* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.importance-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 2rem;
    margin: 2rem auto;
    border-radius: 20px;
    max-width: 1200px;
    text-align: center;
}

.importance-section h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.importance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.importance-card {
    background: rgba(255,255,255,0.95);
    color: #333;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 3px solid transparent;
}

.importance-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.importance-card.future {
    border-color: #ff6b6b;
}

.importance-card.daily {
    border-color: #4ecdc4;
}

.importance-card.creativity {
    border-color: #45b7d1;
}

.importance-card.problem {
    border-color: #f9ca24;
}

.importance-card.citizen {
    border-color: #6c5ce7;
}

.importance-card.opportunity {
    border-color: #a29bfe;
}

.importance-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.importance-card h4 {
    color: #2d3436;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.importance-card p {
    color: #636e72;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .importance-section {
        padding: 2rem 1rem;
    }
    
    .importance-section h3 {
        font-size: 1.5rem;
    }
    
    .importance-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

header {
    text-align: center;
    padding: 2rem;
    color: white;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.modules-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.module {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.module:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.module-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.module h3 {
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

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

.close:hover {
    color: #000;
}

.component-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.component {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.component:hover {
    background: #edf2f7;
    border-color: #667eea;
}

.component-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.info-box {
    background: #e6fffa;
    border: 2px solid #38b2ac;
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1rem;
    min-height: 100px;
}

.internet-steps {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.step {
    background: #f7fafc;
    border-radius: 10px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    min-width: 150px;
    margin: 0.5rem;
}

.step:hover {
    background: #edf2f7;
}

.step-number {
    background: #667eea;
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.5rem;
    font-weight: bold;
}

.explanation-box {
    background: #fff5f5;
    border: 2px solid #fc8181;
    border-radius: 10px;
    padding: 1rem;
    margin-top: 1rem;
    min-height: 80px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.tool {
    background: #f0fff4;
    border: 2px solid #68d391;
    border-radius: 10px;
    padding: 1rem;
}

.quiz-container {
    max-width: 600px;
    margin: 0 auto;
}

.quiz-container .card {
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.answer-btn {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    color: #212529;
    font-weight: 500;
}

.answer-btn:hover {
    background: #e9ecef;
    border-color: #667eea;
    transform: translateY(-2px);
}

.answer-btn.correct {
    background: #d1e7dd;
    border-color: #198754;
    color: #0f5132;
}

.level-selector {
    margin-bottom: 2rem;
}

.level-selector .btn {
    margin: 0.25rem;
    font-weight: bold;
}

.security-topics, .network-concepts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.security-item, .concept-card {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.security-item:hover, .concept-card:hover {
    background: #e9ecef;
    border-color: #667eea;
    transform: translateY(-2px);
}

.security-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.programming-topics {
    space-y: 2rem;
}

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

.languages {
    margin: 1rem 0;
}

.languages .badge {
    margin: 0.25rem;
    font-size: 0.9rem;
}

.code-example {
    background: #f8f9fa;
    border-left: 4px solid #667eea;
    padding: 1rem;
    margin: 1rem 0;
}

.code-example pre {
    background: #2d3748;
    color: #e2e8f0;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.code-explanation {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.code-explanation h6 {
    color: #856404;
    margin-bottom: 0.5rem;
}

.code-explanation code {
    background: #2d3748;
    color: #e2e8f0;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9rem;
}

.db-example {
    background: #f0f8ff;
    border: 2px solid #4682b4;
    border-radius: 10px;
    padding: 1rem;
    margin: 1rem 0;
}

.sql-explanation {
    background: #e8f5e8;
    border: 1px solid #28a745;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.sql-explanation code {
    background: #2d3748;
    color: #e2e8f0;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-weight: bold;
}

.os-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.os-card {
    background: #f0f8ff;
    border: 2px solid #4682b4;
    border-radius: 10px;
    padding: 1rem;
}

.concept-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.concept {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: 8px;
    padding: 1rem;
}

.db-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.db-card {
    background: #f0fff4;
    border: 2px solid #68d391;
    border-radius: 10px;
    padding: 1rem;
}

.example {
    background: #2d3748;
    color: #e2e8f0;
    padding: 0.5rem;
    border-radius: 5px;
    font-family: monospace;
    margin-top: 0.5rem;
}

.ai-domains {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.ai-card {
    background: #faf5ff;
    border: 2px solid #d6bcfa;
    border-radius: 10px;
    padding: 1rem;
}

.ai-examples ul {
    list-style: none;
    padding: 0;
}

.email-structure {
    margin: 2rem 0;
}

.email-example {
    background: #f8f9fa;
    border: 2px solid #667eea;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    margin: 1rem 0;
}

.email-parts {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.email-part.username {
    color: #28a745;
}

.email-separator {
    color: #dc3545;
    margin: 0 0.5rem;
}

.email-part.domain {
    color: #007bff;
}

.part-explanation {
    background: #e9ecef;
    margin: 0.5rem;
    padding: 0.5rem;
    border-radius: 5px;
    font-size: 0.9rem;
}

.email-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
}

.email-step {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.step-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.providers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.provider {
    background: #e3f2fd;
    border: 2px solid #2196f3;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    font-weight: bold;
}

.social-dangers {
    margin: 2rem 0;
}

.danger-card {
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1rem 0;
    border-left: 5px solid;
}

.danger-card.security-risk {
    background: #fff3cd;
    border-left-color: #ffc107;
}

.danger-card.fake-news {
    background: #f8d7da;
    border-left-color: #dc3545;
}

.danger-card.mental-health {
    background: #d1ecf1;
    border-left-color: #17a2b8;
}

.danger-card.cyberbullying {
    background: #d4edda;
    border-left-color: #28a745;
}

.danger-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.danger-card h5 {
    color: #495057;
    margin-bottom: 1rem;
}

.danger-card ul {
    margin: 0;
    padding-left: 1.5rem;
}

.danger-card li {
    margin-bottom: 0.5rem;
}

.practices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.practice {
    background: #d4edda;
    border: 2px solid #28a745;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.help-resources {
    background: #e2e3e5;
    border: 2px solid #6c757d;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.help-resources ul {
    margin: 1rem 0 0 0;
    padding-left: 1.5rem;
}

.help-resources li {
    margin-bottom: 0.5rem;
}

.backup-importance {
    margin: 2rem 0;
}

.risks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.risk-item {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.risk-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.backup-rule {
    background: #e3f2fd;
    border: 2px solid #2196f3;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.rule-321 {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
}

.rule-item {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    flex: 1;
    min-width: 150px;
}

.rule-number {
    background: #2196f3;
    color: white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.backup-methods {
    margin: 2rem 0;
}

.method-card {
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.method-card.local {
    background: #f0f8ff;
    border: 2px solid #4682b4;
}

.method-card.cloud {
    background: #f0fff4;
    border: 2px solid #32cd32;
}

.method-options {
    margin: 1rem 0;
}

.option {
    background: rgba(255,255,255,0.7);
    padding: 0.5rem;
    margin: 0.5rem 0;
    border-radius: 5px;
    border-left: 3px solid #4682b4;
}

.cloud-services {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.service {
    background: #32cd32;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.tip {
    background: #d4edda;
    border: 2px solid #28a745;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.windows-backup {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.windows-backup ul {
    margin: 1rem 0 0 0;
    padding-left: 1.5rem;
}

.windows-backup li {
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .rule-321 {
        flex-direction: column;
    }
    
    .risks-grid {
        grid-template-columns: 1fr;
    }
}

button {
    background: #667eea;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s;
}

button:hover {
    background: #5a67d8;
}

@media (max-width: 768px) {
    .modules-container {
        grid-template-columns: 1fr;
        padding: 1rem;
    }
    
    .internet-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
}

.ai-definition {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1rem 0;
    text-align: center;
}

.ai-types {
    margin: 2rem 0;
}

.ai-type-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.ai-type-card {
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

.ai-type-card.narrow {
    background: #d4edda;
    border: 2px solid #28a745;
}

.ai-type-card.general {
    background: #fff3cd;
    border: 2px solid #ffc107;
}

.ai-type-card.super {
    background: #f8d7da;
    border: 2px solid #dc3545;
}

.examples {
    background: rgba(255,255,255,0.7);
    padding: 0.5rem;
    border-radius: 5px;
    margin-top: 0.5rem;
    font-style: italic;
    font-size: 0.9rem;
}

.domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.ai-card.ml {
    background: #e3f2fd;
    border: 2px solid #2196f3;
}

.ai-card.dl {
    background: #f3e5f5;
    border: 2px solid #9c27b0;
}

.ai-card.cv {
    background: #e8f5e8;
    border: 2px solid #4caf50;
}

.ai-card.nlp {
    background: #fff3e0;
    border: 2px solid #ff9800;
}

.ai-card.genai {
    background: #fce4ec;
    border: 2px solid #e91e63;
}

.sub-domains {
    margin: 1rem 0;
}

.sub-domains .badge {
    margin: 0.25rem;
    font-size: 0.8rem;
}

.applications {
    background: rgba(255,255,255,0.8);
    padding: 0.5rem;
    border-radius: 5px;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.example-category {
    border-radius: 10px;
    padding: 1.5rem;
}

.example-category.entertainment {
    background: #fce4ec;
    border: 2px solid #e91e63;
}

.example-category.daily {
    background: #e1f5fe;
    border: 2px solid #03a9f4;
}

.example-category.future {
    background: #f1f8e9;
    border: 2px solid #8bc34a;
}

.example-category.health {
    background: #fff8e1;
    border: 2px solid #ffc107;
}

.example-category ul {
    margin: 0.5rem 0 0 0;
    padding-left: 1.5rem;
}

.example-category li {
    margin-bottom: 0.3rem;
}

.ai-ethics {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.ethics-concerns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.concern-card {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}

.concern-card.jobs {
    border-left: 4px solid #17a2b8;
}

.concern-card.privacy {
    border-left: 4px solid #dc3545;
}

.concern-card.bias {
    border-left: 4px solid #ffc107;
}

.concern-card.control {
    border-left: 4px solid #28a745;
}

.ai-future {
    margin: 2rem 0;
}

.future-skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.skill-card {
    background: #e8f5e8;
    border: 2px solid #4caf50;
    border-radius: 10px;
    padding: 1.5rem;
}

.skill-card ul {
    margin: 0.5rem 0 0 0;
    padding-left: 1.5rem;
}

.skill-card li {
    margin-bottom: 0.3rem;
}

.ai-tools {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.tools-list {
    margin: 1rem 0;
}

.ai-models {
    margin: 2rem 0;
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.model-card {
    border-radius: 10px;
    padding: 1.5rem;
    border: 2px solid;
    transition: transform 0.3s;
}

.model-card:hover {
    transform: translateY(-3px);
}

.model-card.openai {
    background: #f0f8ff;
    border-color: #00a67e;
}

.model-card.anthropic {
    background: #fff5f0;
    border-color: #d97706;
}

.model-card.google {
    background: #f0f9ff;
    border-color: #4285f4;
}

.model-card.meta {
    background: #f8fafc;
    border-color: #1877f2;
}

.model-card.mistral {
    background: #fef7ff;
    border-color: #7c3aed;
}

.model-card.deepseek {
    background: #f0fdf4;
    border-color: #059669;
}

.model-card.perplexity {
    background: #fefce8;
    border-color: #ca8a04;
}

.model-card.qwen {
    background: #fdf2f8;
    border-color: #ec4899;
}

.model-info {
    background: rgba(255,255,255,0.8);
    padding: 0.5rem;
    border-radius: 5px;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    font-style: italic;
    border-left: 3px solid currentColor;
}

.models-note {
    background: #e0f2fe;
    border: 2px solid #0288d1;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: center;
}

.models-note p {
    margin: 0;
    font-size: 0.95rem;
}
.connection-types {
    margin: 2rem 0;
}

.connection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.connection-card {
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
}

.connection-card.wifi {
    background: #e3f2fd;
    border: 3px solid #2196f3;
}

.connection-card.ethernet {
    background: #e8f5e8;
    border: 3px solid #4caf50;
}

.connection-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.connection-details p {
    text-align: left;
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: rgba(255,255,255,0.7);
    border-radius: 5px;
}

.computer-types {
    margin: 3rem 0;
}

.types-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 1rem 0;
}

.type-card {
    border-radius: 15px;
    padding: 2rem;
}

.type-card.desktop {
    background: #fff3e0;
    border: 3px solid #ff9800;
}

.type-card.laptop {
    background: #f3e5f5;
    border: 3px solid #9c27b0;
}

.type-features {
    text-align: left;
}

.feature-section {
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255,255,255,0.8);
    border-radius: 8px;
}

.feature-section h6 {
    margin-bottom: 0.5rem;
    color: #333;
}

.feature-section ul {
    margin: 0;
    padding-left: 1.5rem;
}

.feature-section li {
    margin-bottom: 0.3rem;
}

.connectivity {
    background: rgba(0,0,0,0.1) !important;
    font-weight: bold;
}

.connectivity-tips {
    margin: 2rem 0;
}

.tips-connectivity {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.tip-card {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

.tip-card h5 {
    color: #4169e1;
    margin-bottom: 0.5rem;
}

.speed-comparison {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.speed-table {
    margin: 1rem 0;
}

.speed-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin: 0.5rem 0;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #dee2e6;
}

.speed-row.highlight {
    border-left-color: #28a745;
    background: #d4edda;
    font-weight: bold;
}

.connection-type {
    font-weight: 500;
}

.speed-value {
    color: #495057;
    font-weight: bold;
}
.keyboard-basics {
    margin: 2rem 0;
}

.special-keys {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.key-card {
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    border: 3px solid;
}

.key-card.shift {
    background: #e3f2fd;
    border-color: #2196f3;
}

.key-card.caps {
    background: #fff3e0;
    border-color: #ff9800;
}

.key-card.tab {
    background: #e8f5e8;
    border-color: #4caf50;
}

.key-card.numlock {
    background: #f3e5f5;
    border-color: #9c27b0;
}

.key-visual {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    background: rgba(255,255,255,0.8);
    padding: 0.5rem;
    border-radius: 8px;
    border: 2px solid rgba(0,0,0,0.1);
}

.key-example {
    background: rgba(0,0,0,0.1);
    padding: 0.5rem;
    border-radius: 5px;
    margin-top: 0.5rem;
    font-style: italic;
    font-size: 0.9rem;
}

.shortcuts-section {
    margin: 3rem 0;
}

.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.shortcut-category {
    border-radius: 10px;
    padding: 1.5rem;
    border: 2px solid;
}

.shortcut-category.basic {
    background: #e1f5fe;
    border-color: #03a9f4;
}

.shortcut-category.navigation {
    background: #f1f8e9;
    border-color: #8bc34a;
}

.shortcut-category.file {
    background: #fce4ec;
    border-color: #e91e63;
}

.shortcut-category.system {
    background: #fff8e1;
    border-color: #ffc107;
}

.shortcut-list {
    margin: 1rem 0;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin: 0.5rem 0;
    background: rgba(255,255,255,0.8);
    border-radius: 8px;
    border-left: 4px solid currentColor;
}

.keys {
    background: #2d3748;
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 5px;
    font-family: monospace;
    font-weight: bold;
    font-size: 0.9rem;
}

.action {
    font-weight: 500;
    color: #333;
}

.copy-paste-tutorial {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.tutorial-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.step-tutorial {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    border: 2px solid #dee2e6;
}

.step-number {
    background: #4169e1;
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step-content h6 {
    color: #4169e1;
    margin-bottom: 0.5rem;
}

.step-content p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.keyboard-tips {
    margin: 2rem 0;
}

.tips-keyboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.tip-keyboard {
    background: #d4edda;
    border: 2px solid #28a745;
    border-radius: 10px;
    padding: 1.5rem;
}

.tip-keyboard strong {
    color: #155724;
    display: block;
    margin-bottom: 0.5rem;
}

.tip-keyboard p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .special-keys {
        grid-template-columns: 1fr;
    }
    
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
    
    .tutorial-steps {
        grid-template-columns: 1fr;
    }
    
    .tips-keyboard {
        grid-template-columns: 1fr;
    }
}
.connectors-intro {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1rem 0;
    text-align: center;
}

.usb-section, .network-section, .video-section, .legacy-section {
    margin: 3rem 0;
}

.connectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.connector-card {
    border-radius: 10px;
    padding: 1.5rem;
    border: 3px solid;
}

.connector-card.usb-a {
    background: #e3f2fd;
    border-color: #2196f3;
}

.connector-card.usb-c {
    background: #e8f5e8;
    border-color: #4caf50;
}

.connector-card.usb-micro {
    background: #fff3e0;
    border-color: #ff9800;
}

.connector-card.rj45 {
    background: #f3e5f5;
    border-color: #9c27b0;
}

.connector-card.rj11 {
    background: #fce4ec;
    border-color: #e91e63;
}

.connector-card.hdmi {
    background: #e0f2f1;
    border-color: #009688;
}

.connector-card.displayport {
    background: #e8eaf6;
    border-color: #3f51b5;
}

.connector-card.mini-dp {
    background: #f1f8e9;
    border-color: #689f38;
}

.connector-card.dvi {
    background: #fff8e1;
    border-color: #fbc02d;
}

.connector-card.vga {
    background: #ffebee;
    border-color: #f44336;
}

.connector-card.db9 {
    background: #f5f5f5;
    border-color: #757575;
}

.connector-card.ps2 {
    background: #fafafa;
    border-color: #9e9e9e;
}

.connector-card h5 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    text-align: center;
    background: rgba(255,255,255,0.8);
    padding: 0.5rem;
    border-radius: 8px;
}

.connector-specs p {
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: rgba(255,255,255,0.7);
    border-radius: 5px;
    font-size: 0.9rem;
    line-height: 1.4;
}

.connector-specs strong {
    color: #333;
}

.compatibility-guide {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 15px;
    padding: 2rem;
    margin: 3rem 0;
}

.compatibility-table {
    margin: 1rem 0;
}

.compat-row {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin: 0.5rem 0;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #28a745;
}

.connector-name {
    font-weight: bold;
    color: #495057;
    min-width: 120px;
}

.arrow {
    margin: 0 1rem;
    font-size: 1.2rem;
    color: #28a745;
}

.compatible-with {
    color: #6c757d;
    flex: 1;
}

.future-connectors {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 2rem;
    margin: 3rem 0;
}

.future-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.future-item {
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

.future-item h5 {
    color: white;
    margin-bottom: 0.5rem;
}

.future-item p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .connectors-grid {
        grid-template-columns: 1fr;
    }
    
    .compat-row {
        flex-direction: column;
        text-align: center;
    }
    
    .arrow {
        margin: 0.5rem 0;
        transform: rotate(90deg);
    }
    
    .future-grid {
        grid-template-columns: 1fr;
    }
}
.troubleshooting-method {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.method-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.diag-step {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    border-left: 4px solid #4169e1;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.problem-card {
    border-radius: 10px;
    padding: 1.5rem;
    border: 3px solid;
}

.problem-card.startup {
    background: #fff3e0;
    border-color: #ff9800;
}

.problem-card.slow {
    background: #e8f5e8;
    border-color: #4caf50;
}

.problem-card.blue-screen {
    background: #e3f2fd;
    border-color: #2196f3;
}

.problem-card.overheating {
    background: #ffebee;
    border-color: #f44336;
}

.solutions ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.diagnostic-tools {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.source-card {
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    border: 3px solid;
}

.source-card.official {
    background: #e8f5e8;
    border-color: #4caf50;
}

.source-card.stores {
    background: #e3f2fd;
    border-color: #2196f3;
}

.source-card.repositories {
    background: #f3e5f5;
    border-color: #9c27b0;
}

.examples {
    background: rgba(255,255,255,0.8);
    padding: 0.5rem;
    border-radius: 5px;
    margin-top: 0.5rem;
    font-style: italic;
    font-size: 0.9rem;
}

.install-process {
    margin: 1rem 0;
}

.install-step {
    display: flex;
    align-items: flex-start;
    margin: 1rem 0;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.step-num {
    background: #4169e1;
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 1rem;
    flex-shrink: 0;
}

.step-content ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.warnings-list {
    margin: 1rem 0;
}

.warning-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    margin: 0.5rem 0;
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
}

.warning-icon {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.schedule-card {
    border-radius: 10px;
    padding: 1.5rem;
    border: 3px solid;
}

.schedule-card.daily {
    background: #e8f5e8;
    border-color: #4caf50;
}

.schedule-card.weekly {
    background: #fff3e0;
    border-color: #ff9800;
}

.schedule-card.monthly {
    background: #e3f2fd;
    border-color: #2196f3;
}

.cleaning-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.clean-method {
    border-radius: 10px;
    padding: 1.5rem;
    border: 2px solid;
}

.clean-method.builtin {
    background: #f0f8ff;
    border-color: #4169e1;
}

.clean-method.third-party {
    background: #f0fff4;
    border-color: #32cd32;
}

.clean-tool {
    background: rgba(255,255,255,0.8);
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 5px;
    border-left: 3px solid currentColor;
}

.perf-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.perf-card {
    border-radius: 10px;
    padding: 1.5rem;
    border: 3px solid;
}

.perf-card.startup {
    background: #e1f5fe;
    border-color: #03a9f4;
}

.perf-card.memory {
    background: #f1f8e9;
    border-color: #8bc34a;
}

.perf-card.storage {
    background: #fce4ec;
    border-color: #e91e63;
}

.components-gaming {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.gaming-component {
    border-radius: 10px;
    padding: 1.5rem;
    border: 3px solid;
}

.gaming-component.gpu {
    background: #e8f5e8;
    border-color: #4caf50;
}

.gaming-component.cpu-gaming {
    background: #e3f2fd;
    border-color: #2196f3;
}

.gaming-component.ram-gaming {
    background: #fff3e0;
    border-color: #ff9800;
}

.component-details p {
    margin: 0.5rem 0;
    padding: 0.5rem;
    background: rgba(255,255,255,0.7);
    border-radius: 5px;
}

.optimization-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.optim-section {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 10px;
    padding: 1.5rem;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 5px;
}

.setting-item.high {
    background: #ffebee;
    border-left: 4px solid #f44336;
}

.setting-item.medium {
    background: #fff8e1;
    border-left: 4px solid #ffc107;
}

.setting-item.low {
    background: #e8f5e8;
    border-left: 4px solid #4caf50;
}

.oc-warning {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 10px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
}

.oc-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.oc-step {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 10px;
    padding: 1.5rem;
}

.peripherals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.peripheral-item {
    background: #f0fff4;
    border: 2px solid #32cd32;
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}
.ergonomie-importance {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.health-risks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.risk-ergo {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    border: 2px solid #ffc107;
}

.risk-ergo .risk-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.workstation-setup {
    margin: 3rem 0;
}

.setup-section {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.setup-section.chair {
    border-color: #28a745;
    background: #d4edda;
}

.setup-section.screen {
    border-color: #007bff;
    background: #d1ecf1;
}

.setup-section.keyboard-mouse {
    border-color: #6f42c1;
    background: #e2e3f0;
}

.setup-details {
    margin: 1rem 0;
}

.setup-item {
    background: rgba(255,255,255,0.8);
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 5px;
    border-left: 4px solid currentColor;
}

.environment-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.env-tip {
    border-radius: 10px;
    padding: 1.5rem;
    border: 3px solid;
}

.env-tip.lighting {
    background: #fff8e1;
    border-color: #ffc107;
}

.env-tip.temperature {
    background: #e3f2fd;
    border-color: #2196f3;
}

.env-tip.noise {
    background: #f3e5f5;
    border-color: #9c27b0;
}

.env-tip ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.breaks-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.break-type {
    border-radius: 10px;
    padding: 1.5rem;
    border: 3px solid;
}

.break-type.micro {
    background: #e8f5e8;
    border-color: #4caf50;
}

.break-type.short {
    background: #fff3e0;
    border-color: #ff9800;
}

.break-type.long {
    background: #e3f2fd;
    border-color: #2196f3;
}

.exercises {
    margin: 1rem 0;
}

.exercise {
    background: rgba(255,255,255,0.8);
    padding: 0.5rem;
    margin: 0.3rem 0;
    border-radius: 5px;
    border-left: 3px solid currentColor;
}

.eye-care {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.eye-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 1rem 0;
}

.eye-rule {
    background: #e8f5e8;
    border: 2px solid #4caf50;
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

.eye-settings {
    background: white;
    border: 2px solid #4169e1;
    border-radius: 10px;
    padding: 1.5rem;
}

.screen-settings {
    margin: 1rem 0;
}

.setting {
    background: #f8f9fa;
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-radius: 5px;
    border-left: 4px solid #4169e1;
}

.ergonomie-checklist {
    background: #d4edda;
    border: 2px solid #28a745;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.checklist-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.check-category {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    border: 2px solid #28a745;
}

.check-item {
    background: #f8f9fa;
    padding: 0.5rem;
    margin: 0.3rem 0;
    border-radius: 5px;
    font-family: monospace;
    border-left: 3px solid #28a745;
}

@media (max-width: 768px) {
    .health-risks {
        grid-template-columns: 1fr;
    }
    
    .environment-tips {
        grid-template-columns: 1fr;
    }
    
    .breaks-section {
        grid-template-columns: 1fr;
    }
    
    .eye-tips {
        grid-template-columns: 1fr;
    }
    
    .checklist-items {
        grid-template-columns: 1fr;
    }
}
.progress-dashboard {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 1.5rem;
    margin: 1rem 0;
    backdrop-filter: blur(10px);
}

.user-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: bold;
}

.stat-icon {
    font-size: 1.2rem;
}

.progress-bar-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.progress-bar {
    background: rgba(255,255,255,0.2);
    border-radius: 10px;
    height: 20px;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, #4caf50, #8bc34a);
    height: 100%;
    border-radius: 10px;
    transition: width 0.5s ease;
    width: 0%;
}

.module-progress {
    margin-top: 1rem;
    text-align: center;
}

.progress-indicator {
    background: rgba(76, 175, 80, 0.2);
    border: 2px solid #4caf50;
    border-radius: 20px;
    padding: 0.3rem 0.8rem;
    display: inline-block;
}

.progress-text {
    color: #4caf50;
    font-weight: bold;
    font-size: 0.9rem;
}

.badge-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: 1rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    transform: translateX(400px);
    transition: transform 0.3s ease;
    z-index: 10000;
    min-width: 250px;
}

.badge-notification.show {
    transform: translateX(0);
}

.notification-content h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.notification-content p {
    margin: 0.2rem 0;
    font-size: 0.9rem;
}

.badges-summary {
    background: #f0f8ff;
    border: 2px solid #4169e1;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.summary-stats {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1rem;
}

.summary-item {
    text-align: center;
}

.summary-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: #4169e1;
}

.summary-label {
    font-size: 0.9rem;
    color: #666;
}

.badge-category {
    margin: 2rem 0;
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.badge-item {
    display: flex;
    align-items: center;
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 10px;
    padding: 1rem;
    transition: all 0.3s;
}

.badge-item.locked {
    opacity: 0.5;
    filter: grayscale(100%);
}

.badge-item.earned {
    background: #d4edda;
    border-color: #28a745;
    opacity: 1;
    filter: none;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.2);
}

.badge-icon {
    font-size: 2rem;
    margin-right: 1rem;
    flex-shrink: 0;
}

.badge-info h5 {
    margin: 0 0 0.3rem 0;
    color: #333;
}

.badge-info p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

.progress-details {
    background: #f8f9fa;
    border: 2px solid #6c757d;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .user-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-item {
        justify-content: center;
    }
    
    .summary-stats {
        flex-direction: column;
    }
    
    .badges-grid {
        grid-template-columns: 1fr;
    }
    
    .badge-notification {
        right: 10px;
        left: 10px;
        transform: translateY(-100px);
    }
    
    .badge-notification.show {
        transform: translateY(0);
    }
}

/* Styles pour l'évaluation adaptative */
.evaluation-menu {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1rem 0;
}

.eval-option {
    padding: 1.5rem;
    border: 2px solid #ddd;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
}

.eval-option:hover {
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,123,255,0.2);
}

.eval-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.eval-duration {
    color: #666;
    font-size: 0.9rem;
    font-style: italic;
}

.quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
}

.quiz-progress .progress-bar {
    width: 200px;
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
}

.quiz-difficulty {
    font-weight: bold;
    color: #007bff;
}

.quiz-question {
    margin: 2rem 0;
}

.quiz-answers {
    display: grid;
    gap: 0.5rem;
    margin: 1rem 0;
}

.quiz-answer {
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.quiz-answer:hover {
    border-color: #007bff;
    background: #f8f9fa;
}

.quiz-answer.selected {
    border-color: #007bff;
    background: #e3f2fd;
}

.quiz-answer.correct {
    border-color: #28a745;
    background: #d4edda;
}

.quiz-answer.incorrect {
    border-color: #dc3545;
    background: #f8d7da;
}

.quiz-explanation {
    margin: 1rem 0;
    padding: 1rem;
    background: #e8f4fd;
    border-left: 4px solid #007bff;
    border-radius: 4px;
}

.score-display {
    text-align: center;
    margin: 2rem 0;
}

.score-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, #28a745, #20c997);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-size: 2rem;
    font-weight: bold;
}

.results-details {
    display: grid;
    gap: 1rem;
    margin: 2rem 0;
}

.result-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.certification-section {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: 10px;
    margin: 2rem 0;
}

.results-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Responsive pour évaluation */
@media (max-width: 768px) {
    .evaluation-menu {
        grid-template-columns: 1fr;
    }
    
    .quiz-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .results-actions {
        flex-direction: column;
    }
}