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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 10px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 20px 15px;
    text-align: center;
}

.header h1 {
    font-size: 1.8em;
    margin-bottom: 8px;
}

.header p {
    font-size: 0.95em;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
}

.recap-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 3px 10px;
    border-radius: 15px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.recap-link:hover {
    transform: scale(1.1);
    background-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background: rgba(255,255,255,0.3);
    height: 8px;
    border-radius: 4px;
    margin-top: 15px;
    overflow: hidden;
}

.progress-fill {
    background: white;
    height: 100%;
    width: 0%;
    transition: width 0.5s ease;
}

.content {
    padding: 15px;
}

.exercise {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    border-left: 4px solid #667eea;
    display: none;
}

.exercise.active {
    display: block;
    animation: slideIn 0.6s ease;
}

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

.exercise-title {
    font-size: 1.3em;
    color: #667eea;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.question {
    background: white;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.question p {
    font-size: 1em;
    margin-bottom: 12px;
    color: #333;
    line-height: 1.5;
}

input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 0.95em;
    transition: border 0.3s;
}

input[type="text"]:focus {
    outline: none;
    border-color: #667eea;
}

.quiz-option {
    background: white;
    padding: 12px;
    margin: 8px 0;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid #e0e0e0;
    transition: all 0.3s;
    font-size: 0.95em;
}

.quiz-option:hover {
    border-color: #667eea;
    transform: translateX(3px);
}

.quiz-option.selected {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.btn-container {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
    flex-wrap: wrap;
}

button {
    padding: 12px 25px;
    font-size: 1em;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
    flex: 1;
    min-width: 140px;
}

.btn-check {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-check:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-next {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.btn-next:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(245, 87, 108, 0.4);
}

/* Styles pour le bouton Voir les réponses dans la barre de titre */
.exercise-title {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 10px;
}

.exercise-title > span:first-of-type {
    /* Style pour l'icône (premier span) */
    flex: 0 0 auto;
}

.exercise-title > span:nth-of-type(2) {
    /* Style pour le texte du titre (deuxième span) */
    flex: 1;
    text-align: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.exercise-title .btn-answers {
    flex: 0 0 auto;
    margin-left: auto;
}

.btn-answers {
    background: linear-gradient(135deg, #3a7bd5 0%, #00d1b2 100%);
    color: white;
    padding: 6px 15px;
    font-size: 0.8em;
}

.btn-answers:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(79, 172, 254, 0.3);
}

/* Ajustement pour les écrans moyens */
@media (min-width: 601px) and (max-width: 900px) {
    .btn-answers {
        padding: 5px 8px;
        min-width: 40px;
    }
    .btn-answers span {
        display: none;
    }
}

/* Ajustement pour les petits écrans */
@media (max-width: 600px) {
    .btn-answers {
        padding: 4px 6px;
        min-width: 30px;
        font-size: 0.7em;
    }
    .btn-answers span {
        display: none;
    }
}

/* Conteneur des réponses */
.answers-container {
    background: #f0f7ff;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 20px;
    border-left: 4px solid #4facfe;
}

.answers-container h3 {
    color: #2c5282;
    margin-bottom: 12px;
    font-size: 1.2em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.answers-container h3::before {
    content: '📋';
    font-size: 1.1em;
}

.answer-item {
    background: white;
    padding: 12px;
    margin-bottom: 8px;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    font-size: 0.95em;
}

.answer-item strong {
    color: #2c5282;
    margin-right: 5px;
}

.btn-prev {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    margin-right: 10px;
}
.btn-prev:hover {
    background-color: #5a6268;
}

.feedback {
    margin-top: 12px;
    padding: 12px;
    border-radius: 6px;
    display: none;
    animation: fadeIn 0.6s;
    font-size: 0.9em;
    line-height: 1.6;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.feedback.correct {
    background: #d4edda;
    color: #155724;
    border: 2px solid #c3e6cb;
}

.feedback.incorrect {
    background: #f8d7da;
    color: #721c24;
    border: 2px solid #f5c6cb;
}

.score-display {
    text-align: center;
    font-size: 1.2em;
    color: #667eea;
    margin: 15px 0;
    font-weight: bold;
}

.grammar-tip {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-left: 4px solid #f39c12;
}

.grammar-tip h3 {
    color: #d63031;
    margin-bottom: 12px;
    font-size: 1.1em;
}

.grammar-item {
    background: white;
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 0.9em;
}

.grammar-item strong {
    color: #667eea;
}

.grammar-item em {
    display: block;
    margin-top: 4px;
    font-size: 0.85em;
}

.grammar-rule {
    margin-top: 10px;
    color: #2d3436;
    font-weight: bold;
    font-size: 0.85em;
    line-height: 1.5;
}

.final-screen {
    text-align: center;
    padding: 20px;
    display: none;
}

.final-screen.active {
    display: block;
}

.final-score {
    font-size: 3em;
    color: #667eea;
    margin: 15px 0;
}

.emoji {
    font-size: 2.5em;
    margin: 15px 0;
}

/* Ajoutez ceci à la fin du fichier */
.btn-new {
    background-color: #17a2b8;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.btn-new:hover {
    background-color: #138496;
}

/* Style pour le conteneur des boutons de l'écran final */
.final-screen .btn-container {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

/* Media queries pour mobiles */
@media (max-width: 768px) {
    body {
        padding: 5px;
    }
    
    .container {
        border-radius: 12px;
    }
    
    .header h1 {
        font-size: 1.5em;
    }
    
    .header p {
        font-size: 0.85em;
    }
    
    .content {
        padding: 10px;
    }
    
    .exercise {
        padding: 12px;
        border-radius: 10px;
    }
    
    .exercise-title {
        font-size: 1.1em;
    }
    
    .question {
        padding: 12px;
    }
    
    .question p {
        font-size: 0.95em;
    }
    
    input[type="text"] {
        padding: 10px;
        font-size: 16px; /* Empêche le zoom sur iOS */
        -webkit-text-size-adjust: 100%;
    }
    
    button {
        padding: 12px 20px;
        font-size: 0.95em;
        min-width: 120px;
    }
    
    .btn-container {
        gap: 8px;
    }
    
    .grammar-tip {
        padding: 12px;
    }
    
    .grammar-tip h3 {
        font-size: 1em;
    }
    
    .grammar-item {
        padding: 8px;
        font-size: 0.85em;
    }
    
    .grammar-rule {
        font-size: 0.8em;
    }
    
    .score-display {
        font-size: 1.1em;
    }
    
    .final-score {
        font-size: 2.5em;
    }
    
    .emoji {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.3em;
    }
    
    .exercise-title {
        font-size: 1em;
    }
    
    button {
        flex: 1 1 100%;
        min-width: auto;
    }
}

.unanswered {
    border-left: 3px solid orange;
    padding-left: 10px;
    background: rgba(255,165,0,0.05);
    transition: background 0.3s ease;
}