/* Common styles for all training modules */
:root {
    /* Color Variables */
    --bg-color: #14191f; /* Dark blue-black background */
    --text-color: #f0f0f0; /* Bright text */
    --button-color: #3c3c46; /* Darker button for dark theme */
    --button-hover-color: #4a4a56; /* Lighter when hovering */
    --button-text-color: #f0f0f0; /* White text on buttons */
    --highlight-color: rgba(255, 255, 0, 0.4); /* Yellow with transparency */
    --success-color: #32ff32; /* Bright green */
    --error-color: #ff3232; /* Bright red */
    --primary-color: #0078ff; /* Bright blue for primary elements */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
    margin: 0 auto;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--text-color);
}

.screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    min-height: 80vh;
}

.hidden {
    display: none;
}

.button {
    background-color: var(--button-color);
    color: var(--button-text-color);
    border: 2px solid rgba(100, 100, 120, 0.8);
    padding: 12px 30px;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 2rem;
    transition: background-color 0.3s, transform 0.2s;
    font-weight: bold;
}

.button:hover {
    background-color: var(--button-hover-color);
    transform: scale(1.05);
}

.instructions {
    text-align: center;
    max-width: 600px;
    margin: 2rem auto;
}

.instructions p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.stats {
    display: flex;
    justify-content: space-between;
    width: 80%;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.score-display {
    font-size: 1.5rem;
    margin: 1rem 0 2rem;
    font-weight: bold;
}

.instruction {
    margin-bottom: 2rem;
    font-size: 1.2rem;
    text-align: center;
}

/* Responsive design */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    
    .stats {
        width: 100%;
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .instructions p {
        font-size: 0.9rem;
    }
}