/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
}

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

.cta-button {
    background: linear-gradient(45deg, #00ff88, #00cc6a);
    color: #000;
    border: none;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.4);
}

.career-path {
    margin-top: 1rem;
    color: #ccc;
    font-size: 1.1rem;
}
.career-path a {
    color: #00ff88;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.career-path a:hover {
    color: #00cc6a;
}

.career-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.cert-info {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
}

.certification-info:hover {
    transform: translateY(-5px);
    border-color: #00ff88;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

/* Course Overview */
.course-actions {
    text-align: center;
    margin-bottom: 2rem;
}

.course-overview {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.course-overview h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 3rem;
}
.course-description {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #00ff88;
}

.course-description h3 {
    color: #00ff88;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.course-description ul {
    list-style: none;
    color: #ccc;
}

.course-description li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.course-description li:before {
    content: "✓";
    color: #00ff88;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.curriculum {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.curriculum h3 {
    color: #00ff88;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.curriculum p {
    color: #ccc;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.curriculum-preview {
    text-align: center;
    margin-top: 2rem;
}
.curriculum-preview img {
    max-width: 100%;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.2);
}

.course-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.course-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.course-footer {
    text-align: center;
    margin-top: 3rem;
    color: #ccc;
    font-size: 0.9rem;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #00ff88;
}

.course-content {
    margin-top: 2rem;
    text-align: left;
    color: #ccc;
    line-height: 1.8;
}

.course-overview-page h1 {
    text-align: center;
    font-size: 3rem;
    color: #fff;
    margin-bottom: 1rem;
}

.course-header p {
    text-align: center;
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Error and Warning Styles */
.error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff0000;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #ff0000;
}

/* Features Section */
.feature {
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    border-color: #00ff88;
}
.feature-icon {
    font-size: 3rem;
    color: #00ff88;
    margin-bottom: 1rem;
}
.feature h3 {
    color: #00ff88;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature p {
    color: #ccc;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.features {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.feature-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #00ff88;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.feature-card h3 {
    color: #00ff88;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #ccc;    
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.8);
    padding: 2rem 0;
    text-align: center;
    color: #ccc;
    border-top: 1px solid rgba(0, 255, 136, 0.3);
}

footer p {
    margin-bottom: 0.5rem;
}

footer a {
    color: #00ff88;
    text-decoration: none;
}


.footer-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}
.footer-links {
    margin-top: 1rem;
}
.footer-links a {
    margin: 0 10px;
    color: #00ff88;
    text-decoration: none;
}
.footer-links a:hover {
    text-decoration: underline;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%2300ff88" stop-opacity="0.1"/><stop offset="100%" stop-color="%2300ff88" stop-opacity="0"/></radialGradient></defs><rect width="100%" height="100%" fill="url(%23a)"/></svg>');
    background-size: cover;
    background-position: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: #fff;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.3rem;
    color: #ccc;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Labs Section */
.labs {
    padding: 80px 0;
}

.labs h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 3rem;
}
.labs p {
    text-align: center;
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 3rem;
}
.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.lab-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 165, 0, 0.3);
    transition: all 0.3s ease;
}
.lab-card:hover {
    transform: translateY(-5px);
    border-color: #ff8500;
    box-shadow: 0 10px 30px rgba(255, 165, 0, 0.2);
}
.lab-card h3 {
    color: #ff8500;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}
.lab-card p {
    color: #ccc;
    margin-bottom: 1.5rem;
}

/* Learning Path */

.learning-path {
    margin-top: 3rem;
    padding: 2rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}
.learning-path h3 {
    color: #00ff88;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}
.learning-path p {
    color: #ccc;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}
.learning-path {
    margin-top: 3rem;
}


/* Lessons Section */
.lessons {
    padding: 80px 0;
}

.lessons h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 3rem;
}

.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.lesson-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: all 0.3s ease;
}

.lesson-card:hover {
    transform: translateY(-5px);
    border-color: #00ff88;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.lesson-card h3 {
    color: #00ff88;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.lesson-card p {
    color: #ccc;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.lesson-btn {
    background: linear-gradient(45deg, #00ff88, #00cc6a);
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.lesson-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 255, 136, 0.3);
}

/* Lesson Content Styles */
.lesson-content {
    color: #ccc;
    line-height: 1.8;
}

.lesson-content h1,
.lesson-content h2,
.lesson-content h3 {
    color: #00ff88;
    margin: 1.5rem 0 1rem 0;
}

.lesson-content h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
}

.lesson-content h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid #00ff88;
    padding-bottom: 0.5rem;
}

.lesson-content h3 {
    font-size: 1.4rem;
}

.lesson-content ul,
.lesson-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.lesson-content li {
    margin: 0.5rem 0;
}

.lesson-category-2 {
    grid-template-columns: auto;
    gap: 2rem;
    margin-top: 3rem;
    
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    --webkit-backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

/* Navigation */
.navbar {
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    color: #00ff88;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #00ff88;
}

/* Prerequisites Section */
.prerequisites {
    margin-top: 2rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    border: 1px solid rgba(0, 255, 136, 0.3);
    transition: all 0.3s ease;
}

.prerequisites:hover {
    transform: translateY(-5px);
}

.prereq-category {
    margin-bottom: 2rem;
}

.prereq-category h3 {
    color: #00ff88;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.prereq-category p {
    color: #ccc;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.prereq-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    text-align: center;
    transition: all 0.3s ease;
}
.prereq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* Progress tracking */
.progress-section {
    background: #050505;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}
        
.progress-bar {
    background: #3d3d3d;
    height: 10px;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 10px;
}
        
.progress-fill {
    background: #28a745;
    height: 100%;
    transition: width 0.3s ease;
}
        
.progress-text {
    text-align: center;
    color: #666;
    font-weight: bold;
}

.path-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.path-step {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.path-step-icon {
    font-size: 2rem;
    color: #00ff88;
}

.path-step-text {
    color: #ccc;
}

/* Quizzes Section */
.quizzes {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
}

.quizzes h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

.quizzes > .container > p {
    text-align: center;
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.quiz-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 69, 0, 0.3);
    transition: all 0.3s ease;
}

.quiz-card:hover {
    transform: translateY(-5px);
    border-color: #ff4500;
    box-shadow: 0 10px 30px rgba(255, 69, 0, 0.2);
}

.quiz-card h3 {
    color: #ff4500;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.quiz-card p {
    color: #ccc;
    margin-bottom: 1.5rem;
}

.quiz-btn {
    background: linear-gradient(45deg, #ff4500, #ff6500);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.quiz-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.3);
}

/* Resources Section */
.resources {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.05);
}

.resources h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

.resources > .container > p {
    text-align: center;
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.resource-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(138, 43, 226, 0.3);
    transition: all 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: #8a2be2;
    box-shadow: 0 10px 30px rgba(138, 43, 226, 0.2);
}

.resource-card h3 {
    color: #8a2be2;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.resource-card p {
    color: #ccc;
    margin-bottom: 1.5rem;
}

.resource-btn {
    background: linear-gradient(45deg, #8a2be2, #9932cc);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.resource-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
}

/* Course Stats */

.section-subtitle {
    text-align: center;
    color: #ccc;
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.stat {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.stat h3 {
    font-size: 3rem;
    color: #00ff88;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #ccc;
    font-size: 1.1rem;
}

.step-number {
    font-weight: bold;
    color: #00ff88;
    margin-right: 0.5rem;
}

.step-text {
    color: #ccc;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.topic-category {
    margin-bottom: 2rem;
}

.topic-category h3 {
    color: #00ff88;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.topic-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    --webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1rem;
    border: 1px solid rgba(0, 255, 136, 0.3);
    transition: all 0.3s ease;
}

.topic-card:hover {
    transform: translateY(-5px);
    border-color: #00ff88;
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.2);
}

.topic-card h4 {
    color: #00ff88;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.topic-card p {
    color: #ccc;
    margin-bottom: 1rem;
}
.topic-card a {
    color: #00ff88;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.topic-card a:hover {
    color: #00ff88;
}

.topic-card beginner {
    border-color: #00ff88;
}

.topic-card intermediate {
    border-color: #00ff88;
}

.topic-card advanced {
    border-color: #ff4500;
}

.topics-covered {
    margin-top: 2rem;
}
.topics-covered h3 {
    color: #00ff88;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.topic-number {
    font-weight: bold;
    color: #00ff88;
    margin-right: 0.5rem;
}

.topic-meta {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 1rem;
}

.warning {
    background: rgba(255, 165, 0, 0.1);
    border: 1px solid #ffa500;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #ffa500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .lesson-grid,
    .quiz-grid {
        grid-template-columns: 1fr;
    }
    
    .course-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Code Syntax Highlighting */
.code-block {
    background: #1e1e1e;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    color: #f8f8f2;
}

.code-block .keyword {
    color: #66d9ef;
}

.code-block .string {
    color: #a6e22e;
}

.code-block .comment {
    color: #75715e;
    font-style: italic;
}

/* Progress Bar */
.progress-container {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 1rem 0;
}

.progress-bar {
    height: 10px;
    background: linear-gradient(45deg, #00ff88, #00cc6a);
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Quiz Styles */
.quiz-question {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1rem 0;
    border-left: 4px solid #00ff88;
}

.quiz-options {
    list-style: none;
    margin: 1rem 0;
}

.quiz-options li {
    background: rgba(255, 255, 255, 0.05);
    margin: 0.5rem 0;
    padding: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.quiz-options li:hover {
    background: rgba(0, 255, 136, 0.1);
    border-color: #00ff88;
}

.quiz-options li.selected {
    background: rgba(0, 255, 136, 0.2);
    border-color: #00ff88;
}

.quiz-options li.correct {
    background: rgba(0, 255, 0, 0.2);
    border-color: #00ff00;
}

.quiz-options li.incorrect {
    background: rgba(255, 0, 0, 0.2);
    border-color: #ff0000;
}



.warning {
    background: rgba(255, 165, 0, 0.1);
    border: 1px solid #ffa500;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #ffa500;
}

/* Watermark overlay */
        .watermark {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) rotate(-45deg);
            font-size: 4em;
            color: rgba(0,0,0,0.05);
            pointer-events: none;
            z-index: 1000;
            font-weight: bold;
        }

.info {
    background: rgba(0, 123, 255, 0.1);
    border: 1px solid #007bff;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #007bff;
}

.success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid #28a745;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    color: #28a745;
}