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

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden;
}

.game-container {
    width: 90%;
    max-width: 1200px;
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    position: relative;
    min-height: 80vh;
}

h1, h2 {
    color: #333;
    text-align: center;
    margin: 20px 0;
}

.btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    border-radius: 25px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    display: inline-block;
}

.btn:hover {
    background-color: #45a049;
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.hidden {
    display: none !important;
}

/* Intro Screen */
.intro-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 40px;
    text-align: center;
}

.intro-content {
    max-width: 600px;
    margin: 0 auto;
}

/* Game Screen */
.game-screen {
    padding: 20px;
}

.question-container {
    margin-bottom: 30px;
}

.options-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.option {
    width: 45%;
    cursor: pointer;
    transition: transform 0.3s;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.option:hover {
    transform: scale(1.03);
}

.option img {
    width: 100%;
    height: auto;
    display: block;
}

/* Feedback Screen */
.feedback-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.9);
    z-index: 10;
    text-align: center;
}

.feedback {
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.feedback-image {
    max-width: 300px;
    margin-top: 20px;
}

/* Completion Screen */
.completion-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 40px;
    text-align: center;
}

.completion-content {
    max-width: 600px;
}

/* Audio Controls */
.audio-controls {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 100;
}

.audio-controls .btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
}

#audio-icon {
    font-size: 24px;
}

/* Shake Animation for Wrong Answer */
.shake {
    animation: shake 0.5s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}