.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--gray-50);
    position: relative;
    margin-left: var(--sidebar-width);
    transition: var(--transition);
}

.main-header {
    height: var(--header-height);
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    box-shadow: var(--shadow-sm);
    z-index: 50;
}

.header-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.header-title i {
    color: var(--primary);
    font-size: 1.25rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    background: var(--gray-100);
    border: none;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition);
}

.action-btn:hover {
    background: var(--primary-bg);
    color: var(--primary);
    transform: translateY(-1px);
}

.main-body {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}