-color: #f8f9fa;
    border: 2px solid #007bff;
    border-radius: 10px;
    padding: 30px;
    margin-top: 20px;
    text-align: center;
}

#subscription-prompt h2 {
    color: #007bff;
    margin-bottom: 15px;
}

#subscription-prompt p {
    margin-bottom: 20px;
    font-size: 18px;
}

#checkout-button {
    background-color: #28a745;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#checkout-button:hover {
    background-color: #218838;
}