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

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    max-width: 800px;
    padding: 20px;
    width: 100%;
}

.game-info {
    display: flex;
    justify-content: space-between;
    margin: 20px 0;
    padding: 10px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.difficulty-select {
    margin: 20px 0;
    text-align: center;
}

button {
    padding: 10px 20px;
    margin: 0 5px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #2196f3;
    color: white;
    font-weight: bold;
}

button:hover {
    background-color: #1976d2;
}

.quiz-container {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.question-image {
    width: 100%;
    height: 300px;
    margin-bottom: 20px;
    overflow: hidden;
    border-radius: 8px;
}

.question-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.question-text {
    font-size: 1.2em;
    margin-bottom: 20px;
    text-align: center;
}

.options-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.option {
    padding: 15px;
    background-color: #f8f8f8;
    border: 2px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option:hover {
    background-color: #e8e8e8;
}

.option.correct {
    background-color: #4caf50;
    color: white;
}

.option.wrong {
    background-color: #f44336;
    color: white;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.modal-logo {
    width: 150px;
    height: auto;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .options-container {
        grid-template-columns: 1fr;
    }

    .question-image {
        height: 200px;
    }
}

.header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    position: relative;
}

.back-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: #2196f3;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.back-button:hover {
    background-color: #1976d2;
}

.back-button i {
    font-size: 16px;
}