:root {
    color-scheme: light only;
}

/* Header styles */
.header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.header-brand {
    flex-shrink: 0;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.brand-link:hover {
    color: var(--primary-hover);
    text-decoration: none;
}

.brand-link .icon {
    font-size: var(--font-size-xl);
}

.header-nav {
    display: none;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
    text-decoration: none;
}

.nav-link.active {
    color: var(--primary-color);
    background-color: rgba(0, 123, 255, 0.1);
}

.header-user {
    flex-shrink: 0;
}

.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease;
}

.user-menu-toggle:hover {
    background-color: var(--bg-secondary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
}

.user-avatar.large {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-base);
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.user-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-sm);
    min-width: 280px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1001;
}

.user-menu-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.user-info h4 {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.user-info p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.user-menu-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: var(--spacing-sm) 0;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color 0.2s ease;
    font-weight: 500;
}

.user-menu-item:hover {
    background-color: var(--bg-secondary);
    text-decoration: none;
}

.user-menu-item.logout {
    color: var(--error-color);
}

.user-menu-item.logout:hover {
    background-color: rgba(220, 53, 69, 0.1);
}

.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.mobile-menu-toggle:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 280px;
    height: 100%;
    background-color: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-nav.active .mobile-nav-content {
    transform: translateX(0);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
    font-weight: 500;
}

.mobile-nav-link:hover {
    background-color: var(--bg-secondary);
    text-decoration: none;
}

.mobile-nav-link.logout {
    color: var(--error-color);
}

.mobile-nav-link.logout:hover {
    background-color: rgba(220, 53, 69, 0.1);
}

/* Responsive */
@media (min-width: 768px) {
    .header-container {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .header-nav {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: none;
    }
}

@media (max-width: 767px) {
    .user-name {
        display: none;
    }
    
    .nav-link span {
        display: none;
    }
}

/* Animation pour le menu mobile */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(100%);
    }
}