/* Basic Styles */
body {
    font-family: Arial, sans-serif;
    background-color: #f0f8ff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #333;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 700px;
    text-align: center;
}

h1, h2 {
    color: #0056b3;
}

.screen {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hidden {
    display: none;
}

/* Buttons */
.btn {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    margin-top: 20px;
}

.btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

/* Game Screen Specifics */
#hud {
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 20px;
}

#hud-item {
    text-align: center;
}

.hud-prefix {
    font-size: 1em;
    color: #666;
}

.hud-main-text {
    margin: 0;
    font-size: 1.8em;
}

#question {
    margin-bottom: 30px;
    font-size: 1.5em;
    font-weight: normal;
    line-height: 1.5;
}

#question span {
    font-weight: bold;
    color: #d9534f;
    border-bottom: 2px dashed #d9534f;
}

#options-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    width: 100%;
    margin-bottom: 20px;
}

.option-btn {
    background-color: #f8f9fa;
    color: #333;
    border: 2px solid #ddd;
    padding: 15px;
    border-radius: 8px;
    font-size: 1.2em;
    cursor: pointer;
    transition: all 0.3s;
}

.option-btn:hover:not(:disabled) {
    background-color: #e2e6ea;
    border-color: #007bff;
}

.option-btn:disabled {
    cursor: not-allowed;
}

/* Feedback Styles */
.correct {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.incorrect {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

#feedback-container {
    width: 100%;
    padding: 15px;
    margin-top: 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

#feedback-text {
    font-size: 1.3em;
    font-weight: bold;
    margin: 0 0 10px 0;
}
#explanation-text {
    font-size: 1.1em;
    margin: 0;
    line-height: 1.4;
}