:root {
    --primary-color: #007bff; /* Professionelles Blau */
    --background-color: #ffffff; /* Heller Hintergrund */
    --text-color: #212529; /* Dunkler, lesbarer Text */
    --card-background: #f8f9fa; /* Leicht grauer Kartenhintergrund */
    --border-color: #dee2e6;
    --code-background: #f1f3f5; /* Heller Code-Hintergrund */
    --primary-glow: rgba(0, 123, 255, 0.15);
}
body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 40px;
    line-height: 1.7;
    font-size: 16px;
}
.container {
    max-width: 1200px;
    margin: auto;
}
h1, h2, h3, h4 {
    color: #1a1a1a;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    font-weight: 700;
}
.main-header {
    text-align: center;
    border-bottom: none;
    margin-bottom: 60px;
    font-size: 2.5em;
    color: var(--text-color);
}
#toc {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 25px 35px;
    border-radius: 12px;
    margin-bottom: 60px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
#toc ul {
    list-style-type: none;
    padding: 0;
    columns: 2;
}
#toc li {
    margin-bottom: 12px;
}
#toc a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
}
#toc a:hover {
    text-decoration: underline;
}
.module-chapter {
    margin-bottom: 80px;
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
}
.import-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}
.import-card {
    background: var(--card-background);
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 10px 18px;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-weight: 500;
    font-size: 0.9em;
    transition: all 0.2s ease-in-out;
}
.import-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--primary-glow);
    border-color: var(--primary-color);
}
.code-block {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 25px;
    background-color: var(--code-background);
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    align-items: start;
    overflow: hidden;
}
.explanation {
    font-size: 0.95em;
    color: #495057;
}
.explanation p { margin: 0 0: 10px 0; }
.explanation strong { color: var(--primary-color); font-weight: 600; }
.explanation code { 
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    color: #c92a2a;
    padding: 2px 5px; 
    border-radius: 3px; 
    font-weight: 600;
}
pre[class*="language-"] {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-size: 0.9em;
    background-color: transparent !important; /* WICHTIG: Macht den Hintergrund transparent */
}
/* ----- NEU: Angepasstes PRISM Theme für hellen Hintergrund ----- */
code[class*="language-"],
pre[class*="language-"] {
	color: #393A34;
}
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
	color: #999;
}
.token.punctuation {
	color: #393A34;
}
.token.namespace {
	opacity: .7;
}
.token.property,
.token.tag,
.token.boolean,
.token.number,
.token.constant,
.token.symbol,
.token.deleted {
	color: #990055;
}
.token.selector,
.token.attr-name,
.token.string,
.token.char,
.token.builtin,
.token.inserted {
	color: #66a500;
}
.token.operator,
.token.entity,
.token.url,
.language-css .token.string,
.style .token.string {
	color: #36acaa;
}
.token.atrule,
.token.attr-value,
.token.keyword {
	color: #0077aa;
}
.token.function,
.token.class-name {
	color: #DD4A68;
}
.token.regex,
.token.important,
.token.variable {
	color: #ee9900;
}