/* Variables CSS pour la barre de progression */
:root {
    --couleur-progression: #667eea;
    --couleur-progression-fond: #e2e8f0;
    --couleur-progression-complete: #48bb78;
    --couleur-texte-progression: #2d3748;
    --couleur-texte-secondaire: #718096;
    --ombre-progression: 0 4px 12px rgba(102, 126, 234, 0.15);
    --transition-progression: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    --rayon-bordure: 12px;
}

/* Conteneur principal de la barre de progression */
.conteneur-barre-progression {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--rayon-bordure);
    padding: 25px;
    margin: 25px 0;
    box-shadow: var(--ombre-progression);
    transition: var(--transition-progression);
    position: relative;
    overflow: hidden;
}

.conteneur-barre-progression::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--couleur-progression), transparent);
    animation: brillance 3s infinite;
}

.conteneur-barre-progression:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

/* En-tête de la progression */
.en-tete-progression {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.titre-progression {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--couleur-texte-progression);
    margin: 0;
}

.titre-progression i {
    color: var(--couleur-progression);
    margin-right: 10px;
    font-size: 1.2rem;
}

.pourcentage-progression {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--couleur-progression);
    display: flex;
    align-items: center;
    gap: 5px;
}

.pourcentage-progression.complete {
    color: var(--couleur-progression-complete);
}

.pourcentage-progression i {
    font-size: 1rem;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition-progression);
}

.pourcentage-progression.complete i {
    opacity: 1;
    transform: scale(1);
}

/* Barre de progression principale */
.barre-progression {
    width: 100%;
    height: 12px;
    background: var(--couleur-progression-fond);
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.remplissage-progression {
    height: 100%;
    background: linear-gradient(90deg, var(--couleur-progression) 0%, #764ba2 100%);
    border-radius: 6px;
    transition: var(--transition-progression);
    position: relative;
    overflow: hidden;
    min-width: 0;
}

.remplissage-progression.complete {
    background: linear-gradient(90deg, var(--couleur-progression-complete) 0%, #38a169 100%);
}

.remplissage-progression::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: glissement 2s infinite;
}

/* Détails de progression */
.details-progression {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--couleur-texte-secondaire);
}

.lecons-completees {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lecons-completees i {
    color: var(--couleur-progression);
}

.temps-estime {
    display: flex;
    align-items: center;
    gap: 6px;
}

.temps-estime i {
    color: var(--couleur-texte-secondaire);
}

/* Badge de statut */
.badge-statut {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-statut.en-cours {
    background: rgba(102, 126, 234, 0.1);
    color: var(--couleur-progression);
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.badge-statut.termine {
    background: rgba(72, 187, 120, 0.1);
    color: var(--couleur-progression-complete);
    border: 1px solid rgba(72, 187, 120, 0.2);
}

.badge-statut.non-commence {
    background: rgba(160, 174, 192, 0.1);
    color: var(--couleur-texte-secondaire);
    border: 1px solid rgba(160, 174, 192, 0.2);
}

/* Animations */
@keyframes brillance {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes glissement {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes pulsation {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.remplissage-progression.anime {
    animation: pulsation 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .conteneur-barre-progression {
        padding: 20px;
        margin: 20px 0;
    }
    
    .en-tete-progression {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .pourcentage-progression {
        font-size: 1.2rem;
    }
    
    .details-progression {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .titre-progression {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .conteneur-barre-progression {
        padding: 15px;
    }
    
    .barre-progression {
        height: 10px;
    }
    
    .details-progression {
        font-size: 0.8rem;
    }
    
    .badge-statut {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
}

/* Animation d'entrée */
.conteneur-barre-progression {
    opacity: 0;
    transform: translateY(20px);
    animation: apparition 0.6s ease-out forwards;
}

@keyframes apparition {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Effet de survol sur les détails */
.lecons-completees:hover,
.temps-estime:hover {
    color: var(--couleur-progression);
    transition: color 0.3s ease;
}

/* Indicateur de progression circulaire (optionnel) */
.indicateur-circulaire {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: conic-gradient(var(--couleur-progression) 0deg, var(--couleur-progression-fond) 0deg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--couleur-texte-progression);
    position: relative;
}

.indicateur-circulaire::before {
    content: '';
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    z-index: 1;
}

.indicateur-circulaire span {
    position: relative;
    z-index: 2;
}