/* ============================================
   STYLES CENTRALISÉS - FR/NL Site Pédagogique
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Lexend:wght@400;500;600;700&display=swap');

/* ============================================
   VARIABLES DE COULEURS (Palette pédagogique)
   ============================================ */
:root {
    /* Couleurs principales */
    --primary: #3B82F6;      /* Bleu clair */
    --primary-dark: #1E40AF; /* Bleu foncé */
    --secondary: #0D9488;    /* Vert sarcelle */
    --secondary-dark: #0F766E; /* Vert sarcelle foncé */
    --accent: #EF4444;       /* Rouge corail */
    --accent-dark: #DC2626;  /* Rouge corail foncé */
    
    /* Fond et texte */
    --bg-light: #F9FAFB;     /* Gris très clair */
    --bg-white: #FFFFFF;     /* Blanc pur */
    --bg-light-gray: #F3F4F6; /* Gris clair */
    --text-dark: #1F2937;    /* Gris anthracite */
    --text-medium: #6B7280;  /* Gris moyen */
    --text-light: #9CA3AF;   /* Gris clair */
    --border: #E5E7EB;       /* Bordure gris */
    --border-light: #D1D5DB; /* Bordure gris clair */
    
    /* Secondaires */
    --info: #DBEAFE;         /* Bleu très clair */
    --warning: #FACC15;      /* Jaune doux */
    --success: #4caf50;      /* Vert succès */
}

/* ============================================
   STYLES GLOBAUX
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', 'Lexend', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    min-height: 100vh;
    padding: 0;
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
}

/* Optimisation pour mobile */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    background: var(--primary);
    padding: 0 40px;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    flex-wrap: wrap;
}

.navbar h1 {
    color: white;
    font-size: 1.5em;
    margin: 0;
    font-weight: 700;
    white-space: nowrap;
}

.navbar-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.navbar-link {
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 600;
    cursor: pointer;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    font-size: 0.95em;
    white-space: nowrap;
}

.navbar-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.navbar-link.admin {
    background: var(--secondary);
    color: white;
}

.navbar-link.admin:hover {
    background: var(--secondary-dark);
}

.navbar-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.user-info {
    color: white;
    font-size: 0.9em;
    padding: 0 15px;
    font-weight: 500;
}

#userEmail {
    color: var(--warning);
    font-weight: 600;
}

/* ============================================
   DROPDOWN MENU
   ============================================ */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95em;
    transition: all 0.3s;
}

.dropdown-toggle:hover,
.dropdown-toggle:focus {
    background: rgba(255, 255, 255, 0.3);
}

.dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    top: 110%;
    background: white;
    min-width: 180px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    z-index: 1000;
    padding: 8px 0;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
    display: block;
}

.dropdown-item {
    color: var(--text-dark);
    padding: 10px 20px;
    text-decoration: none;
    display: block;
    font-weight: 600;
    border-radius: 6px;
    transition: background 0.2s;
}

.dropdown-item:hover {
    background: var(--bg-light-gray);
}

.dropdown-item.admin-item {
    color: var(--secondary);
    font-weight: 700;
}

.dropdown-item.admin-item:hover {
    background: #D1F9F3;
}

/* ============================================
   CONTAINERS & SECTIONS
   ============================================ */
.container {
    max-width: 1200px;
    margin: 40px auto;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    padding: 40px;
    width: 100%;
    max-width: calc(100% - 40px);
}

.section {
    margin-bottom: 50px;
    width: 100%;
}

/* ============================================
   HEADINGS
   ============================================ */
h1 {
    color: var(--primary);
    text-align: center;
    margin-bottom: 10px;
    font-size: 2.5em;
    font-weight: 700;
    word-wrap: break-word;
}

h2 {
    color: var(--primary);
    margin-bottom: 25px;
    font-size: 1.8em;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--info);
    word-wrap: break-word;
}
    font-weight: 700;
}

h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.3em;
    font-weight: 600;
}

.subtitle {
    text-align: center;
    color: var(--text-medium);
    margin-bottom: 40px;
    font-size: 1.1em;
    font-weight: 500;
}

/* ============================================
   CARDS & GRIDS
   ============================================ */
.fiches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
    margin-bottom: 30px;
}

.fiche-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: relative;
    font-size: 0.85em;
}

.fiche-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
}

.fiche-card h3 {
    color: var(--text-dark);
    font-size: 1em;
    margin-bottom: 10px;
    word-break: break-word;
    font-weight: 600;
}

.fiche-card p {
    color: var(--text-medium);
    font-size: 0.85em;
    margin: 8px 0;
}

.fiche-card .region {
    font-weight: 600;
    color: var(--text-dark);
}

.fiche-card .date {
    font-size: 0.8em;
    color: var(--text-light);
}

.fiche-image {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 8px 8px 0 0;
    margin: -25px -25px 15px -25px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
    font-style: italic;
    grid-column: 1 / -1;
}

/* ============================================
   BUTTONS
   ============================================ */
button, .btn, .admin-button {
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1em;
    font-family: inherit;
}

/* Bouton Primaire */
.btn-primary, .fiche-card button, .btn-search, .admin-button.create {
    background: var(--accent);
    color: white;
    padding: 10px 20px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}

.btn-primary:hover, .fiche-card button:hover, .btn-search:hover, .admin-button.create:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* Bouton Secondaire */
.btn-secondary, .btn-reset, .admin-button.add {
    background: var(--secondary);
    color: white;
    padding: 10px 20px;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.2);
}

.btn-secondary:hover, .btn-reset:hover, .admin-button.add:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

/* Bouton Cancel */
.btn-cancel, .modal-btn-cancel {
    background: var(--border);
    color: var(--text-dark);
}

.btn-cancel:hover, .modal-btn-cancel:hover {
    background: var(--border-light);
}

.btn-delete {
    background: var(--accent);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8em;
    position: absolute;
    top: 10px;
    right: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-delete:hover {
    background: var(--accent-dark);
}

.fiche-card:hover .btn-delete {
    opacity: 1;
}

/* ============================================
   SEARCH & FILTERS
   ============================================ */
.search-section {
    background: var(--bg-light-gray);
    border-radius: 12px;
    padding: 30px;
    margin-top: 30px;
    border: 1px solid var(--border);
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95em;
}

.filter-group input,
.filter-group select {
    padding: 12px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1em;
    transition: border-color 0.3s ease;
    background: var(--bg-white);
    color: var(--text-dark);
}

.filter-group input:focus,
.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.search-results h3 {
    color: var(--primary);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.2em;
    font-weight: 600;
}

/* ============================================
   FORMS & INPUTS
   ============================================ */
input[type="text"],
input[type="date"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1em;
    transition: border-color 0.3s ease;
    background: var(--bg-white);
    color: var(--text-dark);
}

input[type="text"]:focus,
input[type="date"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input[type="checkbox"] {
    accent-color: var(--primary);
    margin-right: 5px;
}

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

.modal-content {
    background-color: var(--bg-white);
    margin: 10% auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.modal h2 {
    color: var(--primary);
    margin-bottom: 20px;
    font-weight: 700;
}

.modal-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.modal-btn-add {
    background: var(--accent);
    color: white;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}

.modal-btn-add:hover {
    background: var(--accent-dark);
}

/* ============================================
   ADMIN INTERFACE
   ============================================ */
.admin-section {
    margin-bottom: 40px;
}

.admin-section h3 {
    color: var(--primary);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--info);
    font-size: 1.3em;
    font-weight: 600;
}

.button-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.admin-button {
    padding: 30px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: white;
}

.admin-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.admin-button.create {
    background: var(--accent);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}

.admin-button.create:hover {
    background: var(--accent-dark);
}

.admin-button.add {
    background: var(--secondary);
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.2);
}

.admin-button.add:hover {
    background: var(--secondary-dark);
}

.admin-button-emoji {
    font-size: 2em;
}

.admin-button-text {
    font-size: 1.1em;
    line-height: 1.4;
}

.login-prompt {
    text-align: center;
    padding: 60px 20px;
    background: var(--info);
    border-radius: 12px;
    border: 2px solid var(--primary);
}

.login-prompt h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.5em;
    font-weight: 700;
}

.login-prompt a {
    display: inline-block;
    padding: 15px 30px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 15px;
}

.login-prompt a:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

/* ============================================
   INFO & ALERT BOXES
   ============================================ */
.info-box {
    background: var(--info);
    border-left: 4px solid var(--primary);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    color: #1E40AF;
}

.success-box {
    background: #ecfdf5;
    border-left: 4px solid var(--success);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    color: #065f46;
}

.error-box {
    background: #fef2f2;
    border-left: 4px solid var(--accent);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    color: #7f1d1d;
}

.warning-box {
    background: #fffbeb;
    border-left: 4px solid var(--warning);
    padding: 15px;
    border-radius: 8px;
    margin: 20px 0;
    color: #78350f;
}

/* ============================================
   MISCELLANEOUS
   ============================================ */
.back-button {
    display: inline-block;
    margin-bottom: 20px;
    padding: 10px 20px;
    background: var(--secondary);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-button:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 20px;
        margin: 20px 10px;
    }

    h1 {
        font-size: 2em;
    }

    h2 {
        font-size: 1.5em;
    }

    .button-group {
        grid-template-columns: 1fr;
    }

    .search-buttons {
        grid-template-columns: 1fr;
    }

    .navbar-content {
        flex-wrap: wrap;
    }

    .navbar-buttons {
        width: 100%;
        margin-top: 10px;
    }

    .fiches-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0 20px;
    }

    .container {
        padding: 15px;
        margin: 15px 5px;
    }

    h1 {
        font-size: 1.5em;
    }

    .navbar-link {
        padding: 8px 12px;
        font-size: 0.85em;
    }
}

/* ============================================
   STYLES SPÉCIFIQUES AUX FICHES GÉNÉRÉES
   ============================================ */

/* Pages de contenu (Emmen_2026-01-07.html, etc.) */
.fiche-container {
    max-width: 1000px;
    margin: 40px auto;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    padding: 40px;
}

.fiche-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--info);
}

.fiche-title {
    color: var(--primary);
    font-size: 2em;
    font-weight: 700;
    margin-bottom: 10px;
}

.fiche-meta {
    color: var(--text-medium);
    font-size: 1.1em;
    font-weight: 500;
}

.fiche-article {
    color: var(--text-dark);
    line-height: 1.8;
    margin: 30px 0;
    padding: 20px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    font-size: 1.05em;
}

.fiche-section {
    margin: 40px 0;
}

.fiche-section h2 {
    color: var(--primary);
    margin-top: 40px;
    margin-bottom: 20px;
    border-bottom: 3px solid var(--info);
    padding-bottom: 10px;
    font-size: 1.6em;
}

.fiche-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    font-size: 15px;
    background-color: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: hidden;
}

.fiche-table th {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 700;
}

.fiche-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
}

.fiche-table tr:hover {
    background-color: var(--bg-light);
}

.fiche-table tbody tr:last-child td {
    border-bottom: none;
}

/* Bouton de prononciation */
.speak-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2em;
    padding: 0;
    color: var(--primary);
    transition: transform 0.2s ease;
    margin-right: 8px;
}

.speak-btn:hover {
    transform: scale(1.2);
}

/* Sections Phase 1 et Phase 2 */
#phase1, #phase2 {
    animation: fadeIn 0.3s ease;
}

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

.hidden {
    display: none !important;
}

/* Quiz Zone */
#quizZone {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 8px;
    border: 2px solid var(--primary);
    margin-top: 20px;
}

#quizZone p {
    margin-bottom: 15px;
    font-size: 1.05em;
    color: var(--text-dark);
}

#quizZone input {
    width: 100%;
    padding: 10px;
    margin: 15px 0;
    border: 2px solid var(--border-light);
    border-radius: 6px;
    font-size: 1em;
    font-family: inherit;
    color: var(--text-dark);
}

#quizZone input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Progress Bar */
.progress-container {
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%;
    height: 10px;
    background: var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    font-weight: 600;
    color: var(--text-medium);
    font-size: 0.9em;
}

/* Encouragement Messages */
.encouragement {
    text-align: center;
    margin: 15px 0;
    font-size: 1.15em;
    font-weight: 700;
    color: var(--accent);
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Answer Display */
.answer-display {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 2px solid var(--success);
    border-radius: 8px;
    padding: 15px;
    margin: 15px 0;
    font-size: 1.05em;
    font-weight: 700;
    color: #065f46;
}

.answer-display strong {
    color: #047857;
}

/* Completion Message */
.completion-message {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--info) 0%, #cffafe 100%);
    border-radius: 10px;
    border: 2px solid var(--primary);
}

.completion-message p {
    font-size: 1.2em;
    margin: 10px 0;
    color: var(--text-dark);
    font-weight: 500;
}

.completion-message p strong {
    color: var(--primary);
    font-weight: 700;
}

/* Fiche Image */
.fiche-image-large {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* ============================================
   STYLES QUIZ & RÉVISION
   ============================================ */

.mode-selector {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 30px;
}

.mode-btn {
    padding: 12px 24px;
    border: 2px solid var(--border);
    background: var(--bg-white);
    color: var(--text-dark);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1em;
}

.mode-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

.quiz-section {
    margin: 30px 0;
}

.card-vocabulary {
    background: var(--bg-white);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.card-vocabulary:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
}

.word-label {
    color: var(--text-medium);
    font-size: 0.9em;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.word-display {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin: 20px 0;
    word-break: break-word;
}

.pluriel {
    text-align: center;
    color: var(--text-medium);
    font-size: 1.1em;
    font-style: italic;
    margin-bottom: 10px;
}

.controls {
    display: grid;
    gap: 15px;
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95em;
}

.controls input {
    padding: 12px;
    border: 2px solid var(--border-light);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1em;
    transition: all 0.3s ease;
    background: var(--bg-white);
    color: var(--text-dark);
}

.controls input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.btn-validate {
    background: var(--secondary);
    color: white;
    padding: 12px 24px;
    box-shadow: 0 2px 8px rgba(13, 148, 136, 0.2);
}

.btn-validate:hover {
    background: var(--secondary-dark);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.btn-next {
    background: var(--accent);
    color: white;
    padding: 12px 24px;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.2);
}

.btn-next:hover {
    background: var(--accent-dark);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.result {
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.result:not(:empty) {
    display: block;
}

.result.correct {
    background: #ecfdf5;
    color: #065f46;
    border: 2px solid var(--success);
}

.result.incorrect {
    background: #fef2f2;
    color: #7f1d1d;
    border: 2px solid var(--accent);
}

.result-text {
    font-size: 1.1em;
    margin-top: 8px;
    font-weight: 700;
}

.hint {
    padding: 12px;
    background: #fffbeb;
    border: 2px solid var(--warning);
    border-radius: 8px;
    color: #78350f;
    text-align: center;
    font-size: 0.95em;
    font-weight: 500;
}

/* ============================================
   AIDE-MÉMOIRE & BOXES
   ============================================ */

.aide-memoire {
    background: var(--info);
    border-left: 4px solid var(--primary);
    padding: 14px 18px;
    border-radius: 8px;
    margin: 18px auto 30px auto;
    color: #1E40AF;
    font-size: 1.15em;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
    max-width: 900px;
}

/* ============================================
   TABLES POUR QUIZ
   ============================================ */

.quiz-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: var(--bg-white);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border-radius: 8px;
    overflow: hidden;
}

.quiz-table th {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.quiz-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.quiz-table tr:hover {
    background-color: var(--bg-light);
}

.quiz-table tbody tr:last-child td {
    border-bottom: none;
}

/* Clock Widget */
.clock-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px 0;
}

.clock-container {
    width: 250px;
    height: 250px;
    max-width: 100%;
}

.clock-container svg {
    width: 100%;
    height: 100%;
}

.time-indicator {
    font-size: 2em;
    margin-bottom: 10px;
    text-align: center;
}

/* ============================================
   RESPONSIVE DESIGN - TABLETTES & ÉCRANS MOYENS
   ============================================ */

/* Tablettes : 768px - 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
    body {
        font-size: 15px;
    }

    .navbar {
        padding: 0 20px;
    }

    .navbar-content {
        height: 60px;
    }

    .navbar h1 {
        font-size: 1.3em;
    }

    .container {
        padding: 25px;
        max-width: 100%;
    }

    h1 {
        font-size: 2.2em;
    }

    h2 {
        font-size: 1.5em;
    }

    .fiche-container {
        padding: 30px;
        margin: 30px auto;
    }

    .fiche-title {
        font-size: 1.8em;
    }

    .word-display {
        font-size: 2em;
    }

    .buttons {
        grid-template-columns: 1fr 1fr;
    }

    .fiches-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 15px;
    }

    .card-vocabulary {
        padding: 20px;
    }

    .clock-container {
        width: 200px;
        height: 200px;
    }

    .quiz-table {
        font-size: 14px;
    }

    .quiz-table th,
    .quiz-table td {
        padding: 10px;
    }
}

/* ============================================
   RESPONSIVE DESIGN - TÉLÉPHONES MOYENS
   ============================================ */

/* Téléphones : 480px - 768px */
@media (min-width: 481px) and (max-width: 768px) {
    body {
        font-size: 15px;
    }

    .navbar {
        padding: 0 15px;
    }

    .navbar-content {
        height: 60px;
    }

    .navbar h1 {
        font-size: 1.2em;
    }

    .navbar-buttons {
        width: 100%;
        margin-top: 10px;
        flex-wrap: wrap;
    }

    .navbar-link {
        padding: 8px 12px;
        font-size: 0.85em;
        margin: 5px 2px;
    }

    .container {
        padding: 20px;
        margin: 15px 10px;
    }

    h1 {
        font-size: 1.8em;
    }

    h2 {
        font-size: 1.3em;
    }

    h3 {
        font-size: 1.1em;
    }

    .button-group {
        grid-template-columns: 1fr;
    }

    .search-buttons {
        grid-template-columns: 1fr;
    }

    .fiches-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }

    .fiche-container {
        padding: 20px;
        margin: 20px auto;
        border-radius: 8px;
    }

    .fiche-title {
        font-size: 1.5em;
    }

    .fiche-meta {
        font-size: 0.95em;
    }

    .fiche-section h2 {
        font-size: 1.3em;
    }

    .card-vocabulary {
        padding: 15px;
        margin-bottom: 15px;
    }

    .word-display {
        font-size: 1.8em;
    }

    .buttons {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .btn-validate,
    .btn-next {
        padding: 10px 20px;
        font-size: 0.95em;
    }

    .controls {
        gap: 12px;
    }

    .controls input {
        padding: 10px;
        font-size: 1em;
    }

    .fiche-image-large {
        max-height: 300px;
    }

    .clock-container {
        width: 180px;
        height: 180px;
    }

    .quiz-table {
        font-size: 13px;
    }

    .quiz-table th,
    .quiz-table td {
        padding: 8px;
    }

    .fiche-table {
        font-size: 13px;
    }

    .fiche-table th,
    .fiche-table td {
        padding: 8px;
    }
}

/* ============================================
   RESPONSIVE DESIGN - PETITS TÉLÉPHONES
   ============================================ */

/* Très petit écran : < 480px */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    body {
        font-size: 14px;
    }

    .navbar {
        padding: 0 12px;
    }

    .navbar-content {
        height: 50px;
        flex-direction: column;
        justify-content: center;
    }

    .navbar h1 {
        font-size: 1.1em;
        margin-bottom: 5px;
    }

    .navbar-buttons {
        width: 100%;
        margin-top: 8px;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: space-around;
    }

    .navbar-link {
        padding: 6px 10px;
        font-size: 0.8em;
        border-radius: 6px;
        margin: 3px;
    }

    .back-btn {
        top: 60px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1.5em;
    }

    .container {
        padding: 12px;
        margin: 10px 5px;
    }

    h1 {
        font-size: 1.4em;
        margin: 15px 0 10px 0;
    }

    h2 {
        font-size: 1.1em;
    }

    h3 {
        font-size: 0.95em;
    }

    .button-group {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .search-buttons {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .fiches-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 8px;
    }

    .fiche-container {
        padding: 15px;
        margin: 15px 5px;
        border-radius: 8px;
    }

    .fiche-title {
        font-size: 1.3em;
        margin-bottom: 8px;
    }

    .fiche-meta {
        font-size: 0.85em;
    }

    .fiche-article {
        padding: 12px;
        font-size: 0.95em;
        margin: 15px 0;
        line-height: 1.6;
    }

    .fiche-section {
        margin: 20px 0;
    }

    .fiche-section h2 {
        font-size: 1.1em;
        margin-top: 20px;
        margin-bottom: 15px;
    }

    .card-vocabulary {
        padding: 12px;
        margin-bottom: 12px;
        border-radius: 8px;
    }

    .word-label {
        font-size: 0.85em;
    }

    .word-display {
        font-size: 1.5em;
        margin: 15px 0;
    }

    .pluriel {
        font-size: 1em;
    }

    .controls {
        gap: 10px;
    }

    .control-group label {
        font-size: 0.9em;
    }

    .controls input {
        padding: 10px;
        font-size: 1em;
        border-radius: 6px;
    }

    .buttons {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .btn-validate,
    .btn-next,
    .btn {
        padding: 10px 15px;
        font-size: 0.9em;
        border-radius: 6px;
        width: 100%;
    }

    .result {
        padding: 10px;
        font-size: 0.95em;
    }

    .result-text {
        font-size: 1em;
    }

    .hint {
        font-size: 0.9em;
        padding: 10px;
    }

    .aide-memoire {
        font-size: 1em;
        padding: 12px 15px;
        margin: 15px auto 20px auto;
    }

    .fiche-image-large {
        max-height: 250px;
        margin: 15px 0;
    }

    .clock-wrapper {
        margin: 20px 0;
    }

    .clock-container {
        width: 150px;
        height: 150px;
    }

    .time-indicator {
        font-size: 1.5em;
    }

    .quiz-table {
        margin: 15px 0;
        font-size: 12px;
    }

    .quiz-table th,
    .quiz-table td {
        padding: 6px;
    }

    .fiche-table {
        font-size: 12px;
    }

    .fiche-table th,
    .fiche-table td {
        padding: 6px;
    }

    .mode-selector {
        gap: 5px;
        margin-bottom: 20px;
    }

    .mode-btn {
        padding: 8px 12px;
        font-size: 0.85em;
        border-radius: 6px;
    }

    /* Amélioration des inputs sur mobile */
    input[type="text"],
    input[type="number"],
    select,
    textarea {
        font-size: 16px !important;
        padding: 12px;
        border-radius: 6px;
        margin-bottom: 8px;
    }

    /* Éviter le zoom sur input sur iOS */
    input,
    select,
    textarea {
        font-size: 16px;
    }

    /* Améliorations pour les éléments tactiles */
    button,
    .btn,
    .navbar-link {
        min-height: 44px;
        min-width: 44px;
    }

    /* Texte sélectionnable pour tablettes */
    p, span, div {
        -webkit-user-select: text;
        user-select: text;
    }
}

/* ============================================
   RESPONSIVE DESIGN - ÉCRANS ULTRA-LARGES
   ============================================ */

/* Grands écrans : > 1440px */
@media (min-width: 1441px) {
    .container {
        max-width: 1400px;
        padding: 40px;
    }

    .fiche-container {
        max-width: 1100px;
    }

    h1 {
        font-size: 2.8em;
    }

    h2 {
        font-size: 1.8em;
    }

    .button-group {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .fiches-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
}

/* ============================================
   OPTIMISATIONS SUPPLÉMENTAIRES
   ============================================ */

/* Éviter le zoom lors du focus sur input iOS */
@supports (-webkit-touch-callout: none) {
    input,
    select,
    textarea {
        font-size: 16px;
    }
}

/* Amélioration de la lisibilité sur écrans petits */
@media (max-width: 600px) {
    /* Amélioration des liens et boutons tactiles */
    a, button, .btn, .navbar-link {
        -webkit-tap-highlight-color: rgba(59, 130, 246, 0.2);
    }

    /* Réduction de la hauteur des cartes sur petit écran */
    .card-vocabulary {
        min-height: auto;
    }

    /* Adaptation des images */
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
}