/* 
 * Arkavia Glossaire IA - Styles
 * Design moderne, responsive et accessible
 */

/* ================================
   VARIABLES CSS
   ================================ */
:root {
    --arkavia-primary: #2563eb;
    --arkavia-primary-dark: #1e40af;
    --arkavia-secondary: #8b5cf6;
    --arkavia-success: #10b981;
    --arkavia-warning: #f59e0b;
    --arkavia-danger: #ef4444;
    
    --arkavia-bg: #ffffff;
    --arkavia-bg-alt: #f8fafc;
    --arkavia-border: #e2e8f0;
    --arkavia-text: #1e293b;
    --arkavia-text-light: #64748b;
    
    --arkavia-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --arkavia-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --arkavia-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    
    --arkavia-radius: 12px;
    --arkavia-radius-lg: 16px;
    
    --arkavia-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================
   CONTAINER PRINCIPAL
   ================================ */
#arkavia-glossaire-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--arkavia-text);
    line-height: 1.6;
}

/* ================================
   HEADER
   ================================ */
.arkavia-glossaire-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--arkavia-radius-lg);
    padding: 48px;
    margin-bottom: 40px;
    color: white;
    box-shadow: var(--arkavia-shadow-lg);
}

.arkavia-glossaire-intro h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 12px 0;
    letter-spacing: -0.02em;
}

.arkavia-subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
    margin: 0 0 32px 0;
    font-weight: 400;
}

/* ================================
   FILTRES
   ================================ */
.arkavia-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.arkavia-filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.arkavia-filter-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
}

.filter-icon {
    font-size: 1.125rem;
}

.arkavia-search-input,
.arkavia-categorie-select {
    padding: 12px 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--arkavia-radius);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 1rem;
    transition: var(--arkavia-transition);
    width: 100%;
}

.arkavia-search-input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.arkavia-search-input:focus,
.arkavia-categorie-select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.arkavia-categorie-select option {
    background: var(--arkavia-text);
    color: white;
}

/* Boutons de niveau */
.arkavia-niveau-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.arkavia-niveau-btn {
    padding: 8px 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--arkavia-radius);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--arkavia-transition);
}

.arkavia-niveau-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

.arkavia-niveau-btn.active {
    background: white;
    color: var(--arkavia-primary);
    border-color: white;
}

/* ================================
   STATISTIQUES
   ================================ */
.arkavia-stats {
    display: flex;
    gap: 32px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.arkavia-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ================================
   CONTENU GLOSSAIRE
   ================================ */
.arkavia-glossaire-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

/* Catégorie */
.arkavia-categorie {
    transition: var(--arkavia-transition);
}

.arkavia-categorie.hidden {
    display: none;
}

.arkavia-categorie-header {
    margin-bottom: 24px;
}

.arkavia-categorie-titre {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--arkavia-text);
    margin: 0;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--arkavia-border);
}

.categorie-icon {
    font-size: 1.875rem;
}

.categorie-count {
    font-size: 1rem;
    color: var(--arkavia-text-light);
    font-weight: 500;
}

/* ================================
   GRILLE DE NOTIONS
   ================================ */
.arkavia-notions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 24px;
}

/* ================================
   CARTE NOTION
   ================================ */
.arkavia-notion-card {
    background: var(--arkavia-bg);
    border: 2px solid var(--arkavia-border);
    border-radius: var(--arkavia-radius);
    padding: 24px;
    transition: var(--arkavia-transition);
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
    overflow: hidden;
}

.arkavia-notion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--arkavia-primary), var(--arkavia-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.arkavia-notion-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--arkavia-shadow-lg);
    border-color: var(--arkavia-primary);
}

.arkavia-notion-card:hover::before {
    transform: scaleX(1);
}

.arkavia-notion-card.hidden {
    display: none;
}

/* Header de la carte */
.notion-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.notion-titre {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--arkavia-text);
    margin: 0;
    flex: 1;
    line-height: 1.4;
}

/* Badges de niveau */
.niveau-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.niveau-debutant {
    background: #dcfce7;
    color: #166534;
}

.niveau-intermediaire {
    background: #dbeafe;
    color: #1e40af;
}

.niveau-avance {
    background: #fae8ff;
    color: #86198f;
}

/* Corps de la carte */
.notion-card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notion-definition {
    font-size: 0.9375rem;
    color: var(--arkavia-text);
    margin: 0;
    line-height: 1.6;
}

.notion-exemple {
    background: var(--arkavia-bg-alt);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--arkavia-text-light);
    border-left: 3px solid var(--arkavia-primary);
    line-height: 1.5;
}

.notion-exemple strong {
    color: var(--arkavia-primary);
    margin-right: 4px;
}

/* ================================
   MESSAGE AUCUN RÉSULTAT
   ================================ */
.arkavia-no-results {
    background: var(--arkavia-bg-alt);
    border: 2px dashed var(--arkavia-border);
    border-radius: var(--arkavia-radius-lg);
    padding: 64px 32px;
    text-align: center;
    margin: 40px 0;
}

.no-results-content {
    max-width: 400px;
    margin: 0 auto;
}

.no-results-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 16px;
    opacity: 0.5;
}

.arkavia-no-results h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--arkavia-text);
    margin: 0 0 8px 0;
}

.arkavia-no-results p {
    color: var(--arkavia-text-light);
    margin: 0;
}

/* ================================
   FOOTER
   ================================ */
.arkavia-glossaire-footer {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 2px solid var(--arkavia-border);
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin: 8px 0;
    color: var(--arkavia-text-light);
}

.footer-content a {
    color: var(--arkavia-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--arkavia-transition);
}

.footer-content a:hover {
    color: var(--arkavia-primary-dark);
    text-decoration: underline;
}

/* ================================
   RESPONSIVE
   ================================ */
@media (max-width: 768px) {
    #arkavia-glossaire-container {
        padding: 20px 16px;
    }
    
    .arkavia-glossaire-header {
        padding: 32px 24px;
    }
    
    .arkavia-glossaire-intro h1 {
        font-size: 1.875rem;
    }
    
    .arkavia-subtitle {
        font-size: 1rem;
    }
    
    .arkavia-filters {
        grid-template-columns: 1fr;
    }
    
    .arkavia-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .arkavia-notions-grid {
        grid-template-columns: 1fr;
    }
    
    .arkavia-categorie-titre {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .arkavia-glossaire-intro h1 {
        font-size: 1.5rem;
    }
    
    .arkavia-niveau-filters {
        flex-direction: column;
    }
    
    .arkavia-niveau-btn {
        width: 100%;
    }
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.arkavia-notion-card {
    animation: fadeIn 0.3s ease;
}

/* ================================
   ACCESSIBILITÉ
   ================================ */
.arkavia-search-input:focus,
.arkavia-categorie-select:focus,
.arkavia-niveau-btn:focus {
    outline: 2px solid var(--arkavia-primary);
    outline-offset: 2px;
}

/* Améliorer la visibilité du focus */
*:focus-visible {
    outline: 2px solid var(--arkavia-primary);
    outline-offset: 2px;
}

/* ================================
   PRINT STYLES
   ================================ */
@media print {
    .arkavia-glossaire-header,
    .arkavia-filters,
    .arkavia-stats {
        display: none;
    }
    
    .arkavia-notion-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
        page-break-inside: avoid;
    }
}