/* Style unifié pour les headers de toutes les pages */

/* Header principal avec gradient et coins arrondis */
.page-header, .dashboard-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 1.5rem;
    margin: 0 0 2rem 0;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

/* Animation de fond subtile */
.page-header::before, .dashboard-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 20s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30%, -30%); }
}

/* Container pour le contenu du header */
.page-header-content {
    position: relative;
    z-index: 1;
}

/* Titre principal */
.page-header h1, .dashboard-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white !important;
}

/* Icône du titre */
.page-header h1 i, .dashboard-header h1 i {
    font-size: 1.5rem;
    opacity: 0.9;
}

/* Sous-titre */
.page-header-subtitle, .dashboard-header .subtitle {
    font-size: 0.975rem;
    opacity: 0.9;
    margin: 0;
    color: rgba(255, 255, 255, 0.95) !important;
}

/* Container fluid pour dashboard */
.dashboard-header .container-fluid {
    position: relative;
    z-index: 1;
}

/* Stats dans le header (si présentes) */
.page-header-stats {
    display: flex;
    gap: 2rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.header-stat {
    text-align: center;
}

.header-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: block;
}

.header-stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

/* Adaptation pour les petits écrans */
@media (max-width: 768px) {
    .page-header, .dashboard-header {
        padding: 1.5rem 1rem;
        border-radius: 12px;
    }
    
    .page-header h1, .dashboard-header h1 {
        font-size: 1.5rem;
    }
    
    .page-header-subtitle, .dashboard-header .subtitle {
        font-size: 0.875rem;
    }
    
    .page-header-stats {
        gap: 1rem;
    }
    
    .header-stat-value {
        font-size: 1.25rem;
    }
}

/* Mode sombre (si nécessaire) */
@media (prefers-color-scheme: dark) {
    .page-header, .dashboard-header {
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }
}