/* Website-specific styles for Watt's Wrong? - Matching Cover Art Design */
:root {
    --primary-color: #1E3A8A; /* Deep electric blue from cover */
    --secondary-color: #F59E0B; /* Warning amber accent */
    --accent-color: #EF4444; /* Red for warnings */
    --text-color: #1E3A8A; /* Deep electric blue text */
    --background-color: #fff;
    --code-bg: #E5E7EB; /* Stormy gray background */
    --border-color: #D1D5DB; /* Light gray borders */
    --stormy-gray: #374151; /* Stormy gray for secondary text */
    --light-amber: #FEF3C7; /* Light amber background */
    --light-red: #FEE2E2; /* Light red background */
    --light-green: #ECFDF5; /* Light green background */
}

body {
    font-family: 'Georgia', 'Times New Roman', serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--light-amber), var(--code-bg)); /* Light amber to stormy gray gradient */
    color: var(--primary-color); /* Deep electric blue text */
    margin-bottom: 3rem;
    border: 3px solid var(--secondary-color); /* Warning amber border */
    border-radius: 8px;
}

.header h1 {
    font-size: 3rem;
    margin: 0;
    font-weight: bold;
    font-family: 'Arial Black', 'Helvetica', sans-serif; /* Bold, distressed style like cover */
}

.draft-notice {
    background: linear-gradient(135deg, var(--light-red), #FFE4E1);
    border: 3px solid var(--accent-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1rem 0;
    text-align: center;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}

.draft-notice h2 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin: 0 0 1rem 0;
    font-weight: bold;
}

.draft-notice p {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.1rem;
    line-height: 1.5;
}

.header .subtitle {
    font-size: 1.2rem;
    margin: 1rem 0 0 0;
    color: var(--stormy-gray); /* Stormy gray */
    font-weight: 500;
}

.header .author {
    font-size: 1rem;
    margin: 0.5rem 0 0 0;
    color: var(--stormy-gray); /* Stormy gray */
    font-weight: 500;
}

.cover-image {
    max-width: 300px;
    height: auto;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.navigation {
    background: var(--code-bg);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.navigation h2 {
    margin-top: 0;
    color: var(--primary-color);
}

.navigation ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.navigation li {
    margin-bottom: 0.5rem;
}

.navigation a {
    color: var(--secondary-color);
    text-decoration: none;
    padding: 0.5rem;
    display: block;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.navigation a:hover {
    background-color: var(--border-color);
}

.part-section {
    margin-bottom: 2rem;
}

.part-section h3 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.chapter {
    margin-bottom: 4rem;
}

.chapter h1 {
    color: var(--primary-color);
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
}

.chapter h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.chapter h3 {
    color: var(--stormy-gray); /* Stormy gray */
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.chapter h4 {
    color: var(--stormy-gray); /* Stormy gray */
    margin-top: 1.2rem;
    margin-bottom: 0.6rem;
    font-weight: 600;
}

.chapter p {
    margin-bottom: 1rem;
    text-align: justify;
    color: var(--text-color); /* Deep electric blue */
}

.chapter ul, .chapter ol {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.chapter li {
    margin-bottom: 0.5rem;
    color: var(--text-color); /* Deep electric blue */
}

.chapter blockquote {
    border-left: 4px solid var(--secondary-color); /* Warning amber accent */
    margin: 1.5rem 0;
    padding: 0.5rem 1rem;
    background-color: var(--light-amber); /* Light amber background */
    font-style: italic;
    color: var(--primary-color); /* Deep electric blue text */
}

.chapter code {
    font-family: 'Courier New', monospace;
    background-color: var(--code-bg); /* Stormy gray background */
    color: var(--primary-color); /* Deep electric blue text */
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    border: 1px solid var(--border-color);
}

.chapter pre {
    background-color: #F3F4F6; /* Light stormy gray */
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--secondary-color); /* Warning amber accent */
    border-radius: 5px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1.5rem 0;
}

.chapter pre code {
    background-color: transparent;
    padding: 0;
}

.chapter hr {
    border: none;
    border-top: 3px solid var(--secondary-color); /* Warning amber accent */
    margin: 3rem 0;
}

.chapter-nav {
    display: flex;
    justify-content: space-between;
    margin: 3rem 0;
    padding: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.chapter-nav a {
    color: var(--secondary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    transition: all 0.2s;
}

.chapter-nav a:hover {
    background-color: var(--secondary-color);
    color: white;
}

.chapter-nav .disabled {
    color: var(--border-color);
    border-color: var(--border-color);
    pointer-events: none;
}

.footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-color);
    opacity: 0.7;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .header .subtitle {
        font-size: 1rem;
    }
    
    .chapter h1 {
        font-size: 1.8rem;
    }
    
    .chapter h2 {
        font-size: 1.5rem;
    }
}