/* ===== INTERFACE PRINCIPALE AMÉLIORÉE ===== */

/* ===== WELCOME HEADER ===== */
.welcome-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-soft), var(--accent-soft));
    border-radius: var(--radius-lg);
    color: white;
}

.welcome-header h2 {
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.welcome-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

/* ===== DAILY CHALLENGE ===== */
.daily-challenge {
    background: var(--warning-soft);
    border: 2px solid #f0c674;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.daily-challenge h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.daily-challenge p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.challenge-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

.challenge-progress span {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.challenge-progress .progress-bar {
    width: 150px;
    height: 8px;
}

/* ===== MODULE CARDS AMÉLIORÉES ===== */
.module-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.module-badge {
    background: var(--success-soft);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 600;
    border: 2px solid var(--accent-soft);
}

.module-badge.locked {
    background: var(--bg-secondary);
    color: var(--text-light);
    border-color: var(--border-medium);
}

.module-stats {
    display: flex;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
    justify-content: center;
}

.stat {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== RECENT ACTIVITY ===== */
.recent-activity {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.recent-activity h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.activity-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.activity-text {
    flex: 1;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.activity-time {
    color: var(--text-light);
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* ===== MODULE HEADER SECTION ===== */
.module-header-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-light);
}

.back-btn {
    background: var(--bg-secondary);
    border: 2px solid var(--border-medium);
    color: var(--text-secondary);
}

.back-btn:hover {
    background: var(--primary-soft);
    color: white;
    border-color: var(--primary-soft);
}

/* ===== EXERCISE PLACEHOLDER ===== */
.exercise-placeholder {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-medium);
}

.exercise-placeholder p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* ===== QUIZ PROGRESS AMÉLIORÉ ===== */
.quiz-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.quiz-progress-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 150px;
}

.quiz-progress-bar {
    flex: 1;
    max-width: 300px;
    height: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border-light);
}

.quiz-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-soft), var(--accent-soft));
    transition: width 0.5s ease;
    border-radius: var(--radius-sm);
}

/* ===== ANIMATIONS SPÉCIALES ===== */
.module-container {
    animation: fadeIn 0.6s ease-out;
}

.module-container.hidden {
    display: none;
}

/* Hover effects pour les cartes interactives */
.module-card.interactive:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.module-card.interactive:hover .module-icon {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}

/* ===== RESPONSIVE INTERFACE ===== */
@media (max-width: 768px) {
    .welcome-header {
        padding: var(--spacing-md);
    }
    
    .welcome-header h2 {
        font-size: 1.5rem;
    }
    
    .module-stats {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: center;
    }
    
    .module-header-section {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: stretch;
    }
    
    .quiz-progress {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .quiz-progress-text {
        min-width: auto;
        text-align: center;
    }
    
    .challenge-progress {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .challenge-progress .progress-bar {
        width: 100%;
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .welcome-header h2 {
        font-size: 1.3rem;
    }
    
    .welcome-header p {
        font-size: 1rem;
    }
    
    .daily-challenge {
        padding: var(--spacing-sm);
    }
    
    .module-header {
        flex-direction: column;
        gap: var(--spacing-xs);
        align-items: center;
    }
    
    .activity-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .exercise-placeholder {
        padding: var(--spacing-lg);
    }
}