/* --- START OF FILE style.css --- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Custom Scrollbar mit Mint-Thema */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #2d2d2d;
}
::-webkit-scrollbar-thumb {
    background: #10b981; /* Mint-Ton */
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #10b981; /* Dunklerer Mint-Ton */
}

body {
    font-family: 'Inter', sans-serif; 
    background-color: #1e1e1e; 
    color: #f0f0f0; 
    line-height: 1.6; 
}
.navbar {
    background-color: #2c3e50; 
}
.nav-link {
    color: #ecf0f1; 
    transition: color 0.3s ease, background-color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem; 
}
.nav-link:hover, .nav-link.active {
    background-color: #10b981; /* Mint-Ton */
    color: #1e1e1e; 
}
.brand-icon { /* Umbenannt von java-bean-icon */
    color: #10b981; /* Mint-Ton */
    margin-right: 8px; 
}
.content-section {
    display: none; 
    padding: 2rem; 
    border-radius: 0.5rem; 
    background-color: #2d2d2d; 
    margin-top: 1rem; 
}
.content-section.active {
    display: block;
}
.button-primary { /* Umbenannt von button-java */
    background-color: #10b981; /* Mint-Ton */
    color: #1e1e1e;
    padding: 0.75rem 1.5rem; 
    border-radius: 0.375rem; 
    font-weight: bold; 
    transition: background-color 0.3s ease;
    border: none; 
    cursor: pointer;
}
.button-primary:hover {
    background-color: #10b981; /* Dunklerer Mint-Ton */
}
.card {
    background-color: #3c3c3c;
    border-radius: 0.5rem; 
    padding: 1.5rem; 
    box-shadow: 0 4px 6px rgba(0,0,0,0.1); 
}
h1, h2, h3, h4, h5, h6 { 
    color: #10b981; /* Mint-Ton */
    margin-bottom: 0.75rem; 
}
.content-section > h1:first-child { 
    font-size: 2.25rem; 
    margin-bottom: 1.5rem; 
    border-bottom: 2px solid #4a5568;
    padding-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem; 
    color: #d1d5db; 
}
ul, ol {
    margin-left: 1.5rem; 
    margin-bottom: 1rem;
}
li {
    margin-bottom: 0.25rem;
}

/* === PrismJS Line Numbers Korrekturen START === */
pre[class*="language-"].line-numbers {
    position: relative;
    padding-left: 0; 
    counter-reset: linenumber;
    background-color: #2d2d2d; 
    border-radius: 0.375rem; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.2); 
    margin-top: 1rem;
    margin-bottom: 1rem;
    border: 1px solid #4a5568; 
    overflow: auto; 
}

pre[class*="language-"] code, 
pre[class*="language-"] span { 
    line-height: 1.5; 
}

pre[class*="language-"] code { 
    position: relative; 
    display: block; 
    padding: 0.8em 1em 0.8em 3.8em; 
    color: #f8f8f2; 
    font-family: 'Fira Code', 'Courier New', monospace; 
    font-size: 0.9em; 
    white-space: pre; 
}

.line-numbers .line-numbers-rows {
    position: absolute;
    pointer-events: none;
    top: 0.8em; 
    left: 0;    
    width: 3.8em; 
    letter-spacing: -1px;
    border-right: 1px solid #555; 
    user-select: none;
    font-size: 0.9em; 
}

.line-numbers-rows > span {
    display: block;
    counter-increment: linenumber;
    line-height: 1.5; 
}

.line-numbers-rows > span:before {
    content: counter(linenumber);
    color: #888; 
    display: block;
    padding-right: 0.8em; 
    text-align: right;
    line-height: inherit; 
}
/* === PrismJS Line Numbers Korrekturen END === */


/* Styling für Java Tutorial ToC (intern) */
.toc-java a {
    color: #f0f0f0;
    transition: color 0.3s;
    display: block; 
    padding: 0.25rem 0;
}
.toc-java ul ul a { 
    font-size: 0.9em;
    padding-left: 1rem; 
}
.toc-java a:hover,
.toc-java a.active-toc-link { 
    color: #10b981; /* Mint-Ton */
    font-weight: bold;
}
.toc-java .border-t { 
    border-color: #4a5568; 
}
.toc-java h3 { 
    font-size: 1.1em;
    margin-top: 0.5rem;
}


/* Styling für den Grid-Bereich mit CSS Snippets und JS Helfer (Webdesign Sektion) */
.snippet-grid {
    max-height: 600px; 
    overflow-y: auto; 
}
.text-shadow-custom { 
    text-shadow:
        2px 2px 2px rgba(0,0,0,0.5), 
        0 0 5px rgba(52, 211, 153, 0.7); /* Mint-Ton Glow */
}


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


/* 
=============================================================================
   STYLING FÜR EXTERN GELADENE TUTORIAL-INHALTE (innerhalb von #external-java-tutorial)
=============================================================================
*/

#external-java-tutorial .container { 
    max-width: 100%; 
    margin: 0;
    background: transparent; 
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
    padding: 0; 
}

#external-java-tutorial .header { 
    background: none; 
    color: #f0f0f0; 
    padding: 0 0 1.5rem 0; 
    text-align: left; 
    border-bottom: 1px solid #4a5568; 
    margin-bottom: 1.5rem; 
}
#external-java-tutorial .header h1 { 
    color: #10b981; /* Mint-Ton */
    font-size: 2rem; 
    margin-bottom: 0.5rem; 
    border-bottom: none; 
    padding-bottom: 0;
    text-align: left; 
    text-shadow: none; 
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
}
#external-java-tutorial .header p { 
    color: #a0aec0; 
    font-size: 1rem; 
    margin-bottom: 0;
    text-align: left;
}
#external-java-tutorial > h1:first-child { 
    color: #10b981; /* Mint-Ton */
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.25rem; 
    text-shadow: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background: none;
    border-bottom: 2px solid #4a5568; 
    padding-bottom: 0.75rem;
}


#external-java-tutorial .content,
#external-java-tutorial .tab-panel,
#external-java-tutorial .content-section { 
    display: none; 
}
#external-java-tutorial .content.active,
#external-java-tutorial .tab-panel.active,
#external-java-tutorial .content-section.active { 
    display: block;
    padding-top: 1.5rem; 
    animation: fadeIn 0.4s ease-out;
}
@keyframes fadeIn { 
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}


/* Allgemeine Sektionen/Karten in externen Tutorials */
#external-java-tutorial .section, #external-java-tutorial .intro,
#external-java-tutorial .collection-card, #external-java-tutorial .comparison-table, 
#external-java-tutorial .step, #external-java-tutorial .topic-card, 
#external-java-tutorial .interactive-section, #external-java-tutorial .interactive-demo, 
#external-java-tutorial .demo-section, #external-java-tutorial .info-box, 
#external-java-tutorial .concept-card, #external-java-tutorial .annotation-card,
#external-java-tutorial .example, #external-java-tutorial .feature-box,
#external-java-tutorial .best-practice, #external-java-tutorial .memory-tip,
#external-java-tutorial .exercise {
    margin-bottom: 2rem; 
    padding: 1.5rem; 
    border-radius: 0.5rem; 
    background-color: #3c3c3c; 
    border-left: 4px solid #10b981; /* Mint-Ton */
    color: #d1d5db; 
}
#external-java-tutorial .demo-section:hover, 
#external-java-tutorial .topic-card:hover,
#external-java-tutorial .collection-card:hover,
#external-java-tutorial .info-box:hover,
#external-java-tutorial .concept-card:hover,
#external-java-tutorial .annotation-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}
#external-java-tutorial .concept-card:hover {
    transform: translateX(3px);
}


#external-java-tutorial .section h2, #external-java-tutorial .intro h2, 
#external-java-tutorial .comparison-table h2, #external-java-tutorial .interactive-section h2, 
#external-java-tutorial .demo-section .demo-title, #external-java-tutorial .content > h2:first-child, 
#external-java-tutorial .tab-panel > h2:first-child, 
#external-java-tutorial .content-section > .section-title, 
#external-java-tutorial .section > h2 {
    color: #10b981; /* Mint-Ton */
    font-size: 1.5rem; 
    margin-bottom: 1rem; 
    display: flex; 
    align-items: center;
}
#external-java-tutorial .content-section > .section-title, 
#external-java-tutorial .section > h2 {
    font-size: 1.75rem;
    border-bottom: 2px solid #4a5568;
    padding-bottom: 0.5rem;
}


#external-java-tutorial .demo-section .demo-title::before, 
#external-java-tutorial .info-box h3,
#external-java-tutorial .concept-card h3,
#external-java-tutorial .annotation-card h3,
#external-java-tutorial .example h4 {
    color: #10b981; /* Mint-Ton */
}
#external-java-tutorial .info-box h3,
#external-java-tutorial .concept-card h3,
#external-java-tutorial .annotation-card h3 { 
     font-size: 1.25rem; 
     margin-bottom: 1rem;
}


#external-java-tutorial .section h3, #external-java-tutorial .intro h3, 
#external-java-tutorial .collection-card .collection-title, 
#external-java-tutorial .topic-card .topic-title, 
#external-java-tutorial .input-section h3, 
#external-java-tutorial .output-section h3, 
#external-java-tutorial .content > h3, 
#external-java-tutorial .tab-panel > h3, 
#external-java-tutorial .concept-card .concept-title { 
    color: #10b981; /* Mint-Ton */
    font-size: 1.25rem; 
    font-weight: 600; 
    margin-top: 0; 
    margin-bottom: 0.75rem;
}
#external-java-tutorial .topic-card .topic-icon,
#external-java-tutorial .collection-card .collection-icon,
#external-java-tutorial .concept-card .concept-icon {
    margin-right: 0.5rem;
    font-size: 1.2em; 
}

#external-java-tutorial .section p, #external-java-tutorial .intro p,
#external-java-tutorial .collection-card .collection-description, 
#external-java-tutorial .step p, #external-java-tutorial .topic-card .topic-description,
#external-java-tutorial .demo-section p, #external-java-tutorial .content > p,
#external-java-tutorial .tab-panel > p, #external-java-tutorial .info-box p,
#external-java-tutorial .concept-card p, #external-java-tutorial .section p,
#external-java-tutorial .annotation-card p, #external-java-tutorial .example p { 
    color: #d1d5db; 
    line-height: 1.7; 
    margin-bottom: 0.75rem;
    font-size: 0.95rem; 
}
#external-java-tutorial ul, #external-java-tutorial ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    color: #d1d5db;
}
#external-java-tutorial li {
    margin-bottom: 0.5rem;
}

/* Spezifische Elemente */
#external-java-tutorial .analogy, #external-java-tutorial .highlight,
#external-java-tutorial .demo-section .highlight, #external-java-tutorial .analogy-box,
#external-java-tutorial .memory-tip { 
    background-color: #353535; 
    color: #f0f0f0;
    border-radius: 0.375rem; 
    padding: 1rem;
    margin: 1.5rem 0; 
}
#external-java-tutorial .analogy { border-left: 4px solid #74b9ff; }
#external-java-tutorial .analogy strong { color: #a8d1ff; } 
#external-java-tutorial .highlight { border-left: 4px solid #ffeaa7; } 
#external-java-tutorial .highlight strong { color: #fff1c5; }
#external-java-tutorial span.highlight {
    background-color: #4a3b1d; color: #ffebcc; padding: 2px 6px;
    border-radius: 4px; font-weight: 600; border-left: none; margin: 0; 
}
#external-java-tutorial .demo-section .highlight { border-left: 4px solid #ed8936; }
#external-java-tutorial .demo-section .highlight strong { color: #fbd38d; }
#external-java-tutorial .demo-section .highlight ul { margin-left: 1rem; color: #ffebcc;}
#external-java-tutorial .demo-section .highlight li::marker { color: #fbd38d;}
#external-java-tutorial .analogy-box {
    background: linear-gradient(135deg, #2d5a52 0%, #1a7d65 100%); /* Mint-Gradient */
    border-left: 4px solid #10b981; /* Mint-Ton */
}
#external-java-tutorial .analogy-box h4,
#external-java-tutorial .analogy-title {
    margin-bottom: 0.75rem; font-size: 1.2em; color: #a7f3d0; font-weight: bold;
}

#external-java-tutorial .step strong { color: #a7f3d0; } 
#external-java-tutorial .step-container { margin: 1.5rem 0; }
#external-java-tutorial .step { 
    background-color: #353535; border: 1px solid #4a5568; border-radius: 0.5rem; 
    padding: 1.25rem; padding-left: 3rem; margin: 1rem 0; position: relative;
    transition: all 0.2s ease; border-left-width: 1px; 
}
#external-java-tutorial .step:hover { border-color: #10b981; transform: translateX(3px); } /* Mint-Ton */
#external-java-tutorial .step-number {
    position: absolute; top: 1.25rem; left: -15px; background-color: #10b981; /* Mint-Ton */
    color: #1e1e1e; width: 30px; height: 30px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold; box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
#external-java-tutorial .step h4 { color: #e2e8f0; margin-bottom: 0.5rem;}


#external-java-tutorial .comparison { 
    display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin: 1.5rem 0;
}
@media (min-width: 768px) { #external-java-tutorial .comparison { grid-template-columns: 1fr 1fr; } }
#external-java-tutorial .old-way, #external-java-tutorial .new-way, #external-java-tutorial .record-way {
    padding: 1.5rem; border-radius: 0.5rem; 
}
#external-java-tutorial .comparison .old-way { 
    background-color: #4a2c2c; border-left: 4px solid #f44336; color: #f0f0f0; 
}
#external-java-tutorial .comparison .old-way h3 { color: #fecaca; margin-bottom: 0.75rem; } 
#external-java-tutorial .comparison .new-way { 
    background-color: #2c4a2c; border-left: 4px solid #4caf50; color: #f0f0f0; 
}
#external-java-tutorial .comparison .new-way h3 { color: #bbf7d0; margin-bottom: 0.75rem; } 
#external-java-tutorial .demo-section .comparison .old-way {
    background-color: #fed7d7; border-left: 5px solid #e53e3e; color: #333; 
}
#external-java-tutorial .demo-section .comparison .old-way h3 { color: #c53030; }
#external-java-tutorial .demo-section .comparison .record-way {
    background-color: #c6f6d5; border-left: 5px solid #38a169; color: #333; 
}
#external-java-tutorial .demo-section .comparison .record-way h3 { color: #2f855a; }
#external-java-tutorial .demo-section .comparison p { 
    text-align: center; font-weight: bold; margin-top: 10px; color: #333; 
}


/* Interaktive Demos */
#external-java-tutorial .interactive-demo h3, 
#external-java-tutorial .input-section h3, 
#external-java-tutorial .output-section h3 { 
    color: #10b981; /* Mint-Ton */
    margin-bottom: 1rem; font-size: 1.1rem;
} 
#external-java-tutorial .demo-input,
#external-java-tutorial input[type="text"], 
#external-java-tutorial select {
    background-color: #2d3748; color: #e2e8f0; border: 1px solid #4a5568; 
    padding: 0.75rem; border-radius: 0.375rem; width: 100%; margin-bottom: 1rem; 
    font-size: 0.9rem;
}
#external-java-tutorial .demo-input::placeholder { color: #a0aec0; }
#external-java-tutorial input[type="text"]:focus, #external-java-tutorial select:focus {
    outline: none; border-color: #10b981; box-shadow: 0 0 0 2px rgba(52, 211, 153, 0.3); /* Mint-Ton */
}
#external-java-tutorial .interactive-demo { 
    background-color: #2d2d2d; border: 1px solid #4a5568; text-align: center;
}
#external-java-tutorial .interactive-demo .output { 
    background-color: #1e1e1e; color: #e2e8f0; padding: 1rem; 
    border-radius: 0.375rem; margin-top: 1rem; 
    font-family: 'Fira Code', 'Courier New', monospace; min-height: 60px; text-align: left;
}


/* Buttons (allgemein für externe Seiten) */
#external-java-tutorial .demo-button, #external-java-tutorial .btn,
#external-java-tutorial .try-button, #external-java-tutorial .interactive-area button,
#external-java-tutorial .tabs .tab, #external-java-tutorial .nav-tabs .nav-tab,
#external-java-tutorial .navigation .nav-btn, #external-java-tutorial .copy-btn,
#external-java-tutorial .copy-button, #external-java-tutorial .interactive-demo .demo-btn,
#external-java-tutorial .nav-buttons .nav-btn, #external-java-tutorial .topic-nav .nav-btn {
    background-color: #10b981; /* Mint-Ton */
    color: #1e1e1e; padding: 0.65rem 1.25rem; 
    border-radius: 0.375rem; font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s;
    border: none; cursor: pointer; font-size: 0.9rem; margin: 0.5rem 0.25rem; 
}
#external-java-tutorial .demo-button:hover, #external-java-tutorial .btn:hover,
#external-java-tutorial .try-button:hover, #external-java-tutorial .interactive-area button:hover,
#external-java-tutorial .tabs .tab:hover, #external-java-tutorial .nav-tabs .nav-tab:hover,
#external-java-tutorial .navigation .nav-btn:hover,
#external-java-tutorial .copy-btn:hover, #external-java-tutorial .copy-button:hover,
#external-java-tutorial .interactive-demo .demo-btn:hover,
#external-java-tutorial .nav-buttons .nav-btn:hover, #external-java-tutorial .topic-nav .nav-btn:hover {
    background-color: #10b981; /* Dunklerer Mint-Ton */
    transform: translateY(-1px);
}
#external-java-tutorial .try-button, #external-java-tutorial .interactive-area button,
#external-java-tutorial .interactive-demo .demo-btn { 
    padding: 0.6rem 1.2rem; border-radius: 9999px; margin-top: 0.75rem; 
}
#external-java-tutorial .try-button:hover, #external-java-tutorial .interactive-area button:hover,
#external-java-tutorial .interactive-demo .demo-btn:hover {
    transform: scale(1.03); box-shadow: 0 4px 10px rgba(52, 211, 153, 0.3); /* Mint-Ton */
}

/* Tab-Styling (übergreifend) */
#external-java-tutorial .tabs .tab, 
#external-java-tutorial .nav-tabs .nav-tab,
#external-java-tutorial .navigation .nav-btn,
#external-java-tutorial .nav-buttons .nav-btn,
#external-java-tutorial .topic-nav .nav-btn {
    padding: 0.65rem 1.25rem; background-color: #3c3c3c; color: #e2e8f0; 
    border-radius: 0.375rem 0.375rem 0 0; font-weight: 500; margin: 0; 
}
#external-java-tutorial .tabs .tab:hover, 
#external-java-tutorial .nav-tabs .nav-tab:hover,
#external-java-tutorial .navigation .nav-btn:hover,
#external-java-tutorial .nav-buttons .nav-btn:hover,
#external-java-tutorial .topic-nav .nav-btn:hover {
    background-color: #4a5568; transform: none; 
}
#external-java-tutorial .tabs .tab.active, 
#external-java-tutorial .nav-tabs .nav-tab.active,
#external-java-tutorial .navigation .nav-btn.active,
#external-java-tutorial .nav-buttons .nav-btn.active,
#external-java-tutorial .topic-nav .nav-btn.active {
    background-color: #10b981; /* Mint-Ton */
    color: #1e1e1e; box-shadow: none; transform: none;
}
#external-java-tutorial .tabs, #external-java-tutorial .nav-tabs, #external-java-tutorial .navigation,
#external-java-tutorial .nav-buttons, #external-java-tutorial .topic-nav {
    justify-content: center; border-bottom: 2px solid #4a5568; padding-bottom: 0;
    gap: 0.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; display: flex;
}
#external-java-tutorial .topic-nav { /* Grid statt Flex für datenstrukturen.html */
    display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}


/* Copy Buttons */
#external-java-tutorial .copy-btn, #external-java-tutorial .copy-button {
    position: absolute; top: 0.5rem; right: 0.5rem; padding: 0.3rem 0.6rem; 
    font-size: 0.75rem; z-index: 10; 
}


#external-java-tutorial .result {
    background-color: #2d2d2d; color: #f0f0f0; border: 1px solid #10b981; /* Mint-Ton */
    padding: 1rem; border-radius: 0.375rem; margin-top: 1rem; 
    min-height: 80px; font-family: 'Fira Code', 'Courier New', monospace; 
    white-space: pre-wrap; font-size: 0.875rem;
}
#external-java-tutorial .result code {
    background-color: #3c3c3c; color: #e2e8f0; padding: 0.25rem 0.5rem; 
    border-radius: 0.25rem; display: block; margin-top: 0.5rem; white-space: pre-wrap;
}
#external-java-tutorial .output.show { display: block; animation: slideIn 0.3s ease-out; }


/* Tabellen */
#external-java-tutorial table, #external-java-tutorial .ide-table, #external-java-tutorial .comparison-table {
    width: 100%; border-collapse: collapse; margin: 1.5rem 0;
    border: 1px solid #4a5568; background-color: #3c3c3c; 
    border-radius: 0.5rem; overflow: hidden; 
}
#external-java-tutorial th, #external-java-tutorial td,
#external-java-tutorial .ide-table th, #external-java-tutorial .ide-table td,
#external-java-tutorial .comparison-table th, #external-java-tutorial .comparison-table td {
    padding: 1rem; text-align: left; border: 1px solid #4a5568; color: #d1d5db;
}
#external-java-tutorial th, #external-java-tutorial .ide-table th, #external-java-tutorial .comparison-table th {
    background-color: #2c3e50; color: #ecf0f1; font-weight: 600;
}
#external-java-tutorial tr:hover td, #external-java-tutorial .ide-table tr:hover td,
#external-java-tutorial .comparison-table tr:hover td { 
    background-color: #4a5568; color: #f0f0f0; 
}
#external-java-tutorial table code { 
    background-color: #4a5568; color: #e2e8f0; padding: 0.1em 0.4em; border-radius: 0.25rem;
    font-family: 'Fira Code', 'Courier New', monospace; font-size: 0.9em;
}

/* Warnung / Success Boxen */
#external-java-tutorial .warning, #external-java-tutorial .success,
#external-java-tutorial .warning-box, #external-java-tutorial .success-box,
#external-java-tutorial .tip {
    padding: 1rem; margin: 1.5rem 0; border-radius: 0.375rem; 
}
#external-java-tutorial .warning, #external-java-tutorial .warning-box {
    background-color: #4a2c2c; border-left: 4px solid #fc8181; color: #fecaca; 
}
#external-java-tutorial .success, #external-java-tutorial .success-box {
    background-color: #2c4a2c; border-left: 4px solid #48bb78; color: #bbf7d0; 
}
#external-java-tutorial .tip {
    background-color: #2d5a52; border: 1px solid #10b981; border-left-width: 4px; color: #a7f3d0; 
}
#external-java-tutorial .tip strong { color: #a7f3d0; }
#external-java-tutorial .warning code, #external-java-tutorial .success code,
#external-java-tutorial .warning-box code, #external-java-tutorial .success-box code {
    background-color: rgba(0,0,0,0.2); padding: 0.1em 0.4em; border-radius: 0.25rem;
}

/* Pro / Con Grid */
#external-java-tutorial .pro-con-grid,
#external-java-tutorial .pros-cons { 
    display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin: 1.5rem 0;
}
@media (min-width: 768px) { 
    #external-java-tutorial .pro-con-grid,
    #external-java-tutorial .pros-cons { grid-template-columns: 1fr 1fr; } 
}
#external-java-tutorial .pro-box, #external-java-tutorial .con-box,
#external-java-tutorial .pros, #external-java-tutorial .cons {
    padding: 1.25rem; border-radius: 0.5rem; 
}
#external-java-tutorial .pro-box, #external-java-tutorial .pros {
    background-color: #2c4a2c; border: 1px solid #48bb78; color: #bbf7d0;
}
#external-java-tutorial .pro-box h4, #external-java-tutorial .pros h4 { color: #6ee7b7; } 
#external-java-tutorial .con-box, #external-java-tutorial .cons {
    background-color: #4a2c2c; border: 1px solid #f56565; color: #fecaca;
}
#external-java-tutorial .con-box h4, #external-java-tutorial .cons h4 { color: #fda4af; } 
#external-java-tutorial .pro-box ul, #external-java-tutorial .con-box ul,
#external-java-tutorial .pros ul, #external-java-tutorial .cons ul {
    list-style-type: disc; padding-left: 1.25rem; 
}

/* Progress Bar & Next/Prev Buttons mit Mint-Thema */
#external-java-tutorial .progress-bar { 
    background-color: #4a5568; border-radius: 0.5rem; height: 8px; 
    margin: 1.5rem auto; overflow: hidden; max-width: 600px; 
}
#external-java-tutorial .progress-fill { /* Allgemeine progress-fill Klasse */
    background: linear-gradient(90deg, #10b981, #10b981); /* Mint-Gradient */
    height: 100%;
    width: 0%; transition: width 0.5s ease-in-out;
}
#external-java-tutorial .next-prev-buttons { 
    display: flex; justify-content: space-between; margin-top: 2rem; 
}
#external-java-tutorial .next-prev-buttons .nav-button { 
    background: linear-gradient(135deg, #10b981 0%, #10b981 100%); /* Mint-Gradient */
    color: #1e1e1e; 
    border: none; padding: 0.75rem 1.5rem; border-radius: 9999px; 
    cursor: pointer; transition: all 0.2s ease; font-size: 1rem; font-weight: 600; 
}
#external-java-tutorial .next-prev-buttons .nav-button:hover {
    transform: translateY(-2px); box-shadow: 0 5px 15px rgba(52, 211, 153, 0.3); /* Mint-Schatten */
}
#external-java-tutorial .next-prev-buttons .nav-button:disabled {
    opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none;
}

/* === NEUE/ANGEPASSTE STYLES FÜR datenstrukturen.html === */
#external-java-tutorial .topic-nav .nav-btn.active {
    background: linear-gradient(45deg, #10b981, #10b981); /* Mint-Gradient */
    color: #1e1e1e; 
    box-shadow: 0 3px 10px rgba(52, 211, 153, 0.2); 
    border-color: #10b981; /* Mint-Ton */
}
#external-java-tutorial .interactive-demo {
    border: 1px dashed #10b981; /* Mint-Ton */
}
#external-java-tutorial .interactive-demo .demo-btn {
    background-color: #10b981; /* Mint-Ton */
    color: #1e1e1e;
}
#external-java-tutorial .interactive-demo .demo-btn:hover {
    background-color: #10b981; /* Dunklerer Mint-Ton */
}
#external-java-tutorial .tips li::before {
    content: "✅"; /* Grüner Haken statt Glühbirne */
    position: absolute;
    left: 0;
    color: #10b981;
}


/* === STYLES FÜR java_exceptions.html === */
#external-java-tutorial .nav-buttons .nav-btn.active {
    background-color: #10b981; /* Mint-Ton */
    color: #1e1e1e;
}

#external-java-tutorial .error-example {
    background-color: #4a2c2c; /* Dunkelrot */
    border: 1px solid #f5c6cb; /* Hellerer roter Rand */
    color: #fecaca; /* Heller roter Text */
    padding: 1rem;
    border-radius: 0.375rem;
    margin: 1rem 0;
}
#external-java-tutorial .success-example {
    background-color: #2c4a2c; /* Dunkelgrün */
    border: 1px solid #c3e6cb; /* Hellerer grüner Rand */
    color: #bbf7d0; /* Heller grüner Text */
    padding: 1rem;
    border-radius: 0.375rem;
    margin: 1rem 0;
}

#external-java-tutorial .hierarchy { 
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem; 
    margin: 1.5rem 0;
}
#external-java-tutorial .hierarchy-box {
    background-color: #2c3e50;
    color: white;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    text-align: center;
    position: relative;
    min-width: 180px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
#external-java-tutorial .hierarchy-box::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 10px solid #2c3e50;
}
#external-java-tutorial .hierarchy-box:last-child::after,
#external-java-tutorial .hierarchy-level:last-of-type .hierarchy-box::after {
    display: none;
}
#external-java-tutorial .hierarchy-level {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
}
#external-java-tutorial .hierarchy-box p {
    font-size: 0.8em;
    color: #bdc3c7;
    margin-bottom: 0;
}