@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700&display=swap');
/* ./books/book.css
   ============================
   Terminal-Themed Book Styles
   ============================ */

/* Root Variables (same as index.css) */
:root {
    --bg-dark: #181a1f;
    --bg-panel: #20252c;
    --border-color: #3a4048;

    --neon-green: #7CFC00;
    --neon-blue: #36c2c2;
    --neon-yellow: #ffd700;

    --text-primary: #c9d1d9;
    --text-highlight: #ffffff;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    margin: 0;
    padding: 20px;
    line-height: 1.7;
    font-size: 1rem;
}

/* Header */
header {
    background-color: var(--bg-panel);
    padding: 20px;
    text-align: center;
    border-bottom: 2px solid var(--neon-green);
    margin-bottom: 30px;
}

header h1 {
    color: var(--neon-green);
    margin: 0 0 8px;
    text-shadow: 0 0 4px var(--neon-green);
    font-size: 2.2rem;
}

header h2 {
    color: var(--neon-blue);
    text-shadow: 0 0 4px var(--neon-blue);
    margin: 0;
    font-size: 1.2rem;
}

/* Chapter Containers */
.chapter {
    display: none; /* Hidden by default; toggled via JS */
    padding: 30px;
    margin: 0 auto 20px auto;
    max-width: 900px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 0 8px rgba(124, 252, 0, 0.4);
}

.chapter.active {
    display: block; /* Shown when active */
}

/* Headings */
h1, h2, h3 {
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.3;
}

h2 {
    color: var(--neon-green);
    border-bottom: 1px solid var(--neon-green);
    padding-bottom: 5px;
    margin-top: 0;
    margin-bottom: 15px;
}

h3 {
    color: var(--neon-blue);
    margin-top: 40px;
}

/* Paragraphs, Lists, etc. */
p {
    margin: 15px 0;
    font-size: 1rem;
    line-height: 1.7;
}

ul, ol {
    margin: 15px 0 15px 40px;
    line-height: 1.7;
}

/* Links */
a {
    color: var(--neon-green);
    text-decoration: none;
}

a:hover {
    color: var(--text-highlight);
}

/* Navigation Buttons (Next/Prev) */
.nav-buttons {
    text-align: center;
    margin: 20px 0;
}

.nav-buttons button {
    background-color: var(--neon-green);
    color: #000;
    border: 2px solid var(--neon-green);
    border-radius: 5px;
    padding: 10px 20px;
    margin: 0 10px;
    cursor: pointer;
    font-weight: bold;
    text-shadow: 0 0 3px var(--neon-green);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-buttons button:hover {
    background-color: var(--neon-blue);
    color: var(--text-highlight);
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: var(--bg-panel);
    color: var(--text-primary);
    border-top: 2px solid var(--neon-green);
    margin-top: 30px;
}

/* Scrollbar styling for WebKit (Chrome, Safari, Edge) */
::-webkit-scrollbar {
    width: 8px;
    background-color: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background-color: var(--neon-green);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--neon-blue);
}

/* Scrollbar styling for Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--neon-green) var(--bg-dark);
}