/* Styles pour les fiches détaillées */
:root {
    --primary-color: #60a5fa;
    --primary-hover: #3b82f6;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --error-color: #ef4444;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --background-light: #f9fafb;
    --white: #ffffff;
    --text-color: #4b5563;
    --heading-color: #374151;
    --border-color: #e5e7eb;
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --border-radius: 0.75rem;
    --transition: all 0.3s ease;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--background-light);
}

.fiche-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--white);
    min-height: 100vh;
    box-shadow: var(--shadow-lg);
}

/* Header */
.fiche-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--white);
    padding: 2rem;
    position: relative;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.fiche-header h1 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 2rem;
}

/* Contenu principal */
.fiche-content {
    padding: 2rem;
}

.fiche-section {
    margin-bottom: 3rem;
}

.fiche-section h2 {
    color: var(--heading-color);
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* Boîtes d'analogie */
.analogy-box {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.analogy-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.analogy-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

.analogy-header h3 {
    margin: 0;
    color: var(--heading-color);
}

.analogy-box ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.analogy-box li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

/* Processus en étapes */
.process-flow {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.step-number {
    background: var(--primary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.step-content h4 {
    color: var(--heading-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.step-content p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.process-arrow {
    color: var(--primary-color);
    font-size: 2rem;
}

/* Grille des serveurs */
.servers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.server-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.server-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.server-icon {
    text-align: center;
    margin-bottom: 1rem;
}

.server-icon .material-icons {
    font-size: 3rem;
    color: var(--primary-color);
}

.server-card h3 {
    color: var(--heading-color);
    margin-bottom: 1rem;
    text-align: center;
}

.server-card p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.server-stats {
    background: var(--background-light);
    padding: 0.75rem;
    border-radius: 0.5rem;
    text-align: center;
}

.stat {
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

/* DNS */
.dns-explanation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.dns-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.dns-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--background-light);
    padding: 1rem;
    border-radius: var(--border-radius);
    min-width: 200px;
}

.dns-step .material-icons {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.dns-step p {
    margin: 0;
    font-weight: 500;
}

.dns-arrow .material-icons {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.dns-text p {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.dns-text ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.dns-text li {
    margin-bottom: 0.5rem;
    font-family: monospace;
    background: var(--background-light);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    display: inline-block;
    margin-right: 0.5rem;
}

/* Exercices */
.exercises {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.exercise-card {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border-left: 4px solid var(--secondary-color);
}

.exercise-card h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--heading-color);
    margin-bottom: 1rem;
}

.exercise-card ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.exercise-card li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.exercise-card code {
    background: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-family: monospace;
    border: 1px solid var(--border-color);
}

.exercise-card p:last-child {
    margin-top: 1rem;
    font-weight: 500;
    color: var(--heading-color);
}

/* Quiz rapide */
.quick-quiz {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
}

.quiz-question h3 {
    color: var(--heading-color);
    margin-bottom: 1rem;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.quiz-option {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-size: 1rem;
}

.quiz-option:hover {
    border-color: var(--primary-color);
    background: var(--background-light);
}

.quiz-option:disabled {
    cursor: not-allowed;
}

.quiz-feedback {
    background: var(--white);
    padding: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
    font-weight: 500;
}

/* Faits amusants */
.fun-facts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.fact-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border-left: 4px solid var(--accent-color);
}

.fact-icon {
    font-size: 2rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

.fact-card p {
    margin: 0;
    line-height: 1.6;
}

/* Footer */
.fiche-footer {
    background: var(--background-light);
    padding: 2rem;
    border-top: 1px solid var(--border-color);
}

.navigation-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.nav-btn:not(.next) {
    background: var(--white);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.nav-btn.next {
    background: var(--primary-color);
    color: var(--white);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-btn:not(.next):hover {
    background: var(--background-light);
}

.nav-btn.next:hover {
    background: var(--primary-hover);
}

/* Simulateur d'erreurs HTTP */
.simulator {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin: 2rem 0;
}

.simulator-controls h3 {
    color: var(--heading-color);
    margin-bottom: 1.5rem;
}

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

.error-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
}

.error-btn:hover {
    border-color: var(--primary-color);
    background: var(--background-light);
    transform: translateY(-2px);
}

.error-btn .material-icons {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.simulator-display {
    background: var(--background-light);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    min-height: 150px;
}

.error-display {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    border-left: 4px solid var(--border-color);
    transition: var(--transition);
}

.error-simulation-content {
    text-align: left;
}

.error-simulation-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.error-simulation-header h3 {
    margin: 0;
    font-size: 1.2rem;
}

.error-simulation-details {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--background-light);
    border-radius: 0.5rem;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .fiche-header {
        padding: 1.5rem;
    }
    
    .fiche-header h1 {
        font-size: 1.5rem;
    }
    
    .fiche-content {
        padding: 1.5rem;
    }
    
    .process-flow {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .dns-explanation {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .navigation-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-btn {
        width: 100%;
        justify-content: center;
    }
    
    .error-buttons {
        grid-template-columns: 1fr;
    }
    
    .error-btn {
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .fiche-header {
        padding: 1rem;
    }
    
    .fiche-content {
        padding: 1rem;
    }
    
    .servers-grid {
        grid-template-columns: 1fr;
    }
    
    .fun-facts {
        grid-template-columns: 1fr;
    }
    
    .fact-card {
        flex-direction: column;
        text-align: center;
    }
}